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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GSC Power Division BMW B58 Engine Billet S1 Camshaft Set GSC Power Division BMW B58 Engine Billet S1 Camshaft Set
GSC Power DivisionGSC Power Division BMW B58 Engine Billet S1 Camshaft Set
£1,180.65GBP £1,389.00GBP
Save £208.35
GSC Power Division BMW B58 Engine Billet S2 Camshaft Set GSC Power Division BMW B58 Engine Billet S2 Camshaft Set
GSC Power DivisionGSC Power Division BMW B58 Engine Billet S2 Camshaft Set
£1,180.65GBP £1,389.00GBP
Save £208.35
GSC Power Division BMW B58 Engine Billet S3 Camshaft Set GSC Power Division BMW B58 Engine Billet S3 Camshaft Set
GSC Power DivisionGSC Power Division BMW B58 Engine Billet S3 Camshaft Set
£1,180.65GBP £1,389.00GBP
Save £104.85
GSC Power Division BMW B58 Engine Beehive Valve Spring Kit GSC Power Division BMW B58 Engine Beehive Valve Spring Kit
GSC Power DivisionGSC Power Division BMW B58 Engine Beehive Valve Spring Kit
£594.15GBP £699.00GBP
5150 AutoSport BMW B58 Engine High Performance Rod Bearings
5150 AutoSport5150 AutoSport BMW B58 Engine High Performance Rod Bearing Set
£439.99GBP
USB-C to Ethernet Adapter High Speed 100Mbps USB-C to Ethernet Adapter High Speed 100Mbps
R44 ToolsUSB-C to Ethernet Adapter High Speed 100Mbps
£9.99GBP
Save £79.90
Motiv ReFlex+ Control Unit For BMW G Series & Toyota Supra Motiv ReFlex+ Control Unit For BMW G Series & Toyota Supra
MotivMotiv ReFlex+ Control Unit For BMW G Series & Toyota Supra
£719.10GBP £799.00GBP
Save £11.90
Motiv ReFlex+ 0-10 Bar Pressure Sensor Motiv ReFlex+ 0-10 Bar Pressure Sensor
MotivMotiv ReFlex+ 0-10 Bar Pressure Sensor
£107.10GBP £119.00GBP
Continental Ethanol Content Sensor Continental Ethanol Content Sensor
ContinentalContinental Ethanol Content Sensor
£99.00GBP
MAC 4 Port Boost Control Solenoid Valve
MACMAC 4 Port Boost Control Solenoid Valve
£99.99GBP
Save £20.70
Precision Raceworks BMW S58 & B58 Engine Plug & Play ReFlex+ Installation Harness Precision Raceworks BMW S58 & B58 Engine Plug & Play ReFlex+ Installation Harness
Precision RaceworksPrecision Raceworks BMW S58 & B58 Engine Plug & Play ReFlex+ Installation Harness
£186.29GBP £206.99GBP
Save £1.00
Motul Auto Cool Expert Ultra Coolant 1L
MOTULMotul Auto Cool Expert Ultra Coolant 1L
£8.99GBP £9.99GBP
Save £0.24
Genuine BMW OEM Hex Bolt M7X27 11658623438
Genuine BMWGenuine BMW OEM Hex Bolt M7X27 11658623438
£2.75GBP £2.99GBP
Save £0.32
Genuine BMW OEM Flange Nut With Spring Washers 11658670587
Genuine BMWGenuine BMW OEM Flange Nut With Spring Washers 11658670587
£3.67GBP £3.99GBP
Save £4.30
VP Racing 20 Litre Motorsport Fuel Container In White
VP RacingVP Racing 20L Square Motorsport Fuel Container In White
£38.69GBP £42.99GBP
Save £1.55
VP Racing Deluxe Fueling Hose For Use With Motorsport Containers
VP RacingVP Racing Deluxe Fueling Hose For Use With Motorsport Containers
£13.94GBP £15.49GBP
Sold out
VP Racing X85 E85 Compatible Race Fuel - 108 RON
VP RacingVP Racing X85 E85 Compatible Race Fuel - 108 RON
£107.99GBP £119.99GBP
MAC 3 Port Boost Control Solenoid Valve MAC 3 Port Boost Control Solenoid Valve
MACMAC 3 Port Boost Control Solenoid Valve
£79.99GBP
Eventuri New Design Replacement Air Filter For Intake Systems - Type L Eventuri New Design Replacement Air Filter For Intake Systems - Type L
EVENTURIEventuri New Design Replacement Air Filter For Intake Systems - Type L
£90.00GBP
Save £3.15
Funk Motorsport Black Silicon High Heat Sleeve
Funk MotorsportFunk Motorsport Black Silicon High Heat Sleeve
From £17.85GBP £21.00GBP
Save £5.40
Funk Motorsport Titanium Exhaust Wrap Funk Motorsport Titanium Exhaust Wrap
Funk MotorsportFunk Motorsport Titanium Exhaust Wrap
From £30.60GBP £36.00GBP
Save £10.87
Funk Motorsport External Wastegate Blanket Funk Motorsport External Wastegate Blanket
Funk MotorsportFunk Motorsport External Wastegate Blanket
From £61.63GBP £72.50GBP
Save £10.60
Precision Raceworks Ethanol 360 Fittings - 5/16" (7.89mm) Quick Connect Precision Raceworks Ethanol 360 Fittings - 5/16" (7.89mm) Quick Connect
Precision RaceworksPrecision Raceworks Ethanol 360 Fittings - 5/16" (7.89mm) Quick Connect
£95.39GBP £105.99GBP
Save £1.00
Precision Raceworks AN8 Male ORB to AN6 Female ORB Adapter Precision Raceworks AN8 Male ORB to AN6 Female ORB Adapter
Precision RaceworksPrecision Raceworks AN8 Male ORB to AN6 Female ORB Adapter
£8.99GBP £9.99GBP