Stainless steel downpipe for BMW models with the N55 engine, designed to significantly improve exhaust gas flow compared to the original system. The large 100 mm diameter reduces restriction, offering greater performance potential and a more direct throttle response. It is equipped with connections for both the control and monitor lambda probes.

Advantages

• Significantly improved exhaust gas flow
• More performance potential
• More direct throttle response
• Large 100mm diameter
• Connections for control and monitor lambda probe

Technical specifications

• Type: Downpipe
• Material: Stainless steel
• Diameter: 100 mm
• Lambda probe connections: control + monitor
• Mounting: bolt-on

Compatibility

• BMW 1 Series F20 / F21
– M135i, M135i xDrive
– Power: 235 / 240 kW
– Engine: N55
– Year of construction 2013 –

• BMW 2-Series F22 / F23 / F87
– M235i (240 kW), M2 (272 kW)
– Engine: N55

• BMW 3 Series F30 / F31 / F34
– 335i / 335i xDrive
– Power: 225 / 240 / 250 kW
– Engine: N55

• BMW 4 Series F32 / F33 / F36
– 435i / 435i xDrive
– Power: 225 / 250 kW
– Engine: N55

Contents

• Stainless steel downpipe

Frequently Asked Questions

Is this downpipe street legal?
This depends on local regulations and the design of the exhaust system. Always check this beforehand.

Can both lambda sensors be mounted?
Yes, the downpipe is equipped with connections for both control and monitor lambda probes.

Is ECU tuning recommended?
Yes, an ECU modification is recommended for optimal operation and maximum performance.