I think you cannot check it, and it's not expensive, so it doesn't hurt to change it. I don't know for sure where it is located, but probably near the fuel tank underside the car. (the e30 has it there)
__________________ BMW '96 M3 (SOLD) June 2005 Car Of The Month!
Originally Posted by Torque
I was just dropped off here by aliens one day. They got bored with me.
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