Taking this one step further, AET installed Burger Motorsport JB4 and the EWG loom and ran dyno power runs on map 1,2 and 5. Fits - BMW M140i (F20 & F21 LCI) Performance Exhaust - AUTO gearbox only - 2015 onward.
eBay
Fits - BMW M140i (F20 & F21 LCI) & M240i (F22 LCI) Performance Exhaust -High Flow Turbo Down Pipe with High Flow Sports Catalyst - Manual & Auto Gearbox. Part Code - BM85. The flow sports catalyst option includes a 4.5in/114.3mm 200 cell high flow sports catalyst matched with 4.5"/114.3mm reducing to 3"/76.2mm pipework.
eBay
Fits: BMW 1 Series M140i 3 & 5 Door (F20 & F21 LCI – Non-OPF models only) 2015 to 2018. Milltek Cat Back Non Resonated Exhaust System. By fitting Milltek exhaust components you can rest assured that these are very high quality, high-performance parts that will in most cases outlive the car.
eBay
Fits: BMW 1 Series M140i 3 & 5 Door (F20 & F21 LCI – Non-OPF models only) 2015 to 2018. Milltek Cat Back Resonated Exhaust System. By fitting Milltek exhaust components you can rest assured that these are very high quality, high-performance parts that will in most cases outlive the car.
eBay
Fits: BMW M135i, M140i, M235i, M240i, 340i, 440i. 60mm Inlet, 93mm Outlet (3.5"). Material: Real carbon fibre shell with stainless steel inner.
eBay
M235i - M240i F22 F23 2014-19. M135i - M140i F20 F21. 435i - 440i F32 F33 F36 2014-19. 335i - 340i F30 F31 2012-18. 335i - 335d E90 E91 E92 E93 2005-2012. 304 BRUSHED MATTE SILVER STAINLESS STEEL. OTHER MODELS OF CAR TOO BUT CHECK YOUR SIZES AGAINST OURS FIRST.
eBay
Fits: BMW 1 Series M140i 3 & 5 Door (F20 & F21 LCI – Non-OPF models only) 2015 to 2018. Milltek Non Resonated Cat Back Exhaust System. By fitting Milltek exhaust components you can rest assured that these are very high quality, high-performance parts that will in most cases outlive the car.
eBay
2x carbon flip -blending -blind tailpipes suitable for 1 Series BMW F20 F21 M135i M140i.
eBay