This is a downpipe to fit the N55 single engine which was fitted to the high performance versions of the 1 Series and 3 Series.

Option 1 is the preferred method as it will also allow the engine to fully take advantage of the improved flow and maximise the power.

Key features

• Vehicle-specific fitment: BMW 1-Series (E81/2/7/8) — 07-13
• Straight-through replacement section
• 4″ / 104mm pipework · Stainless Steel construction · TIG-welded joints
• Fitting kit included

Sound and character

In addition to an improving and deepening the exhaust note, this downpipe adds power and minimises turbo lag, making the awesome N55 engine even more responsive.

Design features

CNC-machined V-band flanges provide secure connections at the turbo outlets.

Fitment notes

Fits 07–13 BMW 1-Series (E81/2/7/8) models using engine code N55.

Important: These fit the cars made between 2011 and 2012, if you are unsure on fitment just ask.

Catless Downpipes Features: Typical gains will be around 10 – 30bhp depending on other mods Laser cut Stainless cat-back flanges, and CNC’d Stainless V-Band flanges 100% TIG welded Large bore, for maximum flow Fits: E82 and E88 1 series with N55 engine E90 and E92 3 series with N55 engine Because this will remove a catalytic converter it is not road legal in the UK. It is also likely to bring on an engine management light, there are 2 solutions to remove this, 1/ have the car remapped 2/ fit engine light cheater to the lambda sensors. If you choose option 2 then ask for the link to the cheaters.

What’s in the box?

• 1 × Two-Piece Turbo Downpipe Assembly
• 2 × Gaskets
• 1 × Fitting Kit