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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BootMod3 Wireless OBDII WiFi Flash Adapter BootMod3 Wireless OBDII WiFi Flash Adapter
BootMod3BootMod3 Wireless OBDII WiFi Flash Adapter
£98.10GBP £109.00GBP
Save £0.77
Genuine BMW Twin Power Turbo Petrol Injector Cleaner Fuel Additive 100ml 83195A07750
Genuine BMWGenuine BMW Twin Power Turbo Petrol Injector Cleaner Fuel Additive 100ml 83195A07750
£8.89GBP £9.66GBP
Save £1.92
Genuine BMW Engine Oil 1L TwinPower Turbo LL-19FE 0W-30 83212465854 - R44 Performance Genuine BMW Engine Oil 1L TwinPower Turbo LL-19FE 0W-30 83212465854 - R44 Performance
Genuine BMWGenuine BMW Engine Oil 1L TwinPower Turbo LL-19FE 0W-30 83212465854
£22.07GBP £23.99GBP
Save £1.92
Genuine BMW B57 B58 Oil Filter Kit (M140i, M240i, M340i, 540i & 840i) 11428583898-R44 Performance Genuine BMW B57 B58 Oil Filter Kit (M140i, M240i, M340i, 540i & 840i) 11428583898 - R44 Performance
Genuine BMWGenuine BMW B57 B58 Oil Filter Kit (M140i, M240i, M340i, 540i & 840i) 11428583898
£22.09GBP £24.01GBP
Save £13.81
Genuine BMW B58 Cylinder Head Gasket (F20 M140i, F22 M240i, F30 340i & more) 11128654268
Genuine BMWGenuine BMW B58 Cylinder Head Gasket (F20 M140i, F22 M240i, F30 340i & more)
£158.79GBP £172.60GBP
Save £6.59
Genuine BMW G Series OEM Cabin Filter 64119382886 (X3/X4/3 Series/Z4) - R44 Performance Genuine BMW G Series OEM Cabin Filter 64119382886 (X3/X4/3 Series/Z4) - R44 Performance
Genuine BMWGenuine BMW G Series OEM Cabin Filter 64119382886
£75.80GBP £82.39GBP
Save £1.02
Genuine BMW G48 Blue Coolant 1.5L 83512355290 Genuine BMW G48 Blue Coolant 1.5L 83512355290
Genuine BMWGenuine BMW Engine Coolant Antifreeze G48 Blue Concentrate 1.5 Litre 83512355290
£11.71GBP £12.73GBP
Save £2.84
Genuine BMW 1L OSP 75W-90 Rear Differential Oil 83222365987
Genuine BMWGenuine BMW 1L OSP 75W-90 Rear Differential Oil 83222365987
£32.72GBP £35.56GBP
Save £3.22
Genuine BMW G Series Hypoid Axle Oil 500ml 83222447362 - R44 Performance Genuine BMW G Series Hypoid Axle Oil 500ml 83222447362 - R44 Performance
Genuine BMWGenuine BMW G Series Hypoid Axle Oil 500ml 83222447362
£37.03GBP £40.25GBP
Save £4.49
Genuine BMW ZF 8 Speed Transmission Oil ATF 3+ 1000ml 83222289720 - R44 Performance
Genuine BMWGenuine BMW ZF 8 Speed Transmission Oil ATF 3+ 1L 83225A12A00
£51.59GBP £56.08GBP
Save £5.00
Motul 300V Competition 5W-40 Engine Oil Motul 300V Competition 5W-40 Engine Oil
MOTULMotul 300V Competition 5W-40 Engine Oil
From £44.99GBP £49.99GBP
Save £1.10
Motul 8100 X-Clean EFE 5W-30 Fully Synthetic Engine Oil Motul 8100 X-Clean EFE 5W-30 Fully Synthetic Engine Oil
MOTULMotul 8100 X-Clean EFE 5W-30 Fully Synthetic Engine Oil
From £9.89GBP £10.99GBP
Save £1.90
Motul 8100 Power 5W-40 Fully Synthetic High Performance ESTER Engine Oil Motul 8100 Power 5W-40 Fully Synthetic High Performance ESTER Engine Oil
MOTULMotul 8100 Power 5W-40 Fully Synthetic High Performance ESTER Engine Oil
From £17.09GBP £18.99GBP
Save £1.00
Motul Trans ATF VI High Performance Transmission Fluid 1L 109771
MOTULMotul Trans ATF VI High Performance Transmission Fluid 1L
£8.99GBP £9.99GBP
Save £3.00
Motul Gear Competition 75W140 Limited Slip Differential (LSD) 100% Synthetic Transmission Oil Motul Gear Competition 75W140 Limited Slip Differential (LSD) 100% Synthetic Transmission Oil
MOTULMotul Gear Competition 75W140 Limited Slip Differential (LSD) 100% Synthetic Transmission Oil
From £26.99GBP £29.99GBP
BMDiag ENET BMW Cable For BMW F, G & I Series BMDiag ENET BMW Cable For BMW F, G & I Series
R44 ToolsR44 Tools ENET BMW Cable For BMW F, G & I Series
£18.99GBP
Save £70.19
Turbosmart GenV WG45 HyperGate45 14psi Wastegate TS-0553-1012 Side Turbosmart GenV WG45 HyperGate45 14psi Wastegate TS-0553-1012 Front
TurbosmartTurbosmart GenV WG45 HyperGate45 14psi Wastegate In Black - TS-0553-1012
£397.75GBP £467.94GBP
Save £47.69
Turbosmart Blow Off Valve RacePort GenV Black TS-0204-1132 Side Turbosmart Blow Off Valve RacePort GenV Black TS-0204-1132 Front
TurbosmartTurbosmart Blow Off Valve RacePort GenV In Black - TS-0204-1132
£270.25GBP £317.94GBP
Save £6.00
GSC Power Division BMW S58 & B58 Engine Super Alloy Exhaust Valves GSC Power Division BMW S58 & B58 Engine Super Alloy Exhaust Valves
GSC Power DivisionGSC Power Division BMW S58 & B58 Engine Super Alloy Exhaust Valves
From £34.00GBP £40.00GBP
Save £4.35
GSC Power Division BMW S58 & B58 Engine Intake Valves GSC Power Division BMW S58 & B58 Engine Intake Valves
GSC Power DivisionGSC Power Division BMW S58 & B58 Engine STD Intake Valves
From £24.65GBP £29.00GBP
Save £4.50
GSC Power Division BMW S58 & B58 Viton Exhaust Valve Stem Seals
GSC Power DivisionGSC Power Division BMW S58 & B58 Viton Exhaust Valve Stem Seals
£25.50GBP £30.00GBP
Save £4.50
GSC Power Division BMW S58 & B58 Viton Intake Valve Stem Seals
GSC Power DivisionGSC Power Division BMW S58 & B58 Viton Intake Valve Stem Seals
£25.50GBP £30.00GBP
Save £0.97
GSC Power Division BMW S58 & B58 Intake Valve Guides
GSC Power DivisionGSC Power Division BMW S58 & B58 Intake Valve Guides
From £5.53GBP £6.50GBP
Save £0.97
GSC Power Division BMW S58 & B58 Exhaust Valve Guides
GSC Power DivisionGSC Power Division BMW S58 & B58 Exhaust Valve Guides
From £5.53GBP £6.50GBP