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coolant temp

  1. General E46 Forum
    Hey guys I'm having a problem with my 04 325I (manual) and I would really appreciate if anyone could give me some insight. Last week I replaced coolant temp sensor o-ring but didn't seat the sensor all the way. It blew off on the highway the next day. Before I got the car stopped the coolant...
  2. DIY: Do It Yourself
    I just replaced some parts in my cooling system. Now I want to get it properly filled with coolant and get the car back on the road. I'm a little nervous, though, so I want to get some opinions before I proceed. This job started with two problems. First, the expansion tank apparently had a...