BMW M3/M4 (F80 F82 F83) Carbon Fibre Diffuser – V4
$1,321
CT Carbon brings this diffuser made from real carbon fibre to fit the BMW M3/M4 (F80 F82 F83) in PS style, finished in a high gloss
Estimated Delivery: Sep 29 – Oct 03
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Compatible Models
- 2014 –Â 2020 BMW F80 M3
- 2014 – 2020 BMW F82 M4
- 2014 – 2020 BMW F83 M4 Convertible
CT Carbon brings this diffuser made from real carbon fibre to fit the BMW M3/M4 (F80 F82 F83) in PS style, finished in a high glossÂ
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.







































































Owen Mitchell –
Ordered this diffuser for my BMW M3/M4 (F80 F82 F83) and I have zero complaints. The finish is immaculate, the weave is consistent and it was delivered faster than expected. Already planning my next order.
Ethan Clarke –
Reasonable quality for the money. The diffuser for my BMW M3/M4 (F80 F82 F83) does the job and looks decent. Not quite the perfection I was hoping for — one fixing tab snapped during fitting — but passable. Customer service was helpful when I queried.
Jake Robinson –
Absolutely perfect fit on my BMW M3/M4 (F80 F82 F83). The carbon quality is exactly as advertised — deep weave, high gloss and completely blemish-free. Took about 20 minutes to fit and looks factory. Very happy with CT Carbon Kits.
Chris Dawson –
High quality diffuser at a very fair price. Fitted it to my BMW M3/M4 (F80 F82 F83) last weekend and the result is superb — looks like it came straight from the factory. CT Carbon are now my go-to supplier.
Jordan White –
Blown away by the quality of this diffuser. My BMW M3/M4 (F80 F82 F83) looks completely different — proper motorsport aesthetic. No gaps, no misalignment. This is how aftermarket parts should be made.
Tom Barker –
Stunning diffuser for the BMW M3/M4 (F80 F82 F83). 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.