4.9
Nightline Performance

NightLine Dry Carbon Rear Bumper Diffuser — BMW M3/M4 G80/G82/G83

£499.99
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Transform the rear end of your BMW M3 or M4 with the NightLine Dry Carbon Rear Bumper Diffuser. Crafted from real dry carbon fibre, this diffuser delivers an aggressive, race-inspired finish with the lightweight premium quality that sets it apart from ABS alternatives.

  • Real dry carbon fibre construction — lightweight and premium
  • Perfect fitment for BMW M3/M4 G80/G81/G82/G83
  • Available in EU Style and OEM colour options
  • Single piece design — straightforward installation
  • Enhances rear aerodynamics and visual aggression

Note: Product made upon-order, Once placed you may not cancel your order. Please allow 3-5 Weeks on top of original shipping time for the product to be manufactured.

Fits: BMW M3 G80 / M3 Touring G81 / M4 G82 / M4 Convertible G83

BMW M3 G80 / M3 Touring G81 / M4 Coupe G82 / M4 Convertible G83

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Real Dry Carbon Fibre
Not ABS, not forged — real dry carbon fibre construction for a lightweight, premium finish that looks and feels factory.
Perfect Rear Fitment
Designed specifically for G80, G81, G82 and G83 models — slots in cleanly with no cutting or modifications needed.
Race-Inspired Aero
EU Style diffuser design channels airflow efficiently under the rear bumper for improved downforce and an aggressive stance.
EU Style Design
Finished in the popular EU Style design — a clean, aggressive diffuser profile that complements the M3/M4's rear end without looking overdone.
Specifications
Material: Dry Carbon Fibre Weight: 3kg
Dimensions: 131x28x15cm Fitment: Direct Bolt-On
What's Included
  • 1x Dry Carbon Rear Bumper Diffuser
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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.
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