2020 MINI Cooper John Cooper Works Convertible B46D Performance ECU & TCU Tuning

Plug & play power — gain up to 40 horsepower on a stock car, 40+ horsepower on a modified car! Highest HP gains from Burger Motorsport!! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Not for sale or use in the state of California.

Brand:

ES#:

3508722

Mfg#:

MINIB38/B48-JB4

$529.00 USD

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Lifetime Replacement

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!

Brand:

ES#:

3149057

Mfg#:

D440-0012

11% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$310.99

This product was last offered at the strikethrough price on
06-06-2026

$275.99 USD

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Lifetime Replacement

Reduces the delay of your "Drive by Wire" throttle response - All new V3 model provides additional features such as 'valet' and 'pedal lock' modes affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

3177960

Mfg#:

SBMI0003S

$289.99 USD

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Lifetime Replacement

With the all-new Kies WiFi Enet Adapter, you can now use your favorite apps, wirelessly, from one convenient dongle! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4430607

Mfg#:

KIES07-WIFI-AD

$99.99 USD

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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

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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

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Lifetime Replacement

Up to +44HP/+34TQ gain with upper level fuel! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4158602

Mfg#:

NM.648846.2

$379.99 USD

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Lifetime Replacement

Remove the throttle lag and get more instant response. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4940052

Mfg#:

77-20007

20% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$335.00

This product was last offered at the strikethrough price on
12-29-2025

$268.00 USD

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Lifetime Replacement

Improve drivability and add massive power - +43 HP and +61 lb-ft TRQ (Crank); +38 HP and +57 lb-ft TRQ (Wheel) 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!

Brand:

ES#:

4429992

Mfg#:

D440-0141

11% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$749.99

This product was last offered at the strikethrough price on
06-06-2026

$665.99 USD

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Eliminate the delay in throttle response times with a simple XLR addition to your BMW! Allows for Bluetooth connectivy for easy App based control. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4429716

Mfg#:

999981

$299.00 USD

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Lifetime Replacement

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

Brand:

ES#:

4714921

Mfg#:

BMSPBT-MIN

$199.00 USD

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Lifetime Replacement

Increase power without sacrificing reliability: Up to +38 HP/ +48 TQ gains affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

3209828

Mfg#:

77-46309

20% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$563.99

This product was last offered at the strikethrough price on
06-06-2026

$451.00 USD

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on orders $49 and up

Lifetime Replacement

Stylish protective waterproof case for your JB1 or JB4 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

3672109

Mfg#:

JB4-BLT-ENCR

$59.00 USD

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Lifetime Replacement

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

Brand:

ES#:

4349410

Mfg#:

RACECHIPX1X2

Starting at $0.00 USD

Customize

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Lifetime Replacement

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

Brand:

ES#:

4884002

Mfg#:

999982BMW

$259.00 USD

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on orders $49 and up

Lifetime Replacement