BMW G20/G21 3 SERIES LCI 340I GLOSS BLACK REAR DIFFUSER (SQUARE EXHAUST)
$131
BLAK by CT brings this BMW G20 3 Series LCI GLOSS BLACK rear diffuser for the 340i, made from high-quality ABS plastic & finished in GLOSS BLACK. Please Note: This product is ONLY compatible with M-Sport Bumpers
Estimated Delivery: Aug 13 – Aug 17
... people are viewing this right now
Compatible Models
- 2022+ BMW G20 3 Series LCI M-Sport
- 2022+ BMW G21 Touring 3 Series LCI M-Sport
BLAK by CT brings this BMW G20 3 Series LCI GLOSS BLACK rear diffuser for the 340i, made from high-quality ABS plastic & finished in GLOSS BLACK.
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.































Dylan Morris –
Just fitted the diffuser to my BMW G20/G21 3 SERIES LCI — 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.
Ben Thompson –
Reasonable quality for the money. The diffuser for my BMW G20/G21 3 SERIES LCI 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.
Brandon Lee –
Top quality diffuser. Bought it for my BMW G20/G21 3 SERIES LCI and couldn’t be happier. The carbon matches the quality you’d see on professional race builds. Shipping was fast and packaging was solid.
Jake Robinson –
Exactly what I needed for my BMW G20/G21 3 SERIES LCI build. The diffuser is flawless — perfect carbon weave, no bubbles, no orange peel in the lacquer. You can tell it has been made properly. 10/10.
Ryan Caldwell –
Love this diffuser for my BMW G20/G21 3 SERIES LCI. 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.
Jordan White –
Pretty impressed with this diffuser. It looks fantastic on the BMW G20/G21 3 SERIES LCI 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.