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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Cosmetic and Lighting Modifications (exterior/interior) > help please. Fitment issue with Performance diffusor



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      12-09-2011, 05:22 AM   #1
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help please. Fitment issue with Performance diffusor

I have an extra set of e90 LCI Performance Diffusor.
Part number is 51192153917
OEM BMW Performance E90 & E90 LCI Diffusor Pack. Fits BMW Performance and rear M Aerodynamic Bumpers. Kit includes diffusor and left/right covers.

picture:


And recently sold it to this gentleman in Vietnam.
His rear bumper looks like an M aerodynamic bumper right?:




When he tried to install, they dont fit.



This is his diffusor for the comparison:


What's wrong with my diffusor? or his bumper?
Thanks,
Dung
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      12-09-2011, 06:18 AM   #2
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Is his bumper a oem BMW bumper or aftermarket?

I've been told that the factory diffusers fit the aftermarket bumpers (by the aftermarket vendor - so take that for what it's worth) but don't know if that is actually true...
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      12-09-2011, 06:21 AM   #3
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If he has a pre-lci m-tech bumper then he is going to have to do some trimming.

DL this here as it should help: http://www.e90post.com/forums/showthread.php?t=331031

Good luck!
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      12-09-2011, 08:41 AM   #4
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Quote:
Originally Posted by 1QuikWS6 View Post
Is his bumper a oem BMW bumper or aftermarket?

I've been told that the factory diffusers fit the aftermarket bumpers (by the aftermarket vendor - so take that for what it's worth) but don't know if that is actually true...
He purchased the whole M Aero kit. I believed. He gave me the part number 51952147162, but I couldnt find what it is from realoem.com


Quote:
Originally Posted by Simple3 View Post
If he has a pre-lci m-tech bumper then he is going to have to do some trimming.

DL this here as it should help: http://www.e90post.com/forums/showthread.php?t=331031

Good luck!
His is LCI. Thanks for the PDF, it says there's some trimming involved too.
we'll see!
Thanks guys!
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Frozen Grey. Dry CF Roof. Vorsteiner Double Sided CF Boot Lid. OSS. BMW Performance Aero Kit. BMW Performance CF Diffuser Cover. BMW Performance CF Trim. Robson Design Steering Wheel. Advan RS. Michelin PSS. H&R Touring Cup Kit. BMW Performance Brakes. Eisenmann Race Rear Muffler. ESS Directflash
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