Carbon Fibre Performance Rear Diffuser for BMW M140i and M135i LCI (2015–2019) – F20 F21
Transform the rear of your BMW M140i or BMW M135i LCI with this premium carbon fibre performance rear diffuser. Designed for perfect OEM-style fitment on the F20 and F21 chassis, this direct-replacement rear diffuser adds aggressive, motorsport-inspired styling while showcasing your exhaust system. Engineered in CFRP with a 2x2 twill and a distinctive symmetrical V or herringbone centre weave often seen on supercars, it delivers the quality, precision and individuality your 1 Series deserved from factory.
We’ve fitted this diffuser ourselves and supplied it to many happy customers. The feedback is consistently excellent: great fitment, standout V-weave detail and a serious visual upgrade for both daily drivers and track-focused builds.
Why choose this BMW M140i and M135i LCI rear diffuser
- Direct replacement for the OEM rear diffuser on BMW M140i and M135i LCI F20 F21
- Premium carbon fibre construction (CFRP) with 2x2 twill and symmetrical V or herringbone centre weave
- Enhances rear-end definition and highlights performance exhausts
- Lightweight, rigid and built for long-term durability
- Fast, simple fitment with factory mounting points
- Ideal OEM plus styling upgrade for 2015, 2016, 2017, 2018 and 2019 models
What’s in the box
- 1 x Carbon Fibre (CFRP, 2x2 Weave with symmetrical V or Herringbone Twill) Performance Rear Diffuser
Compatibility
- BMW M135i LCI (2015–2017, F20 F21)
- BMW M140i (2015–2019, F20 F21)
Installation
Approximate install time: 10 minutes. On each end of the OEM diffuser there is one removable plastic rivet and one 8 mm hex bolt underneath. Remove both on each side, unclip and pull out the original diffuser. Transfer the reflectors from the OEM diffuser to your new carbon fibre performance diffuser, then refit in reverse. No cutting or drilling required.
Prefer professional fitting? Nforcd offers installation at our Warwickshire base. Request a quote: Sales@nforcd.com.
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