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      02-28-2021, 09:06 PM   #15
Fro826
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Drives: F06 650 GC, E92 M3
Join Date: Feb 2013
Location: CO

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Also posted this over on bimmerfest in an old thread, but for completeness I thought I'd also post here on 6post...

Hi folks, sorry to be reviving a 3 year old (thread, not child), but I'm trying to make sure I understand exhaust fitment that others have already resolved. I just bought a 2016 F06 650i xDrive Gran Coupe and I'm trying to resolve if the F06 M6 Gran Coupe exhaust system fits the 650. I'm talking about the entire exhaust system, from the tail pipe tips up to where it bolts to the stock downpipes. I had an F10 550i M-Sport and the F10 M5 exhaust bolted right up to the stock 550i downpipes, and the rest of the system fit the 550 as well. There were a couple hangars that had to welded on, and the rear cross-brace was shorter on the M5 system so the 550i's cross-brace was cut and welded together in the middle to fit. Otherwise, everything else fit (I did install the m5 diffuser and the plastic piece behind the rear bumper cover so that the M5 diffuser could be mounted (these 2 parts are sold as a kit from getbmwparts). Anyway, I assume I'd have to do the same diffuser change on the 650 as I did on the 550, but what's not clear to me is if the M6 GC exhaust system overall will just "fit" the 650, or if there's crazy bends, etc. that have to be tweaked to make it fit under the car.

Any input or experience with this would be super-helpful! I look forward to giving to this community as much as I can now that I'm an F06 GC owner.
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E92 M3
F06 650ix GC

Last edited by Fro826; 02-28-2021 at 09:55 PM..