Plug & play power — gain up to 100hp on pump gas and up to 207whp on higher octane or E85 mixtures
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
5375484
Mfg#:
JB4S68G0567
Ships on Jun 19, 2026
$899.00
This product was last offered at the strikethrough price on 05-19-2026
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 For N55 equipped E chassis vehicles only
Plug & play power — gain up to 125whp on pump gas and up to 260whp on higher octane or E85 mixtures
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
5375445
Mfg#:
JB4G09XMS68
Ships on Jun 19, 2026
$899.00
This product was last offered at the strikethrough price on 05-19-2026
Adds a high fuel pressure connection to the JB4 for S58 platforms, allowing direct control of fuel pressure and fuel trims
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
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Get up to +136 hp and +115 lb-ft through a safe and easy to use app controlled tuning module from RaceChip - now with additional SMART-Features!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Get up to +51 hp and +46 lb-ft through a safe and easy to use tuning module from Racechip - Includes App control for easy tune swtiching via your smartphone
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For 2025+ models with the Gen3 B48 Engine only
Get up to +147 hp and +164 lb-ft through a safe and easy to use tuning module from Racechip
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Get up to +136 hp and +115 lb-ft through a safe and easy to use tuning module from RaceChip
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
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Get up to +99 hp and +88 lb-ft through a safe and easy to use tuning module from Racechip
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Get up to +37 hp and +51 lb-ft through a safe and easy to use tuning module from Racechip
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For 2019-2024 models with the Gen2 B46/B48 Engine only
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
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
If you've upgraded your car or just want a bit more power from your stock vehicle, performance engine software helps maximize your car's potential by letting it know just where the limits are. Improve your driving experience with upgraded performance engine software from our selection of elite software tuners.
Lifetime Replacement
