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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Cosmetic and Lighting Modifications (exterior/interior) > Performance Diffuser install...having difficulties, need help :-(



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      03-13-2011, 03:50 PM   #1
TikoV
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Performance Diffuser install...having difficulties, need help :-(

I've recently bought a CF rear diffuser and tried fitting it today. Looked at the existing fittings and it seems that the OEM is connected by a bracket. However, the one I got has no holes at all and just small slats at the top to slide in. This will not hold it in place...

Therefore, has anyone bought and done an install themselves. I'd be grateful if you could help me in this matter.

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Tiko
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      03-14-2011, 12:15 AM   #2
schulteonline
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Just ordered one from duke dynamics for my 335d M. What brand did you buy?
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      03-14-2011, 02:53 AM   #3
TikoV
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Hiya

AFAIK it's an exact replica of the BMW performance diffuser. I got if from SSDD-motorsport here in the UK.
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      03-16-2011, 01:46 AM   #4
schulteonline
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Looks like you are going to need to drill holes yourself and you should be able to use the OEM diffuser as a template. If you can't re-use the stock screws make sure you use stainless steel self tapping screws.

Not sure you big of hurry you are in but I can let you know how mine looks and give you the steps I use to install.
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