BMW Performance Software & Tuning

Wirelessly connect your JB4 to your phone! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For JB4 systems produced 2017 and later. Please check board diagrams to properly identify your JB4 before ordering.

Brand:

ES#:

3514868

Mfg#:

JB4-SPWCK-F

$159.00 USD

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on orders $49 and up

Lifetime Replacement

Unlock additional power and performance with the JB4 tuner affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4905037

Mfg#:

JB4-B48

$599.00 USD

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on orders $49 and up

Lifetime Replacement

Remove the dead area from your throttle pedal. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

3643099

Mfg#:

BMSPBT

$199.00 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement

Quick and simple add-on for increased power! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4714938

Mfg#:

JBPLUS-B48-3W

$238.99 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement

Plug & play power — gain up to 100 horsepower on a stock car! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For G-Chassis Vehicles Only; Not for sale or use in California

Brand:

ES#:

4212682

Mfg#:

JB4-N63R-G

$779.00 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement

Plug & play power — Gains are 80whp/100wtq on pump gas and up to 150whp/175tq on higher octane or E85 mixtures! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4623439

Mfg#:

S58JB4-G8X

$799.00 USD

Add to Cart

Free Shipping

Lifetime Replacement

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)

Brand:

ES#:

4212683

Mfg#:

JB4-N63-F-A

$779.00 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement

Quick and simple add-on for increased power! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For FWD models with 4 wire TMAP Sensor

Brand:

ES#:

4714937

Mfg#:

JBPLUS-B48-4W-MA

$239.00 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement

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)

Brand:

ES#:

4212684

Mfg#:

JB4-N63-F-B

$679.00 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement

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

Brand:

ES#:

4212685

Mfg#:

JB4-N63TU-F

$679.00 USD

Add to Cart

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Lifetime Replacement

Plug & play power — gain up to 60 horsepower on a stock car, 80+ horsepower on a modified car with a B58! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Not for sale or use in the state of California.

Brand:

ES#:

4905036

Mfg#:

JB4-B58-GEN2

$599.00 USD

Add to Cart

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on orders $49 and up

Lifetime Replacement

Fuel-It! CANfuel allows your ECU to control up to 8 fuel injectors sequentially in addition to an ethanol content sensor, low fuel pressure sensor, extra pressure sensors, EGT probes, external fuel pumps, and much more. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For N54 equipped E chassis vehicles only

Brand:

ES#:

4041068

Mfg#:

N54-PORTINJCONMO

$599.00 USD

Add to Cart

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on orders $49 and up

Lifetime Replacement

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.

Brand:

ES#:

3508698

Mfg#:

JB4-BT

$149.00

This product was last offered at the strikethrough price on
05-12-2026

$99.00 USD

Add to Cart

Free Shipping

Lifetime Replacement

Plug & play power — gain up to 100 horsepower on a stock car, 160+ horsepower on a modified car! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Not for sale or use in the state of California.

Brand:

ES#:

3508712

Mfg#:

JB4N54

$479.00

This product was last offered at the strikethrough price on
05-19-2026

$379.00 USD

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Lifetime Replacement

Plug & play power — gain up to 60 horsepower on a stock car, 100+ horsepower on a modified car! For Electronic waste gate! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*For Electronic waste-gate*

Brand:

ES#:

3508701

Mfg#:

JB4-F30-EWG

$599.00 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement

Plug & play power — Gains are 80whp/100wtq on pump gas and up to 150whp/175tq on higher octane or E85 mixtures! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

5424817

Mfg#:

S58JB4PRO

$899.00 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement