Widebody kits for BMW M3 — UK fitment & supply
Bespoke widebody conversions, bolt-on arches, aero elements, wheel fitment and full build support across the UK. Designed for performance and road legality.
Why choose our widebody kits
Frisch-Startde sources panels from proven OEM-grade suppliers and offers in-house trimming, flaring and bolt-on options to keep installations reversible where required. We advise on MOT compatibility, emissions-safe exhaust routing and ECU mapping for tuned setups.
- Precision fitment for wheel offset and tyre choice
- UV-stable paint-ready primed panels
- Track or road-focused variants
Available widebody packages
Classic GT
Subtle +30mm arches, steel mounting points, lightweight splitter options.
Track Pro
Aggressive +60mm arches, vented panels, reinforced inner wings for hardcore fitment.
Carbon Edition
Carbon fibre fenders, diffusers, optional bonnet with vents — weight saving where it matters.
Technical comparison
| Package | Arch increase | Material | Lead time | Est. labour |
|---|---|---|---|---|
| Classic GT | +30mm | FRP | 2–3 weeks | 2–3 days |
| Track Pro | +60mm | FRP / reinforced | 3–5 weeks | 4–6 days |
| Carbon Edition | +50mm | Carbon | 4–8 weeks | 5–7 days |
Note: labour estimates exclude paint and wheel/tyre fitting. We advise pre-booking wheel alignment and mapping sessions together.
FAQ
Gallery
Build team & testimonial
Our lead fabricator coordinates trim, reinforcing and final alignment. Clients value our pragmatic approach to keeping modifications serviceable and road-safe.
"Had my M3 widebody fitted and the team handled paint coordination, wheel fitment and an ECU tune — balanced and reliable on track." — J. Parker, LondonSpeak to our fabricator
Workshop & fitment centre
Ready to quote your M3 widebody?
Send photos and desired spec via our contact page and we will respond with options and a ballpark cost.