Supersprint BMW 1 Series F20/F21 M135i/M140i Valved Rear Exhaust Axle-Back | 80mm Tailpipes | Stainless Steel | PN 522324

Supersprint BMW 1 Series F20/F21 M135i/M140i Valved Rear Exhaust Axle-Back | 80mm Tailpipes | Stainless Steel | PN 522324

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Supersprint BMW F20 F21 Valved Rear Exhaust with 80 mm Tailpipes for M135i and M140i

Upgrade your BMW 1 Series sound and style with the Supersprint valved rear exhaust for the F20 F21 BMW M135i and M140i. This axle-back rear section delivers a deeper, sportier exhaust note with premium 80 mm tailpipes, precision-built to fit like factory using the original hangers. Engineered by Supersprint for performance, longevity and safety, this is the BMW M135i exhaust and BMW M140i exhaust upgrade enthusiasts search for when they want quality, tone and perfect fitment.

  • Direct-fit valved rear exhaust for BMW F20 F21 M135i and M140i
  • 80 mm tailpipes for a bold, OEM+ finish
  • Refined sporty sound from a unique, model-specific silencer design
  • Uses factory mounting points and hangers with no chassis or mechanical modifications
  • Constructed from genuine European AISI 304 and AISI 409 high-grade stainless steel
  • Designed with ideal tubing layout and excellent thermal isolation
  • Complies with strict JASO safety requirements on fire risk
  • Backed by a 3-year, unlimited mileage warranty
  • Supersprint Part Number: 522324

Why choose this Supersprint rear section

Supersprint develop and optimise the rear section first to transform sound and response while maintaining comfort. The carefully selected piping sections and bespoke internal silencer design are dedicated to the BMW F20 F21 platform, giving your M135i or M140i a purposeful tone without drone. The outlet style and 80 mm tailpipes add a clean, performance look that suits the 1 Series perfectly.

Built from European AISI 304 and AISI 409 stainless steel with precisely chosen material thicknesses, this system is made for long-term durability well beyond stock equipment. Every safety consideration demanded by vehicle manufacturers is respected, including routing and heat management around sensitive components.

Fitment and compatibility

  • BMW 1 Series F20/F21 M135i 2012 to July 2013
  • BMW 1 Series F20/F21 M140i

To be installed as a kit with: 524212 and 988603 or 988613.

Installation

Straightforward bolt-on fitment that reuses the stock hangers. No cutting to the chassis and no modifications to mechanical parts are required. Professional fitting is available at Nforcd in Warwickshire. To request a fitting quote, email Sales@nforcd.com.

Real-world results from Nforcd

We have installed this Supersprint BMW M135i and BMW M140i valved rear exhaust on customer cars and feedback has been consistently excellent for sound quality, finish and fitment. It is a popular BMW 1 Series F20 F21 exhaust upgrade for owners who want premium tone, quality stainless steel construction and an OEM-level install.

Manufacturer and warranty

Manufactured by: Supersprint

Warranty: 3-year warranty

Key search terms

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