BMW F30/F31 3 SERIES 2011-2015 CARBON FIBRE DIFFUSER – TWIN EXHAUST – V1
$369
CT Carbon brings you this stunning M Performance style full carbon fibre diffuser at just a fraction of the price. This will transform the rear end by giving the car a far more aggressive look. This one is made to fit the twin exit exhaust cars i.e. BMW 330i. Please Note: This product is ONLY compatible with M-Sport Bumpers
Compatible Models
- 2011 – 2015 BMW F30/F31 3 Series M-Sport – Twin Exit ONLY
CT Carbon brings you this stunning M Performance style full carbon fibre diffuser at just a fraction of the price. This will transform the rear end by giving the car a far more aggressive look. This one is made to fit the twin exit exhaust cars i.e. BMW 330i.
Please Note: This product is ONLY compatible with M-Sport Bumpers
Fitting
There are three ways to get your CT Carbon products fitted:
- Book in at our fitting facility in Hertfordshire, UK.
- Find a fitting partner near you and book in for fitting with them directly.
- Follow one of our fitting guides to install the products yourself.
For more information visit: ctcarbon.co/pages/fitting-1
Shipping & Warranty
All CT Carbon products come with a 12-24 month warranty. Full warranty information: ctcarbon.co/pages/warranty
Shipping
- Orders before 3pm GMT dispatched same day.
- Free UK delivery on all products.
- Worldwide delivery available.













































Sam Jenkins –
Mixed feelings on this one. The carbon weave on the diffuser looks good but the fitment on my BMW F30/F31 3 SERIES 2011-2015 needed quite a bit of work to get flush. Manageable if you know what you are doing, but not plug-and-play. Quality could be better at this price.
Alex Carter –
Good quality diffuser for the BMW F30/F31 3 SERIES 2011-2015. Took a bit of fiddling to get aligned perfectly but once it was on it looks great. Minor issue with one clip but overall very happy — good value for money.
Connor Phillips –
It is a good diffuser for the BMW F30/F31 3 SERIES 2011-2015 but not perfect. The fitment on one side is slightly off and there is a tiny bubble in the lacquer on one corner. CT Carbon offered to help when I raised it, which was good of them.
Scott Reynolds –
Stunning diffuser for the BMW F30/F31 3 SERIES 2011-2015. The glossy carbon finish really complements the car’s lines. Installation was straightforward and there are plenty of guides online. A genuine upgrade for the money.
Mike Anderson –
Top quality diffuser. Bought it for my BMW F30/F31 3 SERIES 2011-2015 and couldn’t be happier. The carbon matches the quality you’d see on professional race builds. Shipping was fast and packaging was solid.
Luke Edwards –
Love this diffuser for my BMW F30/F31 3 SERIES 2011-2015. The gloss finish is mirror-quality and the carbon weave is consistent all the way to the edges. Took about 30 minutes to fit with basic tools. Would absolutely order again.
Aiden Turner –
Pretty impressed with this diffuser. It looks fantastic on the BMW F30/F31 3 SERIES 2011-2015 and the quality is clearly better than budget alternatives. Minor deduction for a slight imperfection near one fixing point, but it is barely visible fitted.
Nathan Wright –
Just fitted the diffuser to my BMW F30/F31 3 SERIES 2011-2015 — absolutely transforms the look. Real carbon, not a wrap, and the difference in quality is obvious. Zero fitment issues. Free US shipping was a bonus I didn’t expect.
Tyler Brooks –
Solid diffuser for my BMW F30/F31 3 SERIES 2011-2015. The carbon quality is good and the weave is consistent. Shipping took a few extra days but CT Carbon were responsive when I emailed them. Would buy from them again.