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Old 07-25-2012, 05:17 PM
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borderchris borderchris is offline
Was ist los? Der Hund!
Location: San Diego
 
Join Date: Jun 2010
Posts: 677
Mein Auto: 335i E92
Nice job on reviving a 2008 thread

Anyway, many engine performance parameters get their data from the temperature and position of the the thermostat. Your quote for the job is ridiculous, though- It's a 30 minute job with a $55 part:

http://www.partsgeek.com/mmparts/the.../bmw/545i.html

Remove the forward lower pan, drain the radiator, remove the air intake, disconnect the sensor wire and hose clip, remove the three screws and replace. Refill with a 50/50 mix of distilled water and BMW (or Zerex G-05) coolant, run with the cap off and heater on for a few minutes to bleed, and you're done.
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Last edited by borderchris; 07-25-2012 at 05:19 PM.
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