2021 MINI Cooper John Cooper Works 3 Door B46D Performance Chips, Tunes & Software

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
06-16-2026

$451.00 USD

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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

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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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Lifetime Replacement

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

Brand:

ES#:

4714892

Mfg#:

JB4-OBDII-CA-MC

$30.00 USD

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Lifetime Replacement

Plug-and-play performance solution - Enjoy additional HP and Torque without voiding warranty! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

3558797

Mfg#:

CW01481

$499.99 USD

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Lifetime Replacement