Take your Inline-6 BMW to The Next Level With this all in one Tuning Solution!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Take your Inline-6 BMW to The Next Level With this all in one Tuning Solution!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Enables precise control of aftermarket performance components like fuel pumps, meth injection kits, boost controllers, port injection kits
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Wirelessly connect your JB4 to your phone!
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For JB4 systems produced 2017 and later. Please check board diagrams to properly identify your JB4 before ordering.
Upgrade From Your Outdated Batch-Fire Injector Controller!
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Remove the dead area from your throttle pedal.
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With the all-new Kies WiFi Enet Adapter, you can now use your favorite apps, wirelessly, from one convenient dongle!
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Plug & play power — gain up to 100 horsepower on a stock car!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For F-Chassis Vehicles w/ Type-A Harness Only; Not for sale or use in California
For vehicles with a Type-A Harness only (See Photos for more details)
Plug & play power — gain up to 100 horsepower on a stock car!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For F-Chassis Vehicles w/ Type-B Harness Only; Not for sale or use in California
For vehicles with a Type-B Harness only (See Photos for more details)
Plug & play power — gain up to 100 horsepower on a stock car!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For F-Chassis Vehicles w/ N63TU Engine Only; Not for sale or use in California
For vehicles with an N63TU engine only
Easy to install, easy to use boost controller - up to 30HP, 40lb/ft gain!
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
06-06-2026
Alter parameters and fine-tune — wirelessly!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For use with N54 JB4 systems and any JB4 manufactured prior to 2017. Please check board diagrams to properly identify your JB4 before ordering.
This product was last offered at the strikethrough price on
05-12-2026
Plug & play power — gain up to 60 horsepower on a stock car, 100+ horsepower on a modified car! For Electronic waste gate!
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*For Electronic waste-gate*
Take your Inline-4 BMW to The Next Level With this all in one Tuning Solution!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Plug & play power — gain up to 50 horsepower on a stock car, 100+ horsepower on a modified car!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with electronic waste gate; not for sale or use in the state of California.
Gains of up to 35HP and 50lb/ft!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Not for sale or use in the state of California.
Remove the dead area from your throttle pedal.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms