Question about 1998 BMW 3 Series
This problem maybe solved a couple ways. The first, (and cheapest) is check all your fuses. BMW's sometimes have multiple fuse boxes. In the dashboard behind the clove compartment, under the driver's side or passenger's side dash( near your knees or sides of your calfs), and in the engine compartment under the hood. Fuses are relatively cheap if you do it yourself and are available at nearly all auto parts stores and many WAL*MART'S or TARGET'S.
If you've checked all the fuses with either a fuse checker (about $5 at an auto parts store) or by pulling out and checking each fuse visually (making sure to be very careful not to touch the contacts or not getting shocked by disconnecting the positive battery cable very carefully), another problem may be in your ECU (the car's computer or brains).
If the fuses are fine, I'd take it to a dealer to have them look at the ECU, it is one of those parts that you can't really diagnose yourself with out the right software and computer connections (very expencive tools, around $500-$3,000 each) but many local mechanic shops and all BMW dealers will have these tools.
First check the fuses. If you have trouble finding the fuse boxes, look in the owner's manuals.
I hope I could help you fix the problem.
Posted on Jan 05, 2009
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