The B58 turbo breathes through the factory catalytic converter, the biggest bottleneck of the entire exhaust. This 4.5″ stainless steel downpipe removes it: 135 mm V-band at the turbo, 3″ at the exhaust, two connections for lambda sensors. Base for Stage 2 on the M140i, M240i, 340i and 440i.
Why TC
- 4.5″ diameter – flow the B58 turbo can really use
- 135 mm V-band joint – tight, no gaskets, quick to fit
- Two connections for lambda sensors, the factory electronics stay
- Stainless steel
Technical data
- Material: stainless steel
- Diameter: 4.5″
- Upper connection: V-band 135 mm
- Connection to the exhaust: 3″
- 2 connections for lambda sensor
- Without bracket (tab)
- Weight: 5 kg
- Intended for motorsport use; no type approval for road traffic.
Fits vehicles
- BMW 1 (F20/F21 LCI) M140i and M140i xDrive, 10.2015
- BMW 2 (F22/F23 LCI) M240i and xDrive, 10.2015
- BMW 3 (F30/F31/F34 GT LCI) 340i and xDrive, 09.2014
- BMW 4 (F32/F33/F36 LCI) 440i and xDrive, 04.2015
- BMW 5 (G30) 540i and xDrive, 10.2016–2019
- BMW 6 GT (G32) 640i and xDrive, 10.2016–02.2019
- BMW 7 (G12) 740i and xDrive, 2014–2019
- BMW X3 (G01) M40i, 2014–04.2019
- BMW X4 (G02) M40i, 2017–2019
Delivery time: 6–8 working days. Please check fitment using the vehicle selector before ordering; if in doubt, write to us.
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