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Yeah, I'd expect closer to 12 flat with X-Drive. My RWD with Jb4/intake runs 12.3-12.4 with sixties in the 1.90's. You should be able to get into the 1.70's. I don't know why the 340i's seem stronger. Several guys on N54tech running 12 flat on a JB4/intake/DP at a solid 115-116. And these are RWD cars too. The 340i has what, a good 125 lbs on us?
My DP should be here today!
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2017 M240i/ ZF8 Pure Drivetrain Solutions Stage 1 & torque converter/xHP/ DAW Ultra Flow/ DS2/ Nostrum injectors/ E40 Doug Newton tuned/ ER DP/ Remus axle back/ BMS intake/ FTP CP/ M Perf LSD
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