BMW G11 750i xDrive N63 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

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

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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

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Lifetime Replacement

Max gains of up to +53 HP and +55 lb-ft TRQ (Crank); +47 HP and +48 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 vehicles with the N63TU3 Engine only
For 2020+ Models only with the N63TU3 Engine

Brand:

ES#:

4500718

Mfg#:

D440-0160

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
06-24-2026

$675.99 USD

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on orders $49 and up

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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on orders $49 and up

Lifetime Replacement

Maintain driveability and reliability while adding up to 60 HP and 45 lb/ft of torque! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

3508737

Mfg#:

S1-N63-TU

$599.00 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

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

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#:

4349409

Mfg#:

RACEFN63

Starting at $0.00 USD

Customize

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Lifetime Replacement

Stop leaving horsepower on the table and finally experience what your hot-V V8 is truly capable of affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:

ES#:

5481533

Mfg#:

JB4-N63R-GKT

$938.00 USD

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Lifetime Replacement

Increase power without sacrificing reliability affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with model years 2013-2017

Brand:

ES#:

3410511

Mfg#:

77-46323

20% off MSRP

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

$577.99

This product was last offered at the strikethrough price on
06-24-2026

$462.00 USD

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on orders $49 and up

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

Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4714891

Mfg#:

JB4-OBDII-CA

$25.00 USD

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Lifetime Replacement