F3x 335i/340i

Upgrades for the BMW F30/F31/F32/F33 335i and 340i. B58 and N55 performance parts including exhaust, cooling, suspension and intake components.

Shop Related Upgrades

Downpipes | Intercoolers | Charge Pipes | Springs | Anti Roll Bars | Brake Pads

FAQs
Which is better for the 435i/440i — decat or sports cat?

Decats offer maximum flow; sports cats retain road compliance while still improving power.

Do the 435i/440i suffer heat-soak?

Yes — upgraded intercoolers help maintain consistent power.

What suspension upgrades improve handling most?

Springs and anti-roll bars give the biggest improvement for daily and spirited driving.

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115 products

Cobra Sport Front Pipe / Sports Cat – BMW M140i (F20 / F21 LCI)
Cobra Exhausts
Cobra Sport Front Pipe / Sports Cat – BMW M140i (F20 / F21 LCI) Sale price£730.00
Cobra Sport 3" De-Cat Downpipe – BMW M140i / M240i (B58)
Cobra Exhausts
Cobra Sport 3" De-Cat Downpipe – BMW M140i / M240i (B58) Sale price£464.00
Cobra BMW M140i Resonator / GPF / PPF Delete Performance Exhaust
Cobra Exhausts
Cobra BMW M140i Resonator / GPF / PPF Delete Performance Exhaust Sale price£420.00
N55 Essentials Package
Track Warrior Mods
N55 Essentials Package Sale price£769.00
Bosch Ignition Coil Pack – BMW N55 & S55
NGK
Bosch Ignition Coil Pack – BMW N55 & S55 Sale price£39.00
Genuine BMW B58TU High Power Spark Plug – 12122455258 – M140i / M240i / M340i / 340i / 440i / X5 40i
BMW
Genuine BMW B58TU High Power Spark Plug – 12122455258 – M140i / M240i / M340i / 340i / 440i / X5 40i Sale price£139.00
Genuine BMW Cabin Air Filter – 64119237555 – F20 / F21 / F22 / F23 / F30 / F31 / F32 / F33 / F36
BMW
Genuine BMW Cabin Air Filter – 64119237555 – F20 / F21 / F22 / F23 / F30 / F31 / F32 / F33 / F36 Sale price£69.00
Genuine BMW B48 / B58 Replacement Air Filter – 13718605164 – F20 / F21 / F22 / F23 / F30 / F31 / F32 / F33 / F36
BMW
Genuine BMW B48 / B58 Replacement Air Filter – 13718605164 – F20 / F21 / F22 / F23 / F30 / F31 / F32 / F33 / F36 Sale price£49.00
Genuine BMW Oil Filter – 3.0 Petrol B58 & 3.0 Diesel B57 – 11427826799 > 11425B4C845
BMW
Genuine BMW Oil Filter – 3.0 Petrol B58 & 3.0 Diesel B57 – 11427826799 > 11425B4C845 Sale price£35.00
Genuine BMW Rear Brake Pads – 34216887576 – 1 / 2 / 3 / 4 Series (M135i / M140i / M235i / M240i / 335i / 340i / 435i / 440i)
BMW
Genuine BMW Rear Brake Pads – 34216887576 – 1 / 2 / 3 / 4 Series (M135i / M140i / M235i / M240i / 335i / 340i / 435i / 440i) Sale price£129.00
Genuine BMW M Sport Front Brake Pads – 34116878876 – 1 / 2 / 3 / 4 Series (M135i / M140i / M235i / M240i / 335i / 340i / 435i / 440i)
BMW
Genuine BMW M Sport Front Brake Pads – 34116878876 – 1 / 2 / 3 / 4 Series (M135i / M140i / M235i / M240i / 335i / 340i / 435i / 440i) Sale price£149.00
Genuine BMW Rear Brake Disc – 34206898719 – 1 / 2 / 3 / 4 Series (M135i / M140i / M235i / M240i / 335i / 340i / 435i / 440i)
BMW
Genuine BMW Rear Brake Disc – 34206898719 – 1 / 2 / 3 / 4 Series (M135i / M140i / M235i / M240i / 335i / 340i / 435i / 440i) Sale price£269.00
Genuine BMW Front Brake Disc – 34116792223 – 1 / 2 / 3 / 4 Series (M135i / M140i / M235i / M240i / 335i / 340i / 435i / 440i)
BMW
Genuine BMW Front Brake Disc – 34116792223 – 1 / 2 / 3 / 4 Series (M135i / M140i / M235i / M240i / 335i / 340i / 435i / 440i) Sale price£299.00
Genuine BMW M Performance Limited Slip Differential (LSD) – M135i / M140i / M235i / M240i / 340i / 440i
BMW
Genuine BMW M Performance Limited Slip Differential (LSD) – M135i / M140i / M235i / M240i / 340i / 440i Sale price£1,895.00
Sold outSave £34.00
Dorch Engineering B58 Gen1 Flex Fuel ECA – Plug & Play
Dorch Engineering
Dorch Engineering B58 Gen1 Flex Fuel ECA – Plug & Play Sale price£565.00 Regular price£599.00
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
Sold outSave £50.00
Dorch Engineering B58 Gen1 DS25 HPFP Upgrade
Dorch Engineering
Dorch Engineering B58 Gen1 DS25 HPFP Upgrade Sale price£1,300.00 Regular price£1,350.00
Ferodo DS2500 Rear Brake Pads – BMW M2 / M3 / M4 & M Lite
Ferodo Brakes
Ferodo DS2500 Rear Brake Pads – BMW M2 / M3 / M4 & M Lite Sale price£157.00
Ferodo DS2500 Front Brake Pads – BMW M2 / M3 / M4 & M Lite
Ferodo Brakes
Ferodo DS2500 Front Brake Pads – BMW M2 / M3 / M4 & M Lite Sale price£177.00
Save £21.00
NGK 94201 Performance Spark Plugs – BMW B58 (Pack of 6)
NGK
NGK 94201 Performance Spark Plugs – BMW B58 (Pack of 6) Sale price£99.00 Regular price£120.00
EBC Brake Discs & Pads Track Package – BMW F-Series M Lite
EBC
EBC Brake Discs & Pads Track Package – BMW F-Series M Lite Sale priceFrom £675.00
Save £10.00
EBC GD Sport Rear Brake Discs – BMW F-Series M135i / M140i / M235i / M240i / 335i / 440i
EBC
EBC GD Sport Rear Brake Discs – BMW F-Series M135i / M140i / M235i / M240i / 335i / 440i Sale price£560.07 Regular price£570.07
Save £10.00
EBC GD Sport Front Brake Discs – BMW F-Series M135i / M140i / M235i / M240i / 335i / 440i
EBC
EBC GD Sport Front Brake Discs – BMW F-Series M135i / M140i / M235i / M240i / 335i / 440i Sale price£629.94 Regular price£639.94
Sold outSave £10.00
EBC USR Slotted Rear Brake Discs – BMW F-Series M135i / M140i / M235i / M240i / 335i / 440i
EBC
EBC USR Slotted Rear Brake Discs – BMW F-Series M135i / M140i / M235i / M240i / 335i / 440i Sale price£166.94 Regular price£176.94
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