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  1. E60 / E61 (2004 - 2010)
    Hi all 🤗 !!! I replaced the coolant expansion tank of my BMW e60 550i because of a crack inside the overflow drain line, that is common for N62B48 engine due to high operating coolant temperature apx. 110 deg C! Replacing of this tank is not hard to DIY and I want to show you how to do it just...
  2. E90/E91/E92/E93 (2006 - 2013)
    It started intermittently, now more on than not, usually after running the car for 5-10 minutes the low coolant light comes on, but the tank is full and has not been leaking. The bobble comes up and makes contact with the cap, so I assume the sensor is bad or is making poor contact? Where are...
  3. E34 (1989 - 1995)
    Hi, My 94 530i has been showing the LOW COOLANT sign all week. I just got some coolant, and cant find my manual to find out where to top off the coolant! I was not successful in looking it up online and decided to come here for some good advice. 1. How to top off the coolant? Where under the...
  4. E46 (1999 - 2006)
    Love my car. Still love it after 6.5 years of ownership. Just turned 40,000 the other day, and right when that happened, the red battery light went on. Alternator went out. A week before that, my right xenon went out. A couple weeks before that, my battery and some valves and a gasket had to be...
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