Reply With QuoteOn the exhaust side of the engine at the front. It's next to the large crank pully. It's bolted to the timing cover and the wire is pluged into the wiring duct that runs along the top of the engine. Easy to replace.
crank pos sensor
can any one tell me where its located and if its an easy remove and replace?
Thanks in advance
dablack
92-535
Big Time Poster
On the exhaust side of the engine at the front. It's next to the large crank pully. It's bolted to the timing cover and the wire is pluged into the wiring duct that runs along the top of the engine. Easy to replace.
Ken, from Melbourne AUS.
'89 535iA with a 5 speed swap.
4 Grand Master
routing the wire is the difficult part
"The gas pedal wouldn't go to the floor if it weren't meant to be there"
Big Time Poster
Half hour job. 20 minutes of which is trying to figure out how to fish the wire around the t-stat housing and between intake runners.
You'll probably want to remove the shroud on the radiator and the distributor cap to get the wire in around the thermostat housing.
The sensor is bolted with a 5mm allen cap screw to a mounting bracket. The bracket is held on with a 10mm nut you can loosen with an open ended wrench. That lets you slide the bracket to adjust the sensor->tooth wheel gap.
Just did this twice in the last couple weeks. It's easier to remove that 10mm nut first, take the bracket off, then remove the 5mm screw. Clearance to remove the 5mm with the bracket in place is a bit fidgety.
When you put it back on, first attach the CPS to the bracket, then stick a .035 feeler gauge to the sensor (it's a magnet after all), and then mount the bracket letting it slide forward and stick to the toothed wheel. That sets the air gap for you. Just be careful tightening the 10mm nut down because it'll tend to bend the bracket enough to make the gap close up.
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