Supersprint Stainless Steel Rear Silencer Back Box Muffler Axle-Back/Rear Section Exhaust for BMW 1 Series 135i N54 (E82 Coupe/E88 Convertible) 2007-2010 | Performance Sports Sound | ECE Approved MOT Legal UK Road Use

Premium stainless steel rear silencer upgrade for BMW 1 Series 135i N54

Unlock a richer, sportier tone and quality craftsmanship with this Supersprint rear section for the BMW 135i N54. Engineered as a direct replacement back box, it delivers a refined performance soundtrack without compromising everyday usability.

Why choose this rear box

• Stainless steel construction for durability and long service life
• Sporty, engaging sound that enhances the character of the N54 twin‑turbo 3.0
• ECE approved and MOT compliant for UK road use
• Straightforward, bolt‑on fitment for hassle‑free installation

Fitment

Designed specifically for BMW 135i models with the N54 engine, build years 2007 to April 2010. Fits E82 Coupé and E88 Convertible variants.

Note: N54 only. Not suitable for later N55 models.

What enthusiasts love

We have fitted this Supersprint rear silencer for numerous customers and the feedback has been consistently positive. Owners praise the deeper, more purposeful note and the premium finish. It is a popular upgrade for those seeking a quality axle‑back solution that stays road legal.

Search terms and alternatives

If you are looking for a performance rear box, muffler, back box, rear section or axle‑back for BMW 135i N54 E82 E88, this Supersprint option is a perfect match. Ideal for 2007, 2008, 2009 and early 2010 1 Series 135i enthusiasts wanting a stainless steel sports sound upgrade that remains MOT friendly.

Professional fitting

Want it installed by specialists We offer expert fitting at MJ Modifications in Warwickshire. Request a quote: info@mjmodifications.co.uk.

Order with confidence and give your 135i the voice it deserves with a trusted Supersprint rear silencer.