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2010 2011 BMW 5 Series Forum F10 F10 Technical Topics Engine, Transmission, Exhaust, Drivetrain, ECU Software Modifications Diffuser Options for M-Sport 550i & Dinan exhuast
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      06-08-2017, 12:21 PM   #1
Christopher_
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Diffuser Options for M-Sport 550i & Dinan exhuast

New to the forum, and any and all help would be greatly appreciated. I'm looking for advice/tips/tricks/lessons learned on replacing the stock M-Sport diffuser on the 2014 550i when upgrading the exhaust to quad tips (likely, Dinan for warranty reasons). I'm looking for either the M5 style OEM diffuser, or something similar to the Vorsteiner diffuser (fins), but would like the option of a body color match on the diffuser instead of the carbon fiber look.
I've read a lot of threads on this topic, but am not finding definitive advice on this that doesn't entail a lot of butchering on either the diffuser or exhaust.
I'm hoping to get some advice from someone with first hand experience on what worked best.
Thanks.
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      06-08-2017, 01:14 PM   #2
Ickdeep
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You have two options really...
1) Pay for a really expesnsive diffuser and it fits perfectly
2) Pay a lot sell and get an ebay diffuser that requires a little work to make it fit perfectly.

I personally went with option two. I bought a diffuser off of Ebay and the tab's that hold the diffuser weren't perfect. So I had to remove the rear bumper (really easy) and use screws to secure the bumper into place. Overall it was the best for me.

I also got M5 muffler installed.
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      06-09-2017, 09:58 AM   #3
Bigsean714
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I have a quad tip eBay diffuser & quad tip matte black custom mufflers I may be selling soon cause my lease is ending. Let me know if interested! Will be much cheaper than dinan.
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      06-09-2017, 11:00 AM   #4
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Quote:
Originally Posted by Bigsean714 View Post
I have a quad tip eBay diffuser & quad tip matte black custom mufflers I may be selling soon cause my lease is ending. Let me know if interested! Will be much cheaper than dinan.
Is your diffuser a CF?
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