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      11-30-2012, 12:40 PM   #11
E30 Racer
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Drives: '11 1M, '09 335i M Sport
Join Date: Aug 2011
Location: Ohio

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Originally Posted by Derek8819
I think you're right on the money as to the who needs an intercooler issue. My only worry is that the increased boost from the factory on the 1M already is too much heat generated for the factory cooler. Maybe on a standard 135 it's fine, maybe the BMW engineers looked at the 1Ms added boost and didn't think cooling was an issue, but I worry is they said...... It's good enough.
Are you sure about this? 1M overboost only lasts for 8 seconds a shot. Like bdaddylo said, it would be good to hear from the 1M guys who have recorded their intake air temperatures at the track with stock boost on hot days.