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Old 02-26-2013, 07:50 AM
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doru doru is offline
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Location: Calgary
Join Date: Sep 2007
Posts: 4,703
Mein Auto: 2003 530iA
The OEM BMW expansion tank seems to be better quality. Had a China Behr, and it would leak right away without any pressure (coolant cold). Replaced it with the dealer version, and it's OK since.
I think I will piggyback it with a lower pressure expansion tank cap from Gary. I think this will prevent splitting of cooling components.
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