Attaches to the JB4 allowing it to directly control both traditional port injection kits and WMI port injection kits.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
A piggy back tuner that allows you to adjust throttle response for peak performance.
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. Includes JB4 side repair harness molex pigtail.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Visconti has created a true plug and play harness kit for Gen 2 B58 and S58 cars!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4810321
Mfg#:
200.1103
Ships in 4 Business Days
$795.00
This product was last offered at the strikethrough price on 01-05-2026
Next-Gen Power Delivery with OEM-Level Integration - up to +80 HP / +75 TQ
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! For early models with the Gen1 B58 engine (B58A)
Brand:
ES#:
5434945
Mfg#:
NM.64500158
Ships in 2 Business Days
5% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$599.00
This product was last offered at the strikethrough price on 02-19-2026
Next-Gen Power Delivery with OEM-Level Integration - up to +60 HP / +50 TQ
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! For later models with the Gen2 B58 engine (B58D / B58TU) and WITHOUT Mild Hybrid package
Brand:
ES#:
5434946
Mfg#:
NM.64500158.2
Ships in 2 Business Days
5% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$599.00
This product was last offered at the strikethrough price on 02-19-2026
Next-Gen Power Delivery with OEM-Level Integration - up to +60 HP / +50 TQ
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! For later models with the Gen2 B58 engine (B58D / B58TU) and WITH Mild Hybrid package
Brand:
ES#:
5434947
Mfg#:
NM.64500258
Ships in 2 Business Days
5% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$599.00
This product was last offered at the strikethrough price on 02-19-2026
Unlock the hidden potential from your BMW with a safe and easy to use module from RaceChip
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Increase of +126 Horsepower, and +127 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance high-flow exhausts!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Increase of +101 Horsepower, and +102 Torque, Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Unlocks your factory DME to allow tuning
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with a production date before 06/2020
Add power and performance with special ECU software upgrades from recognized tuning leaders like APR, 034Motorsport, Unitronic, Integrated Engineering. Let our trained support staff show you how to pick the performance ECU software upgrade that suits your driving preferences and budget.
Lifetime Replacement
