Scorpion De-Cat Downpipe BMW M135i 2012-June 2013 Models

Unleash the power and noise from your N55 M135i.

Scorpion Exhausts have now completed development on a turbo down pipe application for BMW’s M135i.

To support the cat-back system technicians developed a high flow 76 mm / 3 Inch De-cat turbo downpipe for maximum tuning capabilities.

This De-cat Downpipe will fit either your existing OEM system or aftermarket system (With OEM fitting flanges).


To aid in tuning your N55 Engine, a de-cat downpipe will further increase performance with improved exhaust flow. This will help your engine breathe whilst improving exhaust noise.

Pipe Diameter – 76MM (3″)

Key Features / Points:

  • Improved Performance
  • Superior Engineering
  • Lifetime Warranty (For Original Purchaser)
  • Fitting Instructions Included

Will not fit to models built after June 2013, please see our other items for this model. Engine management light may be activated, Stage 2 ECU remap recommended


For More Tuning Parts For your 140i Please see Here – 1 Series LCi Tuning

About Scorpion


Thanks for your interest in the Scorpion brand. Whether you invest or not, it’s great to have this opportunity to tell a little of the Scorpion story and why we have become known as ‘the enthusiasts brand’.
In today’s ultra-competitive environment, it’s important we anticipate your needs and surprise you with a constant stream of great ideas which are relevant for the way you ride and drive. And in order to do that we should have not just an understanding – but a passion – for bikes and cars.
Those who have made the trip through Derbyshires countryside to our manufacturing facility will first be struck by the rows of performance bikes and cars lined up outside. These are not customers vehicles, but staff – designers, Motorsport specialists, engineers, R&D technicians and road testers.
All automotive enthusiasts, all ultra professional yet very approachable people who all follow the same Scorpion philosophy – that only by knowing our customers and their needs well, can we deliver exceptional user experiences.
Peer into the works and you will see individual customer exhausts being crafted by automotive engineers, and quality control technicians checking every component that goes out through our doors.
The teams meticulous attention to detail and superior engineering skills put Scorpion at the very top in terms of construction quality and reliability. But the real difference is the way a Scorpion feels. No other exhaust feels like a Scorpion because no other exhaust is created with our passion. And that’s one thing which can never be copied.