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Hey guys, hoping you can help. My pre facelift 330ci (July '01) has been sitting for about a year while I slowly rebuilt the engine. Finally got it in and running and its ready for inspection so I can get it on the road again but the airbag light is on.

When I scan it the code changes from 01 - Driver airbag stage 1 to 04 - Passenger airbag stage 1. When I clean each of them, the code changes to the other. Never both at the same time, I really don't know what to make of it. I had no airbag problems when I pulled the engine out.

Please help!
 

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Edit: disconnect the negative battery terminal before working on the air bags.

Try cleaning the connectors under the seat (mine are yellow plastic) with some CRC electrical connector spray.

Then sparingly apply some dielectric grease to the contact points.

Reset the codes and see if they return.




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