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Old 03-12-2013, 10:11 PM
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bluebee bluebee is offline
Seek to understand,^Value
Location: San Jose, California
Join Date: Mar 2008
Posts: 25,062
Mein Auto: 02 BMW 525i M54 auto 130K
Originally Posted by L0F View Post
what I would like to know is the factory stated standard operating temperature..
I'm not sure how much applies to the M52, but for the record, we covered the M54 & M62 (thermostat) temperatures in this thread:
- What is the temperature of the coolant & when the thermostat opens under normal conditions (1)

Here is the cooling system flow through the M52 engine:
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Please read the suggested threads, where the best always add value to those threads, either by pictures or by descriptions, so the next person with the same problem stands on your shoulders.
See also: E39 Bestlinks & How to easily find what you need

Last edited by bluebee; 03-12-2013 at 10:42 PM.
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