Question about 1999 BMW 328 Series
How do i go about removing a BMW 316i compact starter
Posted on Apr 05, 2011
I've had similar issues with a 1999 M3. normally attributed to electrical power levels this could be a low voltage issue.
do you have error codes?
make sure the power contact at the starter motor (between the alternator and the battery) is tightened.
I have also had issues with a cranshaft position sensor. but my favourite culprit of electrical issues is a wet ECU.
the ecu compartment is under the windshield on the passenger side on E36
you gain acess to it under the hood....
this compartment gets wet, the ecu lays on a flat surface in that
the bottom side of the circuit board gets wet and starts corrosion.
remove the ecu, take the bottom plate off, clean the bottom of the circuit
board with alcohol and a soft tooth brush.
you should be able to see the signs of corrosion or conductive build up.
this gunk bridges solder points doing all sort s of wierd things to your
car, including false sensor readings from asc/abs controllers and other
all the way to engine failure and worst case burnt and shorted wiring
I'm on my 3rd ecu, took me and the repair boys a few years to figure this
BTW: i would get that ecu mounted above that flat surface, use some sort
of standoff to raise it so that it is not laying in the wet.
Posted on Feb 07, 2010
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