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Mike_L Mike_L is offline
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Posts: 1,744
Join Date: Jun 2014
Car: 2017 X3 xDrive35i
Default 03-04-2017, 07:17 PM

Hum..... gotta do some research on the 550/750 xDrive system. A 700hp+ 750LiX would be awesome. B7, S8 Plus and S65 killer.

EDIT: That was easy. All BMW cars, from the 1 series to the F02 B7, use the same ATC35 transfer case. The X5/X6 use the ATC45 (or ATC700 for the M's). So its the 8HP70Z, ATC35 combo. Should be pretty safe, up to the driveshaft at least.

BTW Terry, Did you ever find out about that 550 that was losing power with the **? Its been a while, but I think it was cutting boost or something above 4000rpm? I'm going to assume this fixes that?


Mike Levy
2017 X3 xDrive35i
2000 F150 Lightning
2018 Equinox LT 2.0T

Last edited by Mike_L; 03-04-2017 at 08:11 PM..
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