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Yeah, not sure why BMW requires replacement of torque converter with MPPSK.
If you look at the P/Ns, the replacement torque converter is actually the same P/N as the torque converters in the B58 equipped F-series (F30, F32, etc.). The G30 540i/x has a different torque converter.
Looking at Bimmercat/RealOEM, you will find that G30 one is heavier than F3x one. Perhaps for fuel economy or comfort reasons due to G30 being more "luxury" oriented vs. F3x? Who knows...just my hunch.
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2018 G30 540i xDrive M Sport | Carbon Black Metallic | KW V3 Coilovers | F90 Suspension | F90 Brakes | 20" HRE FF10 Liquid Black Wheels | Michelin Pilot Sport 4S Tires | Ivory White Dakota Leather | Carbon Fiber Trim | Executive Package | Bowers & Wilkins Diamond Surround Sound System | JL Audio 12W6v3 and XD600/1v2 | Ceramic Controls | BM3 Stage 2+ E50 ECU Tune | xHP Stage 3 TCU Tune | Dorch Stage 2 HPFP | MST Cold Air Intake | FTP Chargepipe | AA Catted Downpipe | Remus Catback Exhaust
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