Question about 1994 BMW 3 Series
Posted by Anonymous on
The check engine light could be any number of things and the only way to find out is have the codes scanned. The brake light issue is common on E46 3 series. It is an issue were the brown ground wire that goes into the lamp housing melts at the connector causing a loose ground connection. The connector needs to be replaced and also add additional grounding wires to prevent further issues. And for fuel additives either use the cheveron techron, or the bmw fuel additive(the bmw stuff is the exact same thing, so just use which ever is cheaper).
Posted on Mar 12, 2009
Below are diagrams for both the M44 and the M50 engines. On the M44, you may need to hold the tensioner in the retracted position with a drill bit or hex tool through the hole in the front of the tensioner. The belt tensioner is automatic so no tightening is necessary. Best of luck!
Posted on Nov 06, 2009
many reasons for this. A bad relay can do it, or a wheel speed sensor can to. Also the relay may be at fault. You can have the codes checked for free at any Auto Zone and they will tell you what part is bad
Posted on Jan 24, 2010
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