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Coolant Bleeding
I have to replace the t’stat housing and coolant temp sensor (CTS) on my 2011 R56 with a manual trans due to coolant leakage. The procedure in my Bentley manual says that the system can be bled by alternately filling the system and running the engine at idle. However it also warns that if the system doesn’t bleed properly, a vacuum bleed would be required.
1. How successful is bleeding without vacuum in the R56?
2. As I’m replacing the CTS as well, would initial filling with the sensor removed aid in bleeding it completely?
TIA
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