Question about 2005 BMW 3 Series

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BMW 318ci 2001 Cold to Hot Problem??

Hi,

I own a 2001 318ci with 125k on the clock, recently it has been cutting out whilst driving, then restrting after around 5 minutes after trying. I took the car to a local garage for a diagnostic where he picked up 2 faults, camshaft & crankshaft sensor faults. The guy said he will order the parts and fit t.

However, I have realised that the car only cuts out after around 10 minutes from starting up when cold after it has not been driven for 8 hours. Two days ago, I pulled over on my way home from work just short of where it had cut out previously. After 2 minutes of stopping the car cut out and would not restart for 5-10 minutes, after which it was fine to drive again.

This seems that it is always the case now, and it seems to be some sort of fault with the cold to hot changeover to me. When the car is hot i have no problems with cut out, so is it worth changing the two sensors that the mechanic suggests? Would this solve my problem or does anyone have any suggestions or had experience with this problem?

I personally think the sensor faults are caused by the car cutting out whilst i m driving, giving a fault that the crank and camshaft are turning when the engine is off.

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  • christosex Nov 17, 2008

    Hi. I have the same problem as your with my car 318ci 2002 and has the same faults when i put it on the diagnositcal pc. My mechanic change the 2 camshaft sensor and on my way back home it did it again so i went back and tolt me is my ecu that has the problem and needs to be replaced. If you managed to fix yours please let me know to have an idea.

    Thank you

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Umh,have you checked the cambelt/chain tension its a bit strange for two sensors to go down at the same time !! cranksensor would make it stop but normally on sequential injection if the camsensor fails the car will keep running untilll you stop it then refuse to start....

Posted on Oct 19, 2008

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Same problem on my318ci changed the crankshat sensor and problem solved.

Posted on Feb 01, 2009

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