m340i - Raceparts

Every part in this collection earns its spot on cars we actually tune. Turbo kits, downpipes, intakes, fueling, and supporting mods for the Infiniti Q50/Q60 and Nissan Z VR30, BMW B58 and S58, and the GR Supra — tested on the Racebox dyno in Houston, not just listed from a catalog. If you're not sure what your build needs next, check our build guides or ask. We run most of this hardware on our own shop cars.

Shop by platform: BMW B58 parts, BMW S58 parts, GR Supra parts, Infiniti Q50/Q60 VR30 parts, Nissan Z parts.

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MHD Super License software box for BMW B48 B58 S58 engine tuning with geometric car graphic

MHD Super License - B58/S58

Regular price $575.00 USD
Regular price Sale price $575.00 USD
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MHD Tuning universal WIFI OBD2 adapter in translucent red housing for BMW flash tuning

MHD Universal WIFI Adapter

Regular price $80.00 USD
Regular price Sale price $80.00 USD
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Racebox Custom Tuned 500whp FBO E85 BMW M340i

BMW M240i/M340i/M440i/X3/X4 G01/G02/G20/G22/G42 B58TU Tune

Regular price From $500.00 USD
Regular price Sale price From $500.00 USD
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MHD F/G-Series CAN FlexFuel Analyzer module with wiring harness and ethanol sensor

MHD CAN Flex Fuel Kit

Regular price $490.00 USD
Regular price Sale price $490.00 USD
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B58 Evap / CCV Port Plug - view 1

B58 Evap / CCV Port Plug

Regular price $28.00 USD
Regular price $19.60 USD Sale price $28.00 USD
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NGK 93560 SILKGR9A7ES B58TU and S58 Laser Iridium Spark Plug - view 1

NGK 93560 SILKGR9A7ES B58TU and S58 Laser Iridium Spark Plug

Regular price $19.99 USD
Regular price $23.42 USD Sale price $19.99 USD
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Spool B58 5 inch Catted 200 Cell Downpipe

Spool B58 5" Catted 200 Cell Downpipe (Euro 5)

Regular price $349.00 USD
Regular price Sale price $349.00 USD
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BMR Rear Differential Solid Mount Brace - BMW M240i, M340i, M440i and Toyota Supra - view 1

BMR Rear Differential Solid Mount Brace - BMW M240i, M340i, M440i and Toyota Supra

Regular price $299.99 USD
Regular price $209.99 USD Sale price $299.99 USD
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BMR Gen 2 B58 Catch Can Kit - view 1

BMR Gen 2 B58 Catch Can Kit

Regular price From $465.00 USD
Regular price $325.50 USD Sale price From $465.00 USD
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BMR B58 Lightning Turbo Kit - view 1

BMR B58 Lightning Turbo Kit

Regular price $5,100.00 USD
Regular price Sale price $5,100.00 USD
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Spool B58 Gen 3 Race Downpipe

Spool B58 Gen 3 Race Downpipe

Regular price $399.00 USD
Regular price Sale price $399.00 USD
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Spool B58 5 inch Race Downpipe

Spool B58 5" Stainless Steel Race Downpipe

Regular price $349.00 USD
Regular price Sale price $349.00 USD
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Spool B58 4.5 inch Race Downpipe

Spool B58 4.5" Stainless Steel Race Downpipe

Regular price $167.67 USD
Regular price Sale price $167.67 USD
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Spool ZF 8HP45 8HP50 8HP51 Stage 2 Transmission DIY Kit

Spool ZF 8HP45 / 8HP50 / 8HP51 Stage 2 Transmission DIY Kit

Regular price From $3,999.00 USD
Regular price Sale price From $3,999.00 USD
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Spool B58TU S58 Plug and Play Reflex+ Harness

Spool B58TU / S58 Plug and Play Motiv Reflex+ Harness

Regular price $149.99 USD
Regular price Sale price $149.99 USD
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Spool B58 Charge Pipe Upgrade Kit

Spool B58 Charge Pipe Upgrade Kit (Gen 1 & B58TU)

Regular price $149.00 USD
Regular price Sale price $149.00 USD
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RK Autowerks B58TU Race Billet Intake Manifold front view

RK Autowerks B58TU Race Billet Intake Manifold with Port Injection

Regular price $4,499.00 USD
Regular price Sale price $4,499.00 USD
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RK Autowerks B58TU Billet Intake Manifold with Port Injection

RK Autowerks B58TU Billet Intake Manifold with Port Injection

Regular price $2,999.00 USD
Regular price Sale price $2,999.00 USD
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BMR 19mm to 10AN Male 90° Valve Cover BMW PCV Fittings - view 1

BMR 19mm to 10AN Male 90° Valve Cover BMW PCV Fittings

Regular price $49.99 USD
Regular price $34.99 USD Sale price $49.99 USD
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B58 PCV Block Off Pins - view 1

B58 PCV Block Off Pins

Regular price $140.00 USD
Regular price $98.00 USD Sale price $140.00 USD
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B58 S58 PNP Coolant Pressure Sensor Kit - view 1

B58 S58 PNP Coolant Pressure Sensor Kit

Regular price From $110.00 USD
Regular price $77.00 USD Sale price From $110.00 USD
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B58 S58 Auxiliary Water Pump Delete Plug - view 1

B58 S58 Auxiliary Water Pump Delete Plug

Regular price $40.00 USD
Regular price $28.00 USD Sale price $40.00 USD
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B58 CCV Bung AN Fitting Gen1/Gen2

B58 CCV Bung AN Fitting Gen1/Gen2

Regular price $47.00 USD
Regular price $32.90 USD Sale price $47.00 USD
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B58 Billet Oil Cap With Vent

Gen 2 B58 / S58 Oil Cap Breather Vent

Regular price From $95.00 USD
Regular price $66.50 USD Sale price From $95.00 USD
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B58 Straight Gate Integration Kit - view 1

B58 Straight Gate Integration Kit

Regular price From $155.00 USD
Regular price $108.50 USD Sale price From $155.00 USD
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B58 Map Sensor Bung

B58 S58 Map / Charge Air Temp Sensor Bung

Regular price $45.00 USD
Regular price $31.50 USD Sale price $45.00 USD
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G Chassis / Supra Fire Extinguisher Mount - view 1

G Chassis / Supra Fire Extinguisher Mount

Regular price $125.00 USD
Regular price $87.50 USD Sale price $125.00 USD
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Spool Performance B58 Stage 3 low pressure fuel pump assembly with wiring harness and fuel lines

B58 Stage 3 Low Pressure Fuel Pump

Regular price From $849.99 USD
Regular price Sale price From $849.99 USD
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Spool Performance B58 Stage 3 LPFP DIY kit with red mounting bracket and upgraded fuel pump

B58 Stage 3 Low Pressure Fuel Pump - DIY Kit

Regular price $449.00 USD
Regular price Sale price $449.00 USD
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Spool Performance Stage 3 LPFP dual pump assembly diagram for BMW G20 G22 G30 B58 DIY kit

G20/G22/G30/G32/G11/G12 B58 Stage 3 Low Pressure Fuel Pump - DIY Kit

Regular price $749.00 USD
Regular price Sale price $749.00 USD
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Spool Performance FX-350 high pressure fuel pump with silver billet aluminum body for BMW Gen2 B58 engines

BMW Gen2 B58 FX-350 upgraded high pressure pump

Regular price From $2,199.00 USD
Regular price Sale price From $2,199.00 USD
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Spool Performance IFX350 direct injection fuel injectors laid out in rows for BMW Gen2 B58

BMW GEN2 B58 IFX350 upgraded DI injectors Stage 1 +30%

Regular price $1,599.00 USD
Regular price Sale price $1,599.00 USD
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Spool Performance B58 Gen2 top mount turbo kit with billet manifold and red turbocharger

Spool Performance Billet Manifold B58 Gen2 Top Mount Turbocharger Kit

Regular price From $5,749.00 USD
Regular price Sale price From $5,749.00 USD
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Spool FX-400X upgraded high pressure pump for B58 Gen2 with 350 bar and 20% more flow than FX350

Spool Performance B58 Gen2 FX400X upgraded high pressure pump

Regular price From $2,499.00 USD
Regular price Sale price From $2,499.00 USD
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Spool Performance IFX350X Stage 2 +60% fuel injectors set of six for BMW Gen2 B58 at 5000 PSI

BMW GEN2 B58 IFX350X upgraded DI injectors Stage 2 +60%

Regular price $1,999.00 USD
Regular price Sale price $1,999.00 USD
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Spool Performance FX-350 upgraded high pressure fuel pump for BMW Gen2 B48 B46 silver aluminum body

BMW Gen2 B48/B46 FX-350 upgraded high pressure pump

Regular price From $2,199.00 USD
Regular price Sale price From $2,199.00 USD
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AWE Tuning stainless steel resonated touring exhaust with quad diamond black tips for BMW G20 M340i

AWE Tuning 2019+ BMW M340i (G20) Resonated Touring Edition Exhaust - Quad Diamond Black Tips

Regular price $2,875.49 USD
Regular price $3,026.32 USD Sale price $2,875.49 USD
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AWE Tuning stainless steel cat-back exhaust with quad diamond black tips for BMW G20 M340i

AWE Tuning 2019+ BMW M340i (G20) Non-Resonated Touring Edition Exhaust - Quad Diamond Black Tips

Regular price $2,565.49 USD
Regular price $2,700.00 USD Sale price $2,565.49 USD
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AWE Tuning stainless steel resonated to non-resonated conversion pipes for BMW G20 M340i

AWE Tuning 2019+ BMW M340i (G20) Resonated to Non-Resonated Conversion Kit

Regular price $335.49 USD
Regular price $352.63 USD Sale price $335.49 USD
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MBRP T304 stainless axle-back exhaust for BMW M240i with dual carbon fiber tips

MBRP 17-21 BMW M240I 3.0L 3in Axle Back Dual Rear Exit w/ T304 SS Carbon Fiber Tips (Street Version)

Regular price $660.49 USD
Regular price $815.28 USD Sale price $660.49 USD
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AWE Tuning stainless steel track edition exhaust with quad diamond black tips for BMW G20 M340i

AWE Tuning 2019+ BMW M340i (G20) Track Edition Exhaust - Quad Diamond Black Tips

Regular price $2,255.49 USD
Regular price $2,373.68 USD Sale price $2,255.49 USD
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AWE Tuning stainless steel track edition exhaust with OE tips and dual mufflers for BMW G20 M340i

AWE Tuning 2019+ BMW M340i (G20) Track Edition Exhaust (Use OE Tips)

Regular price $1,845.49 USD
Regular price $1,942.11 USD Sale price $1,845.49 USD
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AWE Tuning stainless steel non-resonated touring exhaust with dual mufflers for BMW G20 M340i

AWE Tuning 2019+ BMW M340i (G20) Non-Resonated Touring Edition Exhaust (Use OE Tips)

Regular price $2,155.49 USD
Regular price $2,268.42 USD Sale price $2,155.49 USD
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AWE Tuning Touring Edition axle-back exhaust with 102mm diamond black tips for BMW F22 M235i M240i

AWE Tuning BMW F22 M235i / M240i Touring Edition Axle-Back Exhaust - Diamond Black Tips (102mm)

Regular price $1,485.49 USD
Regular price $1,563.16 USD Sale price $1,485.49 USD
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