Stainless steel downpipe for BMW 135i and 335i models with N55 engines. Designed to improve exhaust gas flow compared to the original system. The 3" / 76 mm diameter reduces restriction and offers greater performance potential. Equipped with connections for both the control and monitor lambda probes.
Advantages
• Improved exhaust gas flow
• More performance potential
• More direct throttle response
• High-quality stainless steel construction
• Connections for control and monitor lambda probe
Technical specifications
• Type: Downpipe
• Material: Stainless steel
• Diameter: 3" / 76 mm
• Lambda probe connections: control + monitor
• Mounting: bolt-on
Compatibility
• BMW 1 Series E82
– 135i
– Engine: N55
- Year of construction 2010 – 2013
• BMW 1 Series E88
– 135i
– Engine: N55
- Year of construction 2009 – 2013
• BMW 3 Series E90 / E91 / E92 / E93
– 335i (incl. xDrive / xi)
– Engine: N55
- Year of construction 2009 – 2013
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.