Tag Archives: noise

F02 side seat lumber noise

 I know what the hell is this,,,the is a F2 740 and the rear of the drivers seat,,,customer said the sides of the seat makes a noise,,,,we found out the side lumber motors make a noise rubbing against the leather,,,,so … Continue reading

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N51 the whistle

 This is a famous noise that some of you BMW owners have heard,,,,the check engine light was on,,,,the car had a lean mixture on both banks,,,,I test drove the vehicle and there was no noise,,,I also had the car idling … Continue reading

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N20 timing chain issue

ok I’m getting a lot of questions about the N20 timing chain noise and replacement,,,,here are 2 short audio clips,,,,you can here a high pitched whine in both videos. one video is at 3000rpms,,,,and the other is reving the engine … Continue reading

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F30 A/C noise

 Ok your probably thinking what the hell is this,,,F30 N20 A/C lines going to the firewall,,,bolting up to the expansion valve. And here is the high side switch and shredder valve,,,,ok hear is where I’m going with this,,,,customer complained about a … Continue reading

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N20 timing chain noise

 Ok I know you have seen this picture before of a N20 engine,,,,well here another N20 with a internal engine noise,,,,this time the noise was coming from the front of the engine,,,,,not like the lower end like the last one … Continue reading

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N20 rod bearing

 Ok here this is that N20 with the engine rattle,,,BMW wanted me to check out the engine to find the problem,,,,so they had me remove the valve cover and check the upper end for any abnormal wear or damage,,,,,then the … Continue reading

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