JB4 = FASTEST

 View More JB4 Tuners

S58 JB4 Tuner for 2021+ BMW G80 M3, G82 G83 M4, & 2023+ G87 M2

S58 JB4 Tuner for 2021+ BMW G80 M3, G82 G83 M4, & 2023+ G87 M2
$799.00

S58 JB4 Tuner for 2020+ BMW F97 X3M & F98 X4M

S58 JB4 Tuner for 2020+ BMW F97 X3M & F98 X4M
$799.00

JB4 for BMW GEN1 & GEN2 B58

JB4 for BMW GEN1 & GEN2 B58
$529.00

BMW B38/B46/B48 JB4 Tuner

BMW B38/B46/B48 JB4 Tuner
$529.00

BMS Power Package

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Sale

700hp Package for S58 BMW G8x M2/M3/M4

700hp Package for S58 BMW G8x M2/M3/M4
$1,699.00 $1,917.95
Sale

700hp Package for S58 BMW F97 X3M & F98 X4M

700hp Package for S58 BMW F97 X3M & F98 X4M
$1,649.00 $1,897.95

JB4 500 Horsepower Package for N54 BMW

JB4 500 Horsepower Package for N54 BMW
$1,399.00
Sale

475 Wheel Horsepower Package for Gen2 B58 BMW

475 Wheel Horsepower Package for Gen2 B58 BMW
$1,129.00 $1,407.99

New Products

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JB4 for Ford F150 Raptor R Supercharged (BETA)

JB4 for Ford F150 Raptor R Supercharged (BETA)
$699.00

Hyundai Sonata Bluetooth Flex Fuel Kit for 2.5L Turbo Motors

Hyundai Sonata Bluetooth Flex Fuel Kit for 2.5L Turbo Motors
$479.95

Replacement BMS Performance Air Filter(s)

Replacement BMS Performance Air Filter(s)
$65.00
Sold out

JB4PRO for 2025+ C8 Chevrolet Corvette ZR1 LT7 (BETA)

JB4PRO for 2025+ C8 Chevrolet Corvette ZR1 LT7 (BETA)
$1,899.00

Ethanol Content Sensors

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Toyota Supra Flex Fuel Kits for the MKV B48/B58

Toyota Supra Flex Fuel Kits for the MKV B48/B58
$479.95

BMW M240i, M340i, M440i, & M540i Bluetooth/CANflex Flex Fuel Kits for the G Chassis Gen 2 B58

BMW M240i, M340i, M440i, & M540i Bluetooth/CANflex Flex Fuel Kits for the G Chassis Gen 2 B58
$479.95

AUDI TT RS/RS3 Bluetooth Flex Fuel Kit for the 2.5L motor

AUDI TT RS/RS3 Bluetooth Flex Fuel Kit for the 2.5L motor
$474.95

VW/AUDI Bluetooth Flex Fuel Kit for the 2.0L TSI

VW/AUDI Bluetooth Flex Fuel Kit for the 2.0L TSI
$439.95

Oil Catch Cans

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BMS Kia Stinger/Genesis G70 3.3L Oil Catch Can

BMS Kia Stinger/Genesis G70 3.3L Oil Catch Can
$179.00
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BMS Oil Catch Can for G2x G4x B46/B48 BMW 230i 330i 430i

BMS Oil Catch Can for G2x G4x B46/B48 BMW 230i 330i 430i
$199.00

BMS Oil Catch Can for G Chassis Gen 2 B58 BMW M240 M340 M440

BMS Oil Catch Can for G Chassis Gen 2 B58 BMW M240 M340 M440
$219.00

BMS Oil Catch Can for 2024+ Toyota Tacoma & 2025+ 4Runner 2.4L Turbo

BMS Oil Catch Can for 2024+ Toyota Tacoma & 2025+ 4Runner 2.4L Turbo
$179.00

Choose an Intake

 More Air Intake Systems and Filters
Sale

BMS Cold Air Intake for 2021+ Ford Bronco 2.3L / 2.7L

BMS Cold Air Intake for 2021+ Ford Bronco 2.3L / 2.7L
$299.00 $349.00

BMS Infiniti Q50/Q60 3.0t Billet Intake

BMS Infiniti Q50/Q60 3.0t Billet Intake
$329.00

BMS Billet Intake for 2020+ Cadillac CT4, CT5 2.0L & CT4-V 2.7L Turbo

BMS Billet Intake for 2020+ Cadillac CT4, CT5 2.0L & CT4-V 2.7L Turbo
$229.00

BMS B58 BMW M240i M340i M440i Competition Cold Air Intake

BMS B58 BMW M240i M340i M440i Competition Cold Air Intake
$399.00
⚠️ EMISSIONS NOTICE

Competition use only parts are clearly labeled as competition use only in the product listing page and may only be used according to the guidelines posted on our Emissions Notice to Customers page.