Bimmerfest - BMW Forums - View Single Post - Got the 1.2 bar expansion tank cap from German Auto Solutions
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Old 03-08-2013, 10:53 AM
mifesto mifesto is offline
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Location: NJ
Join Date: Oct 2008
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Mein Auto: m3
Originally Posted by Dragan View Post
the spring-loaded cap will vent the excess pressure to atmosphere.
not just pressure but also coolant!! thats whats scary... some misguided people are using this as a means to controlling system pressure on a regular basis! rad caps are meant to be a last ditch device to release pressure....
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