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sheharyar_rr sheharyar_rr is offline
Junior Member
Posts: 54
Join Date: Sep 2015
Car: 2014 335i M sport
Default 02-16-2019, 10:19 PM

Originally Posted by Terry @ BMS
The M550 uses a different harness that is EWG based, so best to sell that one and buy the correct one for the new ride! You're going to love the AWD.
Any point in doing it if im on 94 octane pump gas? I have a dme flash

2018 BMW M550i
BMS JB4 & DME bef
1/4 mile 10.9 @ 125
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