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That is normal until the engine starts. It builds up pressure and shuts off until the pressure drops at the injector when they start working when you crank the engine.
Hi Fadi, Salem, The BMW is fitted with a safety device which stops the key going to the start position twice, in other words it stops the key from being turned and engaging the starter motor if the engine has been started. It is normal. Shalom John
The problem you are having sounds suspiciously like the torque converter is not disengaging to allow your engine to spin freely until you are ready to accelerate.If when decelerating or coming to a stop you feel a jerking sensation similar to driving a vehicle with a manual transmission and bringing the vehicle to a stop without depressing the clutch, then the problem you are having is faulty Torque Converter Control Solenoid or a bad Torque Converter itself. If you have any other questions please contact me here. Good luck.
It sounds like an EGR fault, exhaust gas recycler valve, this will make the car lose a lot of power and cause the engine light. Normally will not rev over 3-4k rpm with the light on.
sounds like brake booster not working
check vacuum hose that goes to booster is ok and not leaking
engine off
pump up brake pedal several times
hold brake pedal down
start engine
pedal should sink down approx half to 3/4 way down indicating booster is working
if pedal doesnt go down when engine is running booster has leak or no vacuum supply from engine which requires great pedal effort to try and get vehicle to stop.
Looks like some things don't change. The problem is with your MAF Sensor (Mass Air Flow) sensor. This is a usual problem with BMW 3.0i engines, though normall it's after 100k. Take it to your dealer and have then read the engine code, this will be done under warranty, so no charge.
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