JB4 = FASTEST

 More JB4 Tuners

S58 JB4 Performance Tuner for 2021+ BMW M3/M4 & 2023+ M2 (G80/G82/G83/G87)

S58 JB4 Performance Tuner for 2021+ BMW M3/M4 & 2023+ M2 (G80/G82/G83/G87)
$799.00
JB4 Tuners

JB4 Tuner for 2025+ Toyota 4Runner 2.4L Turbo

JB4 Tuner for 2025+ Toyota 4Runner 2.4L Turbo
$699.00
JB4 Tuners

JB4 Tuner for 2025+ RAM 1500 3.0T Hurricane SO/HO Twin Turbo

JB4 Tuner for 2025+ RAM 1500 3.0T Hurricane SO/HO Twin Turbo
$599.00
JB4 Tuners

JB4 Performance Tuner for BMW B58 GEN1 & GEN2

JB4 Performance Tuner for BMW B58 GEN1 & GEN2
$599.00
JB4 Tuners

BMS Power Package

 View More Power Packages
Sale

JB4PRO 450 Wheel Horsepower 3.3L KIA Stinger / Genesis G70 Package ***Intakes backordered est to ship end of Sept***

JB4PRO 450 Wheel Horsepower 3.3L KIA Stinger / Genesis G70 Package ***Intakes backordered est to ship end of Sept***
$1,299.00 $1,530.99
JB4 Tuners
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
JB4 Tuners
Sale

475 Wheel Horsepower Package for Gen2 B58 BMW

475 Wheel Horsepower Package for Gen2 B58 BMW
$1,149.00 $1,407.99
JB4 Tuners
Sale

450 Horsepower Infiniti Q50/Q60 3.0T Package

450 Horsepower Infiniti Q50/Q60 3.0T Package
$999.00 $1,319.00
JB4 Tuners

Choose an Intake

 More Air Intake Systems and Filters

BMW X1/X2 & MINI Countryman B38/B48 BMS Billet Intake

BMW X1/X2 & MINI Countryman B38/B48 BMS Billet Intake
$229.00
Intakes

BMS Elite 2020+ F97 X3M & F98 X4M S58 BMW Performance Intake

BMS Elite 2020+ F97 X3M & F98 X4M S58 BMW Performance Intake
$479.00
Intakes
Sale

BMS High Flow V1 Intake for Mazda models 6, CX-5, & CX-9 equipped with the SkyActiv-G 2.5T engine

BMS High Flow V1 Intake for Mazda models 6, CX-5, & CX-9 equipped with the SkyActiv-G 2.5T engine
$329.00 $399.00
Intakes

BMS Silicone Front Mount Cold Air Intake for G Chassis B58 BMW

BMS Silicone Front Mount Cold Air Intake for G Chassis B58 BMW
$449.00
Intakes

Ethanol Content Sensors

 View More Ethanol Content Sensors

Toyota Supra MKV B48 / B58 Flex Fuel Ethanol Content Sensor for E85 Fuel Monitoring

Toyota Supra MKV B48 / B58 Flex Fuel Ethanol Content Sensor for E85 Fuel Monitoring
$479.00
Flex Fuel Kits

BMW G Chassis Gen 2 B58 M240i, M340i, M440i, & M540i Flex Fuel Ethanol Content Sensor for E85 Fuel Monitoring

BMW G Chassis Gen 2 B58 M240i, M340i, M440i, & M540i Flex Fuel Ethanol Content Sensor for E85 Fuel Monitoring
$449.00
Flex Fuel Kits

Audi RS3 8V/8Y & TT RS 8S 2.5T Flex Fuel Ethanol Content Sensor for E85 Monitoring

Audi RS3 8V/8Y & TT RS 8S 2.5T Flex Fuel Ethanol Content Sensor for E85 Monitoring
$474.95
Flex Fuel Kits

VW / AUDI 2.0L TSI Flex Fuel Ethanol Content Sensor for E85 Fuel Monitoring

VW / AUDI 2.0L TSI Flex Fuel Ethanol Content Sensor for E85 Fuel Monitoring
$449.95
Flex Fuel Kits

Oil Catch Cans

 More Oil Catch Cans
Sold out

B58 BMW/Supra BMS Oil Catch Can Oil Filler Cap Dual Vent Connection Kit

B58 BMW/Supra BMS Oil Catch Can Oil Filler Cap Dual Vent Connection Kit
$139.00
Oil Catch Cans

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
Oil Catch Cans

BMS Oil Catch Can for 2022+ Toyota Tundra 3.4L Twin Turbo

BMS Oil Catch Can for 2022+ Toyota Tundra 3.4L Twin Turbo
$179.00
Oil Catch Cans

BMS Kia Stinger/Genesis G70 3.3L Oil Catch Can

BMS Kia Stinger/Genesis G70 3.3L Oil Catch Can
$179.00
Oil Catch Cans
⚠️ 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.