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      07-19-2019, 11:40 AM   #27
BlueM3Wagon
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Drives: 2012 M3 e91
Join Date: Mar 2017
Location: Kettering ohio

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S65 Injectors were bench tested and fine. N52 injectors made the car even worst while they were in. Shop thinks the tune is causing the issue. Talked to Bob and said the car might not be getting enough fuel based on what the pulley is pumping out. He's bumping fueling up 20% to see if that helps. He said a few N52 Z4s he's tuned are pushing 10-11 psi with the 110mm pulley at 7200, so its quite possible there's an issue causing it lean. I'm going to flash the new tune and see if that moves us into the right direction. Getting the P3 vent gauge next week and hopefully dyno next weekend. We can dial the tune in once it's on there showing real data if all's good.
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2012 E91m3 custom build

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