MTV1 Carbon Fiber Rear Diffuser (Quad Exhaust) - Compatible with BMW 5 Series (F10/F11)

Specification:

• Style - MTV1 Rear Diffuser For Quad Exhaust Conversions
• Material - CFRP Carbon Fiber
• Finish - UV Resistant Gloss Resin Coating
• Tested for precise fitment on factory body panels.
• Hand-Finished Product
• M Sport Models Only

Contents:

• M Tech Style Rear Diffuser
• Installation Fixings

This product is an aftermarket component and is not manufactured by or affiliated with BMW AG.

We've Got You Covered

We guarantee that all products listed with vehicle compatibility have been designed using manufacturer-matched data, precision moulds, or verified test-fitment on supported models. If the item you receive does not fit the vehicle stated on the product page, we will work with you to resolve the issue with priority.

Before You Order

Please make sure your vehicle matches the exact model, year, body style, and chassis code shown on the product page. Our team is always available to confirm compatibility if you are unsure.

If There's an Issue

Contact us within 14 days with photographic evidence of the fitment issue, including proof that the product was installed by a qualified professional following the correct procedure. We will provide a replacement or solution in line with our fitment guarantee process.

Our Promise

In the rare event a product does not fit your compatible vehicle, and the correct installation procedure has been followed by a qualified professional, we will fully support you. We'll cover the return shipping and provide either a replacement product or a full refund.

Exclusions

Custom and made-to-order products are excluded from the fitment guarantee. Please verify all specifications before placing custom orders.

Warranty

All Twenty Two Tuning and EXL Design products come with a 1-year warranty against manufacturing defects. Merchandise (clothing, accessories) is covered for 6 months. Performance products from third-party brands carry their own manufacturer warranty — check individual listings for details. Custom and made-to-order products are not covered by warranty.

If a manufacturing defect is confirmed, we will repair or replace the product free of charge.

Not Covered

Accidents, improper installation, external factors, normal wear and tear, shipping costs, labour costs for removal or reinstallation, and any consequential loss or damage resulting from the defect.

Making a Claim

To make a warranty claim, you will need to provide: your order number, evidence of professional installation, proof that the issue is a manufacturing defect (not customer damage or misuse), and proof of purchase from Twenty Two Tuning.

View Full Warranty Policy →

Custom Orders

Custom and made-to-order products may be returned subject to a 50% restocking fee. Returns are not accepted on custom items where production is complete and the product meets specification.

Shipping

Free Worldwide Shipping: All orders include free tracked shipping. Import duties and taxes are the responsibility of the customer.

Stock & Availability: Items are not always held in stock. Please contact us for availability before ordering.

Receiving Your Order: Inspect items before signing. Do not accept damaged goods, as we cannot cover return shipping costs once accepted.

Import & Clearance: You are the importer of record and responsible for customs clearance. Failure to clear items may result in return or destruction, with any related costs deducted from refunds (if applicable).

Off-Road Use Only

Unless explicitly stated otherwise, all products sold by Twenty Two Tuning are designated for off-road or motorsport use only and may not be legal for use on public roads. It is solely the customer's responsibility to determine the legality of installing or using any product in their jurisdiction, including compliance with all local, state, federal, and environmental laws.

No Warranty of Road Legality

Twenty Two Tuning makes no representation, implicit or explicit, regarding the road legality of any product. We are not responsible for any fines, fees, penalties, costs, or damages incurred as a result of improper or unlawful use.

Professional Installation Required

All products should be installed by a qualified professional. Twenty Two Tuning accepts no liability for vehicle damage, personal injury, or any other loss arising from incorrect installation, misuse, or modification of our products. Purchase and use of any product constitutes acceptance of these terms, and all risk is assumed by the customer.

All brand names, logos, and trademarks referenced are the property of their respective owners. This product is not manufactured by, or affiliated with, BMW AG or any of its subsidiaries. It is an aftermarket component designed for compatibility purposes only.