BMW G Chassis G20/G21 B58 Performance Parts


Upgrade your BMW G Chassis G20/G21 B58 with top-performance parts. Buy JB4 tuners, air intake and intake pipe upgrades, turbo inlets, high-pressure fuel pump kits, port injection kits, magnetic oil filter caps, flex-fuel kits, billet strut braces, spark plugs, and more. Enhance your M240i, M340i, and M440i with premium bolt-ons and performance upgrades.

20 products
  • BMW/Supra Gen 2 B58 Flow Max Turbo Upgrade - DAW
    Regular price
    from $3,149.95
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    from $3,149.95
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  • BMW B58 G-Series PURE 800/850 Turbo Upgrade
    Regular price
    from $2,500.00
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    from $2,500.00
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  • B58 Gen2 DS25 HPFP Upgrade
    Regular price
    $2,199.00
    Sale price
    $2,199.00
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  • B58 Gen2 Flex Fuel ECA Kit
    Regular price
    $499.00
    Sale price
    $499.00
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  • Supra / G-Series B58 Upgraded Hybrid Fuel Pump
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    from $549.95
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    from $549.95
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  • Bosch Flow Matched Injectors (Short)
    Regular price
    from $399.95
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    from $399.95
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  • BMW/SUPRA B58TU GEN 2 ULTRA FLOW-R Turbo upgrade(6 PORT) - M340I/M440I & TOYOTA SUPRA MKV
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    from $3,149.95
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    from $3,149.95
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  • NGK 94201 Spark Plug for BMW B48 and B58 engines **backorder**
    NGK 94201 Spark Plug for BMW B48/B58 engines - Paradigm Engineering
    Regular price
    $16.95
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    $16.95
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  • BMW B38/B46/B48/B58 JB4 Tuner
    BMW B38/B46/B48/B58 JB4 Tuner - Paradigm Engineering
    Regular price
    from $529.00
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    from $529.00
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