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      08-06-2007, 01:26 PM   #5
leftcoastman
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Drives: 335i
Join Date: Jan 2007
Location: Near some canyons

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I definitely noticed my 6MT Procede petering out at high temperatures (95+). Looks like the problem exists even "stock".

My case, however, was more heat soak since I could go above 60mph, but lost about 10mph at the end of the long straight given the same exit speed out of the prior corner.

I know this will not help you while OUT on the track, but you may want to bring a water spray bottle (3+ gallons) and spray the oil cooler after each session. You can drop the oil temps 15-20 degrees within minutes. Something about letting the oil sit at 285+ degrees doesn't sit right with me.

We need a bigger oil cooler for HOT track sessions.
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