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E46, M3: Starts up and cuts out immediately
11-07-2019, 01:17 PM
Post: #1
E46, M3: Starts up and cuts out immediately
Hi I need help with a problem I'm having at the moment with my M3 (E46) 2004. My starter packed up and had to be reconditioned and put back.

After installing the starter the car fires and switches off immediately. This wasn't an issue before reconditioning the starter.

I have no idea what the issue could be, I need help figuring out how to trouble and/or isolate and rectify the problem.

Awaiting your response thank you.
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11-07-2019, 01:23 PM
Post: #2
RE: E46, M3: Starts up and cuts out immediately
Have you got the codes read? Could be crank position sensor

Current rides
1995 E36 325i [Unfinished Monalisa]
2004 E46 330D M-sport [167wkw 556nm]
2012 Yamaha FZ6R - Stock
Ex Ride
1998 160i Conquest Rs
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11-07-2019, 02:10 PM
Post: #3
RE: E46, M3: Starts up and cuts out immediately
Thank you for replying.

Sorry man. What Did You mean when you asked me if I
Have the codes read.

How will I know if the crank sensor is positioned correctly
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11-07-2019, 02:21 PM
Post: #4
RE: E46, M3: Starts up and cuts out immediately
error codes.
its a crank position sensor....you wouldn't check the positioning of it you would replace the sensor.

current: BMW E92 M3 (bearings could be fcukd)
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11-07-2019, 09:35 PM
Post: #5
RE: E46, M3: Starts up and cuts out immediately
Best to get the error codes read.

I had this happen to me - I could start the car and could only keep the engine running if I gave throttle, at idle it would die immediately.

Read the codes, and it was the MAF sensor which had failed.

2004 BMW 330i M-Sport 6MT
Ex. 2004 BMW M3 Coupe 6MT
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