Engine Performance & Servicing

BMW M340i Engine Tuning Parts (G20 & G21)

Modify & maintain your BMW G20 / G21 M340i's B58 engine with our range of engine parts. Shop servicing, intakes & more.

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Genuine BMW B58 Engine Service Pack For BMW G42 M240i, G20/G21 M340i & G22/23/G26 M440i
Genuine BMWGenuine BMW B58 Engine Service Pack For BMW G42 M240i, G20/G21 M340i & G22/23/G26 M440i
From £179.86GBP £195.50GBP
MMX BMW S58 & B58 High Performance Ignition Coil Pack MMX BMW S58 & B58 High Performance Ignition Coil Pack
MMXMMX BMW S58 & B58 High Performance Ignition Coil Pack
£35.99GBP

3 colors available
Eventuri BMW M340i xDrive B58 V2 Intake System In Carbon Fibre (G20/G21)-R44 Performance Eventuri BMW M340i xDrive B58 V2 Intake System In Carbon Fibre (G20/G21)-R44 Performance
EVENTURIEventuri BMW M340i xDrive B58 V2 Intake System In Carbon Fibre (G20/G21)
£1,399.00GBP
Save £52.00
FTP BMW G20 M340i & Toyota GR Supra B58 Intake Pipe
FTPFTP BMW G20 M340i & Toyota GR Supra B58 Intake Pipe
£207.99GBP £259.99GBP
Save £70.00
FTP BMW B58 Gen 2 Charge Pipe - R44 Performance FTP BMW B58 Gen 2 Charge Pipe - R44 Performance
FTPFTP BMW B58 Gen2 3.0T Charge Pipe For BMW G42 M240i, G20 M340i, Toyota GR Supra & more
£279.99GBP £349.99GBP
Save £443.42
Pure Turbos BMW G Series B58 PURE 800 Stage 2 Turbo - R44 Performance
Pure TurbosPure Turbos BMW G Series B58 PURE 800 Stage 2 Turbo
From £2,512.71GBP £2,956.13GBP
Save £487.09
Pure Turbos BMW G Series B58 PURE 850 Stage 2 Turbo - R44 Performance
Pure TurbosPure Turbos BMW G Series B58 PURE 850 Stage 2 Turbo
From £2,760.15GBP £3,247.24GBP
Save £27.00
Leib BMW B58 OPF Delete Cables (F20/F22/F30/F32/G20/G22/G42)-R44 Performance
LEIB EngineeringLeib BMW B58 OPF Delete Cable (F20/F22/F30/F32/G20/G22/G42)
£152.99GBP £179.99GBP
Save £54.00
Leib BMW G Series & F Series CAN MIL Delete Module For OPF & Cat Errors
LEIB EngineeringLeib BMW G Series & F Series CAN MIL Delete Module For OPF & Cat Errors
£305.99GBP £359.99GBP
Save £100.50
Leib BMW G Series B58 B48 CatOPF Delete With CAN BUS Pro Functions - R44 Performance
LEIB EngineeringLeib BMW M240i/M340i/M440i B58/B48 Cat/OPF Delete Kit With CAN BUS Pro Functions (G42/G20/G22/F40/F44)
£569.49GBP £669.99GBP
Save £78.00
Leib BMW G Series CAN BUS Pro 1 Valve (G42/G20/G22 etc)-R44 Performance Leib BMW G Series CAN BUS Pro 1 Valve (G42/G20/G22 etc)-R44 Performance
LEIB EngineeringLeib BMW G Series CAN BUS Pro 1 Valve (G42/G20/G22 etc)
£441.99GBP £519.99GBP
MMX BMW B58 & B48 Panel Air Filter For BMW G20, G21, G22, G23, G26 & G42 MMX BMW B58 & B48 Panel Air Filter For BMW G20, G21, G22, G23, G26 & G42
MMXMMX BMW B58 & B48 Panel Air Filter For BMW G20, G21, G22, G23, G26 & G42
£78.61GBP
Save £6.60
Ramair PPF-9774 BMW B58 Replacement Panel Air Filter For G20 M340i, G29 Z4 M40i & more Ramair PPF-9774 BMW B58 Replacement Panel Air Filter For G20 M340i, G29 Z4 M40i & more
RamairRamair PPF-9774 BMW B58 Replacement Panel Air Filter For G20 M340i, G29 Z4 M40i & more
£37.39GBP £43.99GBP
Save £118.80
CSF BMW B58 Gen2 Radiator For BMW G Series & Toyota Supra CSF BMW B58 Gen2 Radiator For BMW G Series & Toyota Supra
CSFCSF Radiators BMW B58 Gen2 High Performance Heat Exchanger With Rock Guard For BMW G Series & Toyota Supra
£673.20GBP £792.00GBP
Save £846.00
CSF Race X B58 Gen2 Charge Air Cooler Manifold 8400 CSF Race X B58 Gen2 Charge Air Cooler Manifold 8400
CSFCSF Race X B58 Gen2 Charge Air Cooler Manifold (G20 M340i, G42 M240i, Toyota GR Supra & more)
From £4,794.00GBP £5,640.00GBP
Save £653.40
CSF Radiators B58 Gen2 Charge Air Cooler Manifold - 8200 CSF Radiators B58 Gen2 Charge Air Cooler Manifold - 8200
CSFCSF B58 Gen2 Charge Air Cooler Manifold (G20 340i, G22 440i, G42 M240i & more)
From £3,702.60GBP £4,356.00GBP
Save £46.80
CSF Radiators BMW B58 Gen2 Charge Air Manifold Spacer CSF Radiators BMW B58 Gen2 Charge Air Manifold Spacer
CSFCSF Radiators BMW B58 Gen2 Thermal Rejection Competition Charge Air Manifold Spacer
£265.20GBP £312.00GBP
Save £79.00
Injector Dynamics High Flow Fuel Injectors For BMW S58 Engine
Injector DynamicsInjector Dynamics High Flow Fuel Injectors For BMW S58 & B58 Engines
From £710.99GBP £789.99GBP
Save £93.00
Precision Raceworks BMW B58 Engine Port Injection Kit (F Series & G Series) Precision Raceworks BMW B58 Engine Port Injection Kit (F Series & G Series) Black
Precision RaceworksPrecision Raceworks BMW B58 Engine Port Injection Kit (F Series & G Series)
From £836.99GBP £929.99GBP

1 color available
Sold out
MHD BMW S58, B58 & S63 ECU Unlock Tool (Pre 06/2020 Vehicles) MHD BMW S58, B58 & S63 ECU Unlock Tool (Pre 06/2020 Vehicles)
MHDMHD BMW S58, B58 & S63 ECU Unlock Tool (Pre 06/2020 Vehicles)
£280.49GBP £329.99GBP
Save £79.50
MHD CAN FlexFuel Analyser QuickInstall Kit MHD CAN FlexFuel Analyser QuickInstall Kit
MHDMHD CAN FlexFuel Analyser QuickInstall Kit
£450.49GBP £529.99GBP
Save £35.25
Funk Motorsport BMW B58 Turbo Blanket For BMW M140i, M240i, 340i, 440i & more Funk Motorsport BMW B58 Turbo Blanket For BMW M140i, M240i, 340i, 440i & more
Funk MotorsportFunk Motorsport BMW B58 Turbo Blanket For BMW M140i, M240i, 340i, 440i & more
From £199.75GBP £235.00GBP
MMX BMW Magnetic Sump Plug (All Modern BMW Engines) MMX BMW Magnetic Sump Plug (All Modern BMW Engines)
MMXMMX BMW Magnetic Sump Plug (All Modern BMW Engines)
£29.04GBP
Save £12.75
MHD Universal WiFi OBDII Flash Adapter MHD Universal WiFi OBDII Flash Adapter
MHDMHD Universal WiFi OBDII Flash Adapter
£72.24GBP £84.99GBP