BMW F85 X5 M S63 4.4L Performance ECU & TCU Tuning

Enables precise control of aftermarket performance components like fuel pumps, meth injection kits, boost controllers, port injection kits affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4810266

Mfg#:

900.1001

$729.00 USD

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Lifetime Replacement

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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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

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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

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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Max gains of up to +50 HP and +47 lb-ft TRQ (Crank); +46 HP and +46 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!
Works with 2012-2019 model years

Brand:

ES#:

4674679

Mfg#:

D440-0133

11% off MSRP

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

$787.99

This product was last offered at the strikethrough price on
06-25-2026

$699.99 USD

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Plug & play power — gain up to 60 horsepower on a stock car, 100+ 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#:

3508710

Mfg#:

JB4-S63

$699.00

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

$679.00 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
12-29-2025

$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

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

Brand:

ES#:

4714900

Mfg#:

F-G-PORTINJCONMO

$349.00 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

Increase power without sacrificing reliability! Up to +57 HP/ +84 TQ gains affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4348544

Mfg#:

77-46312

20% off MSRP

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

$625.00

This product was last offered at the strikethrough price on
01-28-2026

$500.00 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#:

4810446

Mfg#:

910.1012

$499.00 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