Stainless steel downpipe for BMW models with a B58 engine, designed to significantly improve exhaust gas flow compared to the original system. The large 4.5" diameter on the turbo side reduces restriction, resulting in greater performance potential and a more direct throttle response. Equipped with a V-band connection and lambda probe connections for correct installation.

Advantages

• Significantly improved exhaust gas flow
• More performance potential
• More direct throttle response
• Large 4.5" turbo side for minimal restriction
• Equipped with lambda probe connections

Technical specifications

• Type: Downpipe
• Material: Stainless steel
• Turbo side diameter: 4.5"
• Exhaust side connection: 3"
• Top connection: V-band clamp 135 mm
• Lambda probe connections: 2
• Mounting bracket: not included
• Mounting: bolt-on

Compatibility

• BMW 1-Series F20 / F21 LCI
– M140i (incl. xDrive)
– Year of construction 10.2015 –

• BMW 2-Series F22 / F23 LCI
– M240i (incl. xDrive)
– Year of construction 10.2015 –

• BMW 3-Series F30 / F31 / F34 GT LCI
– 340i (incl. xDrive)
– Year of construction 09.2014 –

• BMW 4-Series F32 / F33 / F36 LCI
– 440i (incl. xDrive)
– Year of construction 04.2015 –

• BMW 5-Series G30
– 540i (incl. xDrive)
- Year of construction 10.2016 – 2019

• BMW 6-Series G32 GT
– 640i (incl. xDrive)
- Year of construction 10.2016 – 02.2019

• BMW 7-Series G12
– 740i (incl. xDrive)
- Year of construction 2014 – 2019

• BMW X3-Series G01
– M40i xDrive
- Year of construction 2014 – 04.2019

• BMW X4-Series G02
– M40i xDrive
- Year of construction 2017 – 2019

Contents

• Stainless steel downpipe

Frequently Asked Questions

Is this downpipe street legal?
This depends on local regulations and the presence of catalytic converters. Always check this beforehand.

Can lambda sensors be mounted?
Yes, the downpipe is equipped with two lambda probe connections.

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