F2x M135i/M140i

Upgrades for BMW M135i/M140i (F20/F21). High-flow downpipes, intercoolers, charge pipes, suspension and braking improvements for road and track builds.

Shop Related Upgrades

Downpipes | Intercoolers | Charge Pipes | Springs | Brake Pads | ECU Tuning

FAQs
What are the best first mods for an M135i/M140i?

Popular upgrades include downpipes, intercoolers, charge pipes, and springs.

Is the B58/N55 reliable when tuned?

Yes — with proper cooling upgrades and regular maintenance.

Do F20/F21 parts fit both LCI and pre-LCI models?

Most performance parts fit both, but always check product fitment to confirm.

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132 products

PFF5-4655BLK – Transmission Mounting Bush – M135i M140i M235i M240i M2 M3 M4
Save £14.58
EBC Brake Lines – BMW F2X F3X Series (BLA1193-4L)
EBC
EBC Brake Lines – BMW F2X F3X Series (BLA1193-4L) Sale price£105.42 Regular price£120.00
Remus Cat-Back Exhaust System with Carbon Tips – BMW F20 M135i (2015+)
Save £15.00
Mishimoto Ignition Coil Kit (6) – BMW M54 / N20 / N52 / N54 / N55 / N62 / S54 / S62 (MMIG-BMW-0206)
Save £40.00
MMX Lowering Springs – BMW F2x M135i / M235i / M140i / M240i
Cobra Sport Front Pipe / Sports Cat – BMW M140i (F20 / F21 LCI)
Cobra Sport 3" De-Cat Downpipe – BMW M140i / M240i (B58)
Scorpion Exhaust – BMW M140i (F20 / F21) Non-Resonated Cat-Back System
Scorpion Exhausts Non-Resonated Cat-Back System – Black Ceramic Tips – BMW M140i
Cobra BMW M140i Resonator / GPF / PPF Delete Performance Exhaust
N55 Essentials Package
Bosch Ignition Coil Pack – BMW N55 & S55
Genuine BMW B58TU High Power Spark Plug – 12122455258 – M140i / M240i / M340i / 340i / 440i / X5 40i
Genuine BMW Cabin Air Filter – 64119237555 – F20 / F21 / F22 / F23 / F30 / F31 / F32 / F33 / F36
Genuine BMW B48 / B58 Replacement Air Filter – 13718605164 – F20 / F21 / F22 / F23 / F30 / F31 / F32 / F33 / F36
Genuine BMW Oil Filter – 3.0 Petrol B58 & 3.0 Diesel B57 – 11427826799 > 11425B4C845
Genuine BMW Rear Brake Pads – 34216887576 – 1 / 2 / 3 / 4 Series (M135i / M140i / M235i / M240i / 335i / 340i / 435i / 440i)
Genuine BMW M Sport Front Brake Pads – 34116878876 – 1 / 2 / 3 / 4 Series (M135i / M140i / M235i / M240i / 335i / 340i / 435i / 440i)
Genuine BMW Rear Brake Disc – 34206898719 – 1 / 2 / 3 / 4 Series (M135i / M140i / M235i / M240i / 335i / 340i / 435i / 440i)
Genuine BMW Front Brake Disc – 34116792223 – 1 / 2 / 3 / 4 Series (M135i / M140i / M235i / M240i / 335i / 340i / 435i / 440i)
Save £15.00
Genuine BMW M Performance Underbody Chassis Brace Kit – F20 / F21 / F22 M135i & M140i
Genuine BMW M Performance Limited Slip Differential (LSD) – M135i / M140i / M235i / M240i / 340i / 440i
Sold outSave £34.00
Dorch Engineering B58 Gen1 Flex Fuel ECA – Plug & Play
Sold outSave £55.00
Dorch Engineering B58 Gen1 DS3 HPFP Upgrade
Dorch Engineering
Dorch Engineering B58 Gen1 DS3 HPFP Upgrade Sale price£1,795.00 Regular price£1,850.00