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  1. Reving the engine?

    General E46 Forum
    Hello I drive a 2001 BMW 330ci, and I absolutely love it. I have heard from various sources that the engines on these cars, if well maintained are pretty much bullet proof. I was involved in a little car race last night, and I was wondering if reving the engine to show off is bad for the engine...
  2. Do I Need Software??

    General E46 Forum
    Hi everyone, I recently purchased SS headers, SS cats, SS x-pipe, AP exhaust and a K&N intake for my 2003 M3 Coupe, is there a specific software/chip that would be ideal for my upgrades as I could only find certain chips for certain up grades (ie. intake no cats/euro headers, no cats) but not...
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