4.9  (500+ Reviews)
Nightline Performance

NightLine Carbon Fibre Rear Diffuser — BMW 1 Series F20/F21 LCI

£639.99£799.99 Save £160.00
Tracked
Delivery
Secure
Checkout
Buyer
Protection
Easy
Returns

Your F20 LCI's rear end is the last thing people see — make it count. The NightLine Carbon Fibre Rear Diffuser slots directly onto your M Sport twin exhaust bumper, giving the back end an aggressive, race-inspired finish that transforms the whole stance of the car.

Screw fitment, no cutting required.

Fits:

BMW 1 Series F20/F21 LCI (2015–2019)

Disclaimer: M Sport bumper models only. Not compatible with standard bumpers, single exhaust or quad exhaust bumpers (M135i/M140i).

Not sure if this fits your car? Send us your reg and we'll confirm before you order.

 

 
BMW 1 Series F20/F21 LCI (2015–2019) — M Sport Bumper & Twin Exhaust Models Only
Carbon Fibre Finish
Carbon fibre construction for a lightweight, premium finish
Direct Fit
Precision moulded for F20/F21 LCI M Sport twin exhaust bumpers — no cutting required
Screw Fitment
Secure screw installation for a solid, rattle-free fit
Fast Delivery
Tracked shipping on every order
Specifications
FITMENT: SCREW FIT FINISH: CARBON FIBRE
MATERIAL: CARBON FIBRE / FRP BUMPER TYPE: M SPORT TWIN EXHAUST ONLY
What's Included
  • Rear Bumper Diffuser
  • Fitting Screws
Verified Customers

WHAT OUR CUSTOMERS SAY

4.9 · Trusted by 500+ customers

ORDER FAQS

We dispatch all in-stock orders within 1–2 working days. UK delivery typically arrives within 3–5 working days via tracked courier. You'll receive a tracking link as soon as your order ships.
Compatible vehicles are listed on each product page. If you're unsure, drop us a message with your registration plate and we'll confirm fitment before you order. We'd rather you ask than return.
We offer 30-day hassle-free returns on all unused, uninstalled items in their original packaging. If a product doesn't fit or you've changed your mind, contact us and we'll sort it quickly.
We can't confirm whether any product will affect your manufacturer warranty as policies vary by company and dealership. We recommend checking with your warranty provider or dealership before fitting.
Most of our products are direct clip-on or plug-and-play replacements requiring no tools or modifications. Installation guides are included with every order. If you get stuck, our support team is here to help.
Yes — free tracked shipping on all UK orders over £50. Orders under £50 have a flat-rate delivery charge applied at checkout.