BMW E84 X1 xDrive28i N20 2.0L Performance ECU & TCU 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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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

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

Take your Inline-4 BMW to The Next Level With this all in one Tuning Solution! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4810235

Mfg#:

910.1001

$849.00 USD

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Lifetime Replacement

Gains of up to 35HP and 50lb/ft! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Not for sale or use in the state of California.

Brand:

ES#:

3508732

Mfg#:

S1-N20

$399.00 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
07-13-2026

$268.00 USD

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Lifetime Replacement

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

Max gains of up to +45 HP and +38 lb-ft TRQ (Crank); +39 HP and +34 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!
For model years 2012-2018 only

Brand:

ES#:

4490239

Mfg#:

D440-0127

11% off MSRP

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

$760.99

This product was last offered at the strikethrough price on
07-13-2026

$675.99 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#:

4349363

Mfg#:

RACECHIPN20

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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Lifetime Replacement

Increase turbo boost and improve vehicle performance and throttle response with a press of a button affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

3478442

Mfg#:

77-46316

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
07-13-2026

$451.00 USD

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Lifetime Replacement

Upgrade From Your Outdated Batch-Fire Injector Controller! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4810419

Mfg#:

910.1010

$469.00 USD

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Lifetime Replacement

Can leave this dongle plugged in without draining battery. Enables you to wirelessly load MHD flashes and several other functions to your BMW when paired with an Android or iOS device! Compatible with E, F, & G Chassis BMWs! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Newest MHD Flash Adapter - works with E F & G Chassis BMWs!

Brand:

ES#:

4615596

Mfg#:

MHDWIRELESSV2

$99.99 USD

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Lifetime Replacement

Access your BMWs DME wirelessly by connecting to your phone! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

3659328

Mfg#:

OBD2WIFI1

$58.99 USD

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Lifetime Replacement

Access your BMWs DME wirelessly by connecting to your phone! The enthusiast's tool of choice for xHP Flashtool and many other transmission and engine tuning options. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4500854

Mfg#:

XHP-FLASHTOOL

$79.99 USD

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Lifetime Replacement

The ultimate OBD adapter designed to deliver exceptional speed, maximum connection stability, and great performance for flashing, coding, and live monitoring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

5435385

Mfg#:

XA-ULTRA-ADAPTER

$109.00 USD

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Lifetime Replacement