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      12-24-2019, 02:47 PM   #11
MoeMo87
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Drives: 435xi, M550i
Join Date: Mar 2019
Location: Naperville, IL

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Quote:
Originally Posted by r33_RGSport View Post
Quote:
Originally Posted by riom550i View Post
Quote:
Originally Posted by MoeMo87 View Post
Does anyone know if the stock rear diffuser for the M5 fit on the M550? Or does the whole bumper need to be changed to the stock M5's for fitment?

Thanks
https://rover.ebay.com/rover/0/0/0?m...2F173826243273
I have this on my car. Looks perfect.
That is an aftermarket M5 style.
It is not 1:1 to the real M5 one.
That's why it fit.

I have tested the real one for F90 M5 to G30, the exhaust tip doesn't line up since the F90 M5 is more toward the center.
Also you will need to cut or get the F90 M5 Trunk Kick sensors bracket.
Thanks for your response!

I was thinking of replacing the m550 rear bumper with the stock M5's so that I wouldn't have any trouble trouble with the rear diffuser fitment. But this also requires some of the plastic cover shields under the exhaust to be changed because of the layout of the M5 bumper.

As you mentioned, the only other thing I need to figure out at this time is how the exhaust fitment would work.

I was hoping if I went with a aftermarket exhaust such as Dinan, it would help resolve that issue.

I attached 2 pics, one for the M550 and the other for M5 with Dinan exhaust. Seems like it could be possible

When you tested it out, was it with the stock M550 exhaust? What are your thoughts on fitment with a Dinan exhaust?
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