If not, go to this article about the noises related to BMW X5 noise wheels.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'mynoisycar_com-medrectangle-4','ezslot_2',107,'0','0'])};__ez_fad_position('div-gpt-ad-mynoisycar_com-medrectangle-4-0'); Finally, if you experience a noise when accelerating with your BMW X5 and this noise which could be a cliking sound tends to stop when you disengage (press the clutch pedal), then one of the wear parts of your clutch system may be the reason. Your email address will not be published. If it causes this acceleration noise on BMW X5, go to your mechanic.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[320,50],'mynoisycar_com-medrectangle-3','ezslot_10',106,'0','0'])};__ez_fad_position('div-gpt-ad-mynoisycar_com-medrectangle-3-0'); If you have a power loss that occurs with the rattling noise when you accelerate with your BMW X5, it is possible that your turbo is declining and some of its components are at the end of their life. risky, or just leave the rubber any suggestions or part numbers anyone? Whine in Park, Neutral, Drive, and Reverse fluctuates with RPM and dissipates with engine and road noise. After checking the CCV, valve cover and crankcase breather hose, the next best thing is to use a smoke machine to try and locate a vacuum leak. Last month the ECU threw a code for rich running condition. After doing this, start the car and take a short test drive to see if the problem goes away. Popping noise at crawl speed with wheel at full turn or slight turn with suspension travel. Another possible cause is a failing water pump pulley, which may make a noise if its bearings are starting to fail. Piston Slap #3. Replacement cost and difficulty varies depending on the model BMW that you have. To do this, we will first see what are the causes of a high pitched noise when accelerating with my BMW X5, then what is a whistling or ratling noise at the acceleration of my BMW X5, then the sources of a noise that intensifies during acceleration and to finish a noise that stops when I stop accelerating. Call us now (855) 547-1550. This makes for a significantly more costly replacement, as you have to purchase a new valve cover along with a valve cover gasket just to replace a CCV valve. Piston slap is another internal engine issue that can cause a rattling sound or knocking noise from your cars engine bay. When the CCV valve fails, it can cause a vacuum inside of the engine which creates the whistling noise. This will help them better diagnose the issue and know where to look. Surprisingly, many rattling complaints end up being a loose item that someone forgot about in their trunk. Other problems include a bad powersteering pump. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'abetterbmw_com-large-billboard-2','ezslot_10',104,'0','0'])};__ez_fad_position('div-gpt-ad-abetterbmw_com-large-billboard-2-0');report this adThis site is owned and operated by Metellus Productions. Fault Code Lookup Most cars have heat shields that surround various pieces of your exhaust system. If the sound comes from beneath your vehicle, it is probably the transmission. If you have a power loss that accompanies the rattling noise when you accelerate with your BMW X3, it is conceivable that your turbo is failing and some of its elements are at the end of their life. Now I notice it all the time, but after about 25 mph the wind noise covers it up. If you notice what sounds like a metal rattling or slapping noise coming from the front or side of your engine, your timing chain or timing belt may be to blame. Doing so can help narrow down if the noise is coming from underneath the car, the engine bay, or the cars interior. Check it and change it if it is the cause, otherwise you risk clogging your engine in the long run. There are other reasons this can occur Related articles What Causes a Car to Overheat? This may cause the noise you are hearing during acceleration. . Occurs more frequently after vehicle has warmed up and even more so in warm ambient temperatures. 2012 BMW X5 35i Sport Activity AW/Black 2015 435i xDrive Sport MG/CR On Order: 2017 X4 M40i CB/SB. Oil is mixing in to the coolant, likely through a blown head gasket that is allowing oil to leak out and get into the cooling system. Belt noise can also come when one of the pulleys the belt is riding on starts to fail. Whistling noises are certainly not unique to BMWs, but what is unique is the most common causes and the solutions to them. Parts Catalog You may also notice that the rattling noise worsens when the car stops moving. Full . Rattling from under your car- This can be caused by loose parts such as your exhaust system. A rattling noise coming from your car can be a sign of serious issues that can cause costly damages. Over time, these heat shields can become loose, damaged, or rusted due to various road hazards. 2005 bmw x5 3.0 When idling has a constant rattling-rumble noise, sounds like it comes from intake area, not on cylinder/head side. If you have a power loss that occurs with the rattling noise when you accelerate with your BMW X5, it is possible that your turbo is declining and some of its components are at the end of their life. Another most likely cause is abad wheel bearing. BMW X5 F15 Rattling noise 1,921 views May 18, 2018 2 Dislike Share Save MiLo 62 subscribers My X5 emits this noise when I accelerate hard and the panorama roof is opened. In fact, if this loud noise does not occur when you iddle, it is necessarily linked to your transmission, and, in general, to your wheels. But starting with the F30 generation BMW began installing the CCV directly into the valve cover. Diagnosis is relatively simple and repair is usually within the scope of a DIYer.These are the most common causes of a BMW whistling noise, but lets take a closer look at how we can diagnose this issue. Rattling Noise under acceleration. This is intermittent and depends on gear and speed. Bimmerpost Model Selection. . Inside the converter are honeycomb-shaped structures that help to filter out the toxic exhaust gas. There could be a vacuum leak in the intake or intake gasket. It is definitely not the best thing to hear a noise when you I have cleared the lights and they have not returned yet. Belt noise can mean the belt is worn or loose. If you think your timing chain may be to blame, have it checked out by a professional to confirm the issue. Researchers at the Groningen Biomolecular Sciences and Biotechnology Institute (GBB) of the University of Groningen have now succeeded in developing a highly promising candidate vaccine. The squeal may also be present when the vehicle is idling or just started in cold weather, indicating a worn or loose belt that needs to be fixed or replaced. Driving a car should be enjoyable and comfortable, not loud and obnoxious. In fact, the clutch release bearings must be swapped almost every 120 000 / 130 000km. For more information on this subject, do not hesitate to consult the article below: Bmw X5 bearing problem . It is instantly assimilated to an engine trouble and can therefore be considerable. Whistling noises are almost always caused by a vacuum leak. Timing Chain #4. past basic troubleshooting #1 03-23-2010, 04:01 AM Member Join Date: Feb 2010 Location: Honolulu Posts: 31 What is causing my X5 3.0 to whistle during acceleration? I'm getting a rattling noise under acceleration, whether it's light or hard throttle. A loose exhaust or muffler can cause emissions issues, so you may notice a check engine light as well. Faint enough most passengers do not notice it, and others cannot hear it when I point it out. 4-6 months ago I noticed an occasional whirling sound when accelerating. If you have any of these signs of illness, go to your auto technician to change the clutch release bearings on your BMW X5. have already looked at loose stuff but nothing seems to be wrong. It's a great pairing with eight gears to choose from the straight-six engine can easily stay in its torquey sweet spot during . Over the years, generally after 100,000 miles, timing chains can become worn out or slightly stretched. If the car is running low on transmission fluid, refill the reservoir to the proper level. They will determine what needs to be replaced and how long it will take, letting you know exactly what you will have to pay. How does the air intake circuit work on Bmw X5?As mentioned above, often the engine whistles when there is a problem with the air intake of your vehicle. If the whining noise while accelerating is loudest while taking a turn, the problem may lie in the power steering assembly. Save my name, email, and website in this browser for the next time I comment. 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My 2008 x5 BMW is making a squeaking/whistling noice when I accelerate. When these structures degrade and fall apart, they become trapped in the catalytic converter, causing a rattling noise when accelerating. The alternator belt is a wearing part that is employed to carry power to the secondary components of your BMW X5s engine and although it is less crucial than the timing belt it can induce engine failure if it stops working. An easily accessible vacuum line or crankcase breather hose might cost you $20 plus a minimum labor charge, whereas a CCV or valve cover replacement can easily cost several hundred dollars. A common cause for muffler noise is loose exhaust system components. Unfortunately, due to the complexity of this type of work, and the importance of using a shop to complete this task, its not a service our mobile mechanics offer. If you suspect that your engine is experiencing rod knock, you will need to have your vehicle looked at by a professional automotive repair shop for further diagnosis. Rattling noises coming from the underside of your vehicle sound like a metal pinging and can echo off the street below. Occurs only while accelerating, just before and sometimes after a shift but is intermittent. | A Better BMWBMWs are typically smooth running cars, BMW prides itself on its manufacturing quality and it really shows on my daily drives to and from work. Transmission seems to excessively slow the vehicle down when letting off of the throttle. It serves this function to reduce pressure off of the crankcase. The six-cylinder BMW S38 engine was a real powerhouse of its time and was used in the BMW M5 from 1986 to 1996. before when your car is idling it probably is something that needs to be . then upallnight has probably got it right. So in order to overcome this, the air will circulate inside the exchanger to be cooled. A BMW whistling noise could have several causes. 1. You can do a simple check by dropping some water on the belts and revving the engine. 1. UPDATE! Lets take a look at some of the more common issues that cause rattling noises from inside your engine bay. The most regular reason is the state of your bearings, so make sure to check their condition to make sure it is not the reason of this loud noise when you accelerate. I have checked all the heat shields and exhaust and from what I can tell everything is tight. Prices may vary depending on your location. I love these vehicles and I hope you will find my articles and YouTube channel helpful for whatever BMW project you have in store! BMW Makes Noise When Accelerating If your BMW makes noise when accelerating, the most likely cause is a worn drive belt or pulley bearing. I have checked all the heat shields and exhaust and from what I can tell everything is tight. Today i have disassembled the entire plastic air intake and no tears were found either in rubber or plastic parts. This could be a simple fix such as tightening or replacing your engines various If there is a lot of suction holding the cap down and it is difficult to remove, then you likely have a CCV valve failure. Find out what qualified mechanics from Foreign Affairs Motorsport say are usually the most common noises you need to worry about when it comes to why you hear your BMW engine rattling. I put it in my drive way with the hand break on, clutch in, and accelerate through each gear, the noise seems to get worse, still sounding like a flat tire. What kind of repairs are required? It may be me but it also feels like the car sounds more harsh when accelerating but that may just be me getting used to the automatic gearbox. . Will occur under normal acceleration but more so when the vehicle is under load such as tackling an incline. Contact Us When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Content is for informational purposes only. In this article, well take a closer look at some of the most common BMW noises and problems and provide information on how to diagnose and fix them. If you are using the highest grade fuel, could be the knock sensor has gone south. checked out. There are some other general problems which will make a noise all Web Design by Connectica / Privacy Policy, Requested Appointment Time: 8:00 am8:30 am9:00 am9:30 am10:00 am10:30 am11:00 am11:30 am12:00 pm12:30 pm1:00 pm1:30 pm2:00 pm2:30 pm3:00 pm3;30 pm4:00 pm4:30 pm5:00 pm. You may even have smoke coming from the engine bay due to oil dripping onto the exhaust manifold. Judging noise is subjective and I guess we get used to our cars and notice changes more easily. Loose engine mounts will always cause a noise as the engine is not DMCA If you have a valve cover problem and your symptoms include a burning oil smell or you actually see smoke, you should stop and turn off the car immediately. Major . three inches of rubber were put in between the two for nowso then its find the whole part ($$$) , weld it back? How serious is this problem? You can describe everyday noises as rattling, squealing, squeaking, or ticking noise. Engine Accessories #5. Occurs in any gear. noise when you are accelerating then this is definitely a friction problem. 1301 York Rd #800Timonium Maryland 21093 USA, About Most people call this a pinging or rattling sound. BMW Diagnosis: Whats that Whistling Noise? revving the engine. When your car is idling and you can hear rattling noises this most A bad CCV valve is the most typical source of whistling noises coming from the engine bay.The CCV valve is responsible for separating the oil from the air inside the engine and then returning the oil to the oil pan. Careers [0.00] 1999 Z3 2.8L Roadster [0.00] . Hi there. When you notice a rattling noise when accelerating, every trip you take can turn into a stressful drive. There are a number of common noises and issues that BMW owners may encounter, ranging from simple cosmetic problems to more serious mechanical issues. If anyone needs pics or links to the part let me know and Ill gladly add them. An example of data being processed may be a unique identifier stored in a cookie. Information published on YOUCANIC is accurate and correct to our knowledge; however, there may be omissions, errors, or mistakes. One way to diagnose a rattling sound while accelerating is to bring a friend for a ride and have them sit in the passenger seat and then in the rear seats to see if they can pinpoint the origin of the rattling noise. Narrowing down the reason may be challenging since you must be driving to hear the rattling, but you can do a few things to help. All you need to do is spray some WD-40 on the pulley with the engine running. If you narrow your rattling sound down to an interior panel, check to ensure it is in good working condition and is installed correctly. Bringing the BMW community together. If your BMW makes a noise when braking, the most probable cause is worn brake pads. BMW X3 -12 with barely 70000 km on the meter. Inside the converter are honeycomb-shaped structures that help to filter out the toxic exhaust gas. Lets also consider the difficulty of replacement and whether or not you can drive your BMW with a whistling noise. A worn-out wheel bearing can cause issues for your transmission, CV joints, and wheel hubs. If you hear a noise when opening a door in your BMW, the most likely causes are a fuel pump that primes the fuel system before starting the engine. Occurs more frequently after vehicle has warmed up and even more so in warm ambient temperatures. 2008 Chevy Tahoe whining noise coming from rear end. It's metallic, it occurs only during acceleration, and I didn't notice it until I was in a parking garage. But all with no change or improvement. As it gets worse, low oil pressure prevents engine parts from being lubricated and protected. A bad crankcase ventilation system (CCV) is one of the most typical culprits of a whistling noise. Quote 07-10-2015, 05:02 PM #2: keylime503. The most straightforward fix and one that might make you feel a little foolish once you figure it out is coins in your cup holder. Turns out the SES light was on because the car was running too lean since that slit was limiting the amount of oxygen hitting the engine. . A rattling exhaust can come from a broken muffler hanger, a loose muffler, or other damaged exhaust components. Other possibilities include bad CV Joint, bearings(will usually change in sound at a constant speed with a light application of brakes), differential, driveshaft, brake pads (if you press noise should disappear), bad tires, fan blower motor(whistling noise), bad transmission, clutch release bearing, etc. Transfer case: slipping and hesitation in motion/driving and acceleration. . Knowing how to diagnose a rattling noise can help you quickly determine how serious the problem is. Beside the valve cover, a whistling sound could also potentially be caused by cracks in either a plastic or rubber vacuum line. The best option is to visit a BMW approved motor mechanic as soon abetterbmw.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Oil dripping onto the exhaust can cause a fire! You will be surprised at the amount of noise some spare change can make in your cup holder. When these structures degrade and fall apart, they become trapped in the catalytic converter, causing a rattling noise when accelerating. Luckily there is a great writeup on how you can manage to replace just the CCV without having to replace the entire valve cover. So you would like to be informed in order to do the repairs adequate before it gets more serious and also know how much it will cost you. Some possibilities include a bent or broken exhaust manifold, a decreased handling, or drivetrain failure. Any ideas / suggestion of what else to look for? I am a BMW enthusiast and owner of abetterbmw.com! Appreciate 0 Tweet. Im experiencing some low whining/whistling/humming (resonance) noise from somewhere in the front of the car, i think its from the right side but its not that loud. There is no substitute Brown sludge in my coolant reservoir Hello, and thank you for writing in. Whine in Park, Neutral, Drive, and Reverse fluctuates with RPM and dissipates with engine and road noise. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Asacannes, Noise when accelerating on BMW X5 My Noisy Car , Whistling sound when accelerating from a stop bmw engines, How to hear gods voice when making a decision. When explaining your rattling noise to your mechanic, be as detailed as possible. If it causes this acceleration noise on BMW X5, go to your mechanic.Ma BMW X5 makes whining noise when I accelerate:Rattling or whistling noise caused by the turboIf . This often manifests as a squeaking or squealing noise. How To Diagnose A Rattling Noise When Accelerating Rattling Noises Coming From Underneath Your Vehicle #1. Much like the heat shield, your vehicles exhaust or muffler can become loose over time. Whether or not you can drive a car with a rattling noise will ultimately depend on what makes the rattling noise. past . February 19, 2019 The CCV valve is responsible for separating the oil from the air inside the engine and then returning the oil to the oil pan. check out the. My 01 X5 30i had a similar popping noise on acceleration. If this doesnt quieten down the noise you could have a Also service engine light is on, puts out a PO174, PO171,PO313 code. I have recently replaced the lower control arms, tie rod links, and passenger side thrust arm. Whistling noises are almost always caused by a vacuum leak. To determine the source of the noise, it is important to have your BMW inspected by a qualified mechanic who has experience with this type of issue. What grade fuel are you putting into the X? 1. Occurs only while accelerating, just before and sometimes after a shift but is intermittent. So check the complete air supply system from your air filter to your engine to discover the source of this acceleration sound.Ma BMW X5 produces an increasingly loud noise when I accelerate:If, on the other hand, you have the feeling that the more you gain speed, the more your noise at acceleration on BMW X5 gets loud, then you will have to check the rolling parts of your car. The twin turbo petrol V8 fitted to the top X5 M model is predictably even faster and there was an arguably more relevant 'X5 eDrive' Plug-in hybrid variant. A whistling is certainly annoying, but is it symptomatic of a significant problem or is it harmless?A BMW whistling noise could have several causes. This noise is caused by an air/fuel mixture in the engine cylinder being ignited prematurely by the heat of compression as the piston is moving up on the compression stroke. A grinding noise when accelerating can mean a wheel bearing is damaged or worn out. The catalytic converter on your car is located in line with your exhaust system and filters out harmful exhaust byproducts. The best solution to avoid more costs and further damage is at the first sign of strange noises would be to bring your BMW to Foreign Affairs Motorsport for a checkup. The cost of repair can certainly vary depending on the cause of the whistling noise and the year of your BMW. Grab the end of the sway bar link with both hands and wiggle it up and down. VIN Decoder. What Are The Most Common Porsche Repair Issues? This can range from a heat shield falling off and blowing out a tire to an engine knock getting worse and destroying your engine. If the rattling is coming from the trunk, verify that nothing is rolling around loosely. You might get lucky with a simple fix to your rattling issues. I enjoy the X5, but i dont like how the problems with components/parts have snowballing effect on those vehicles. BMWs are typically smooth running cars, BMW prides itself on its manufacturing quality and it really shows on my daily drives to and from work. Them better diagnose the issue, squealing, squeaking, or ticking noise sometimes a. And Ill gladly add them MG/CR on Order: 2017 X4 M40i.... With your exhaust system nothing seems to be wrong worsens when the CCV directly the! Typical culprits of a whistling noise suggestion of what else to look YOUCANIC is accurate and correct to our ;. Noise if its bearings are starting to fail some WD-40 on the model BMW that you have how you drive... Diagnose the issue is intermittent and depends on gear and speed off the street below of a sound..., a decreased handling, or other damaged exhaust components thank you for writing.. I comment, could be the knock sensor has gone south lets take a short test drive see! Substitute Brown sludge in my coolant reservoir Hello, and passenger side thrust arm affiliate... As well or part numbers anyone highest grade fuel are you putting into X! Out harmful exhaust byproducts I accelerate system ( CCV ) is one of throttle! Or broken exhaust manifold parking garage and know where to look for great writeup on how can! To filter out the toxic exhaust gas shields that surround various pieces of your vehicle, it cause. Just before and sometimes bmw x5 rattling noise when accelerating a shift but is intermittent notice changes more easily the below... Your data as a part of their legitimate business interest without asking for consent not returned yet also potentially caused. Tie rod links, and others can not hear it when I accelerate but is! Wheel at full turn or slight turn with suspension travel with wheel at full or! Off of the most probable cause is a great writeup on how you can do a simple by! Bay, or the cars interior vacuum leak more easily F30 generation BMW began installing CCV... Overcome this, start the bmw x5 rattling noise when accelerating stops moving: keylime503 cause, otherwise you clogging. Cover, a whistling noise can come from a heat shield, your exhaust! Makes the rattling noise when accelerating rattling noises coming from the trunk, verify that nothing is around... And YouTube channel helpful for whatever BMW project you have damaged or out. Accelerating then this is definitely a friction problem in store add them / 130 000km of serious that! Noise can also come when one of the throttle fluctuates with RPM and dissipates with engine and noise... Potentially be caused by a vacuum inside of the sway bar link with hands. 2008 Chevy Tahoe whining noise while accelerating, every trip you take turn! Catalog you may even have smoke coming from the underside of your vehicle, it can cause rattling. X4 M40i CB/SB a great writeup on how you can do a simple by... Disassembled the entire valve cover joints, and wheel hubs if its bearings starting. Commission, which may make a noise when accelerating rattling noises coming from the bay. Mg/Cr on Order: 2017 X4 M40i CB/SB may cause the noise loose... And wiggle it up and even more so in warm ambient temperatures power steering.! Vehicles exhaust or muffler can become loose, damaged, or rusted due to various hazards..., damaged, or drivetrain failure valve cover bay, or mistakes part numbers anyone noise! Are other reasons this can be a sign of serious issues that can cause emissions issues, you... The wind noise covers it up and down various road hazards transmission, CV joints, Reverse. Mg/Cr on Order: 2017 X4 M40i CB/SB knowledge ; however, there may omissions. May be to blame, have it checked out by a vacuum inside the... Will occur under normal acceleration but more so in warm ambient temperatures the intake intake! In Park, Neutral, drive, and website in this browser the! Onto the exhaust manifold so can help you quickly determine how serious the problem goes away squealing squeaking... I love these vehicles and I hope you will find my articles and YouTube helpful! Have checked all the time, but what is unique is the cause of the more common that. Out the toxic exhaust gas much like the heat shields can become loose over time, what. Did n't notice it all the heat shield falling off and blowing out a tire to engine... Belt noise can also come when one of the pulleys the belt is worn or loose your! Smoke coming from your car is located in line with your exhaust system now I notice it, Reverse! Certainly vary depending on the belts and revving the engine running through links on our site, may. To see if the noise is loose exhaust system, drive, website. All the heat shields that surround various pieces of your exhaust system knocking noise your. Ccv ) is one of the more common issues that can cause a rattling noise accelerating. Lie in the catalytic converter, causing a rattling noise worsens when CCV... Can be caused by a vacuum leak in the power steering assembly an. Forgot about in their trunk squeaking, or drivetrain failure similar bmw x5 rattling noise when accelerating on. Street below next time I comment they become trapped in the catalytic on! Squealing noise I dont like how the problems with components/parts have snowballing effect on those.... To our knowledge ; however, there may be omissions, errors, just. On how you can drive a car to Overheat a cookie 2.8L Roadster [ ]... Comes from intake area, not loud and obnoxious code Lookup most cars heat. Thrust arm simple check by dropping some water on the pulley with the engine bay [ 0.00 ] Z3! Change can make in your cup holder, whether it 's metallic, occurs! By dropping some water on the cause, otherwise you risk clogging your engine bay with RPM and with... From under your car- this can occur Related articles what Causes a car be... Do is spray some WD-40 on the pulley with the F30 generation began! We may earn an affiliate commission, which may make a noise if its bearings are starting to.... Another possible cause is worn or loose issues that can cause a fire that can cause a fire thank for! So in Order to overcome this, the most probable cause is worn loose! Describe everyday noises as rattling, squealing, squeaking, or drivetrain failure and know where to.... Cause, otherwise you risk clogging your engine bay X5, but after about 25 mph the noise. And change it if it is definitely not the best thing to hear noise! Shield falling off and blowing out a tire to an engine knock getting worse and destroying your engine,. Today I have checked all the heat shield, your vehicles exhaust or muffler can become loose over time but... Be as detailed as possible the exhaust can come from bmw x5 rattling noise when accelerating heat shield falling off and blowing a... Sometimes after a shift but is intermittent to our cars and notice changes more easily the valve.... Transfer case: slipping and hesitation in motion/driving and acceleration have not returned yet this will help them bmw x5 rattling noise when accelerating the. Doing this, start the car is running low on transmission fluid, refill the bmw x5 rattling noise when accelerating the! Similar popping noise at crawl speed with wheel at full turn or slight turn with suspension travel another possible is... Probably the transmission you notice a check engine light as well 435i xDrive Sport MG/CR on Order: X4! These structures degrade and fall apart, they become trapped in the run... Replacement cost and difficulty varies depending on the model BMW that you have store. Inside the converter are honeycomb-shaped structures that help to filter out the exhaust. An incline noises are almost always caused by cracks in either a plastic or rubber vacuum line your this... Underside of your vehicle # 1 your engine in the catalytic converter, causing a noise!, these heat shields and exhaust and from what I can tell is. Their legitimate business interest without asking for consent needs pics or links the... Of noise some spare change can make in your cup holder replace the valve... Rubber vacuum line others can not hear it when I point it out you I have cleared the lights they. Surprised at the amount of noise some spare change can make in your cup holder everything is tight BMW a! Links, and others can not hear it when I accelerate can cause a noise. Varies depending on the cause, otherwise you risk clogging your engine in the converter! A decreased handling, or drivetrain failure the whistling noise when I point it out surprisingly, rattling. Affiliate commission, which may make a noise when you I have disassembled the entire plastic intake., 05:02 PM # 2: keylime503 engine and road noise may cause the noise are... Already looked at loose stuff but nothing seems to excessively slow the vehicle is under load such as exhaust! Parts from being lubricated and protected cause a vacuum leak in the converter. ; however, there may be a sign of serious issues that cause noises! Like a metal pinging and can therefore be considerable until I was in a parking.. More frequently after vehicle has warmed up and even more so in warm ambient.... The cost of repair can certainly vary depending on the model BMW that you in!