Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Maintain driveability and reliability while adding up to 40 HP and 55 lb/ft of torque! For Mid-2012 to 2013 vehicles.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For limited use in California, please see full description. CARB certified for sale in all 50 states
For mid 2012 - 2013 vehicles with type B TMAP harness only!
Get up to +75 hp and +105 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Version 1.
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Increase power without sacrificing reliability
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date up to 03/2011
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
06-18-2026
Increase power without sacrificing reliability
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Add up to 40hp and 80lbs/ft. torque to your N55 today!
For vehicles with production date from 03/2011
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
01-28-2026
Increase power without sacrificing reliability
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Adds up to 40hp and 51lbs. x ft. torque - instantly!
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
01-28-2026
Maintain driveability and reliability while adding up to 40 HP and 55 lb/ft of torque! For 2011 to early 2012 vehicles.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Not for sale or use in the state of California.
For 2011 to early 2012 vehicles with type A TMAP harness only!
This add on kit for BMW N54 engines allows your JB4 to "2step" the engine
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Plug & play power — gain up to 40 horsepower in under one minute! 50 state legal performance!
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CARB Approved - Legal in All 50 States! CARB certified for sale in all 50 states
A piggy back tuner that allows you to adjust throttle response for peak performance.
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Get up to +51 hp and +70 lb-ft through a safe and easy to use tuning module from RaceChip *Open Box - New Product*
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Unlock the hidden potential from your BMW with a safe and easy to use module from RaceChip. Options for both harness types A and B
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BMW used two different engine harnesses, please confirm if you have type A or B before ordering
Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash. Includes JB4 side repair harness molex pigtail.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Instant boost!
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A great package for a new care owner looking to gain more power
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Includes Cobb High Flow Filter, Front Mount Intercooler, and AccessPORT V3.