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Old 05-18-2010, 03:44 PM
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catso catso is offline
Location: Chicago
Join Date: Dec 2009
Posts: 3,041
Mein Auto: 2000 323i, 1988 528e
Originally Posted by south26 View Post
It could also be that your main relay or your fuel relay are going bad. You can check the fuel relay by switching it with your horn relay. Also your tranny sensors might be going which will cause the car to not get gas or spark. I would also take your distriputor cap off and see what kind of condition it is in. Last but least clean up your fuses and make sure they are all nice and tight.

It's good to know the horn and fuel pump relays are the same. This is a big help in diagnosing problems. We just had a thread regarding a problem like this on the E46 forum (I've got one of those too). The relays are also the same on those newer 3-series cars. A bad cap, rotor, or ignition wires, along with the crankshaft position sensor can also lead to these kinds of problems.
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