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Car making sound like bearings around the fan pulley
While being aware of where the noise is coming from on your BMW is important, it can be quite challenging to pinpoint noises that are happening particularly around the pulley area. Not only have I found it takes an experienced...
Question
Car stalls after overheating.
Hi there. Your engine can overheat for any number of reasons. If it is overheating only in stop and go driving and not on the highway then you may have a radiator issue or a cooling fan problem. If it...
Question
Car slipping out of gear
Hello! With the transmission slipping, this vehicle is not safe to drive until this issue is resolved. The most common causes of the transmission slipping is low or improper transmission fluid level, or internal failures in the transmission. A qualified...
Question
The car is hard to start after sitting for an hour
Hello. There are several different things that could be causing your starting issue. There could be a bad spot in your starter which would make the vehicle hard to start. You could have an intermittent fuel pump problem which would...
Question
Eml, dmc, brake warning lights. No start
The BMW models are notable for going into "limp" mode or "safe" mode when one or more vehicle systems are not operating correctly. This is a difficult issue to diagnose without more information. I would recommend having an expert...
Question
Transmission issue, car limps and very slow in drive
Hello. If this light is coming on, then the computer is detecting a transmission issue. I always start by checking the fluid. If it is low then this will occur. If the fluid level is fine then the condition needs...
Question
Dash showed many lights on after the ignition was turned off
It may have been an issue with the instrument cluster not shutting down properly due to a processing error. Unless this situation begins to repeat itself, it may have been a one-off issue due to extreme cold. Keep monitoring the...
Question
Overheating and leaking during driving
BMW had a TSB (technical service bulletin) out for a casting flaw where a leak could develop on the lower right side of the cylinder head. Good news though, that was on the M52TU engines and you have an M54...
Question
Engine rattling, shaking and loss of power
The VANOS unit or solenoid can cause a rattling sound from the engine. The VANOS is a camshaft timing system which runs off of engine oil pressure. If the oil is the wrong viscosity or the system has a buildup...
Question
The engine stopped working suddenly
BMW has a TSB (technical service bulletin) on this. A faulty oil level sensor can cause this, as the power to this sensor is shared with the transmission range selection switch. If the transmission range selection switch loses power, the...
Question
Fuel pump
Hello. From what you describe it would appear that your fuel pump may be going bad or experiencing electrical issues. If the problem appears to be getting progressively worse, until the vehicle no longer starts then it may be possible...
Question
Car damaged by garage
I can comment on the need for the ecu, without knowing if they in fact damaged it or not. I can say that it is possible to damage any vehicle electronics when working on or near any power source such...
Question
When I come to an abrupt stop, the engine stumbles like it wants to stall. Any thoughts?
A low transmission fluid level from a leak is more likely to cause the transmission to slip, especially on hills. If the torque converter clutch of the electronics that control it are sticking on, this situation may cause the engine...

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