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      08-29-2012, 09:18 PM   #16
JamesM3M5
Some dude
 
Drives: E28 M5, E92 335i
Join Date: Sep 2011
Location: Northern VA

Posts: 1,664
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I haven't been too eager to get into the leakdown or compression for a few reasons. The owner has not mis-shifted (or hasn't admitted it? I'll ask more directly), the engine starts up hot or cold with no misfires, runs just fine everywhere else except 2500-3500. Past that it runs to redline with no hesitation. There has to be some sort of perfect storm going on in the midrange.

Dealer expertise. That's a new one I haven't heard.
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RRT Racing
E92 335i/6MT Dinan Stage 3: intercooler, oil cooler, intake, flash, exhaust, LW dual-mass flywheel.
Vishnu PWM methanol custom trunk mount, Diffsonline 3-clutch Salisbury custom diff, Ohlins Road and Track coilovers, Vorshlag camber plates, much more...
E28 M5 w/ buncha stuff, R171 SLK350
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