E46Fanatics - View Single Post - [Cooling System Upgrade] 1-BAR Radiator Cap
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Old 10-04-2012, 07:47 AM   #20
WDE46
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Join Date: Sep 2012
Location: Old Greg's Cavern
Posts: 12,671
My Ride: '13 128i, '04 330Ci
This cap may work for casual driving, but what happens when you drive hard with it? You may get boiling coolant, which is totally ineffective at removing heat.
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