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BeamerandBimmer BeamerandBimmer is offline
Junior Member
Posts: 58
Join Date: Jul 2013
Car: N54/N63
Default 02-10-2019, 05:51 AM


I'll be turning in my '16 M5 lease this summer and have a M550 on order. Would I be able to use the JB4 hardware from my M5 on the M550?

'16 M5 JB4 11.5 1/4 mile
M4 Stock (Gone)
135ia:JB4, BMS **, OCC, ER FMIC, Level 10 tranny rebuild. 11.907 @115MPH--FASTER THAN MY S85 (Gone)
X5 50i M-Sport + performance package + N63 stage 1. 12.79 @108MPH (Gone)
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