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BMW M3 Performance ECU & TCU Tuning

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JB4 Fuel Pressure Upgrade Kit - S58

ES#5425069 - JB4FPUS58 - JB4 Fuel Pressure Upgrade Kit - S58 - Adds a high fuel pressure connection to the JB4 for S58 platforms, allowing direct control of fuel pressure and fuel trims - Burger Motorsports - BMW

Adds a high fuel pressure connection to the JB4 for S58 platforms, allowing direct control of fuel pressure and fuel trims

Brand:
Burger Motorsports - Corporate Logo
ES#:
5425069
Mfg#:
JB4FPUS58
Ships on Nov 5, 2026
$175.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

DINANTRONICS X Performance Tuner

ES#4615791 - D440-0137 - DINANTRONICS X Performance Tuner - Max gains of up to +69 HP and +81 lb-ft TRQ (Crank); +62 HP and +73 lb-ft TRQ (Wheel). - Dinan - BMW

Max gains of up to +69 HP and +81 lb-ft TRQ (Crank); +62 HP and +73 lb-ft TRQ (Wheel). Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes
Competition Package models
Competition Package models ONLY

Brand:
Dinan - Corporate Logo
ES#:
4615791
Mfg#:
D440-0137
Ships in 5 Business Days
ON SALE! SAVE 10%
$699.99

This product was last offered at the strikethrough price on
09-28-2026

$629.96 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ReFlex+ Plug-N-Play Harness Kit - Visconti Tuning

ES#4810321 - 200.1103 - ReFlex+ Plug-N-Play Harness Kit - Visconti Tuning - Visconti has created a true plug and play harness kit for Gen 2 B58 and S58 cars! - Motiv Motorsports - BMW

Visconti has created a true plug and play harness kit for Gen 2 B58 and S58 cars!

Brand:
Motiv Motorsports - Corporate Logo
ES#:
4810321
Mfg#:
200.1103
Ships in 5 Business Days
$615.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

NM Engineering Power Module EVO - CS/CSL

ES#5434562 - NM.64508358 - NM Engineering Power Module EVO - CS/CSL - Next-Gen Power Delivery with OEM-Level Integration - up to +95 HP / +70 TQ - NM Engineering - BMW

Next-Gen Power Delivery with OEM-Level Integration - up to +95 HP / +70 TQ For CS and CSL models only - not for standard M3 / M4 models

Brand:
NM Engineering - Corporate Logo
ES#:
5434562
Mfg#:
NM.64508358
Ships in 2 Business Days
$649.00

This product was last offered at the strikethrough price on
09-22-2026

$597.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

NM Engineering Power Module EVO

ES#5434560 - NM.64508058 - NM Engineering Power Module EVO - Next-Gen Power Delivery with OEM-Level Integration - up to +130 HP / +100 TQ - NM Engineering - BMW

Next-Gen Power Delivery with OEM-Level Integration - up to +130 HP / +100 TQ

Brand:
NM Engineering - Corporate Logo
ES#:
5434560
Mfg#:
NM.64508058
Ships in 2 Business Days
$649.00

This product was last offered at the strikethrough price on
09-22-2026

$597.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Weistec BMW E90 M3 W.1 ECU Tune

ES#4732875 - 05-565-00217-1KT - Weistec BMW E90 M3 W.1 ECU Tune - Increase of +25 Horsepower, and +25 Torque, Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications! - Weistec - BMW

Increase of +25 Horsepower, and +25 Torque, Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications!

Brand:
Weistec - Corporate Logo
ES#:
4732875
Mfg#:
05-565-00217-1KT
In Stock at Vendor
$1299.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Weistec BMW S55 W.1 ECU Tune

ES#4708362 - 05-555-00067-3KT - Weistec BMW S55 W.1 ECU Tune - Increase of +121 Horsepower, and +269 Torque! Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications! - Weistec - BMW

Increase of +121 Horsepower, and +269 Torque! Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications! This software is only compatible with Windows PC / Laptop. CARB certified for sale in all 50 states.

Brand:
Weistec - Corporate Logo
ES#:
4708362
Mfg#:
05-555-00067-3KT
EO#:
D-691-4
Ships in 1 Business Day
$1599.00 USD
This product is lifetime replacement eligible Partial Replacement

Weistec BMW S55 W.2 ECU Tune

ES#4708363 - 05-555-00068-4KT - Weistec BMW S55 W.2 ECU Tune - Increase of +170 Horsepower, and +294 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance exhausts & high-flow air filters! - Weistec - BMW

Increase of +170 Horsepower, and +294 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance exhausts & high-flow air filters! This software is only compatible with Windows PC / Laptop.

Brand:
Weistec - Corporate Logo
ES#:
4708363
Mfg#:
05-555-00068-4KT
Ships in 1 Business Day
$1799.00 USD
This product is lifetime replacement eligible Partial Replacement

Weistec BMW E90 M3 W.2 ECU Tune

ES#4732876 - 05-565-00218-2KT - Weistec BMW E90 M3 W.2 ECU Tune - Increase of +40 Horsepower, and +45 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance high-flow exhausts! - Weistec - BMW

Increase of +40 Horsepower, and +45 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance high-flow exhausts!

Brand:
Weistec - Corporate Logo
ES#:
4732876
Mfg#:
05-565-00218-2KT
In Stock at Vendor
$1399.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

SCORCHER BLUE Bluetooth Power Module

ES#4447416 - 77-86326 - SCORCHER BLUE Bluetooth Power Module - Increase power without sacrificing reliability - AFE - BMW

Increase power without sacrificing reliability

Brand:
AFE - Corporate Logo
ES#:
4447416
Mfg#:
77-86326
Back Ordered
ON SALE!
$593.00

This product was last offered at the strikethrough price on
10-19-2026

$548.53 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MHD Wireless OBDII "Universal" Wifi Flash Adapter V2

ES#4615596 - MHDWIRELESSV2 - MHD Wireless OBDII "Universal" Wifi Flash Adapter V2 - 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! - MHD Tuning - BMW

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! Newest MHD Flash Adapter - works with E F & G Chassis BMWs!

Brand:
MHD Tuning - Corporate Logo
ES#:
4615596
Mfg#:
MHDWIRELESSV2
In Stock
$99.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

MHD CAN FlexFuel Analyzer - G-Chassis B58/S58

ES#4690036 - ECA-G-B58-S58-AT - MHD CAN FlexFuel Analyzer - G-Chassis B58/S58 - Enable flex-fuel features on your tuned BMW with this plug and play kit! Compatible with MHD or ECUTEK tunes and works with the stock or TU High Pressure Fuel Pump - MHD Tuning - BMW

Enable flex-fuel features on your tuned BMW with this plug and play kit! Compatible with MHD or ECUTEK tunes and works with the stock or TU High Pressure Fuel Pump For vehicles with an Automatic Transmission only
S58 Engines - Automatic Transmission (Any HPFP)

Brand:
MHD Tuning - Corporate Logo
ES#:
4690036
Mfg#:
ECA-G-B58-S58-AT
In Stock
$490.00 USD
Free Shipping
on orders $49 and up

MHD CAN FlexFuel Analyzer - F-Chassis AT

ES#4690035 - ECA-F-B58-AT - MHD CAN FlexFuel Analyzer - F-Chassis AT - Enable flex-fuel features on your tuned BMW with this plug and play kit! Compatible with MHD, BM3, or ECUTEK tunes and works with any High Pressure Fuel Pump. - MHD Tuning - BMW

Enable flex-fuel features on your tuned BMW with this plug and play kit! Compatible with MHD, BM3, or ECUTEK tunes and works with any High Pressure Fuel Pump. For vehicles with an Automatic Transmission only
For models with an Automatic Transmission or DCT only

Brand:
MHD Tuning - Corporate Logo
ES#:
4690035
Mfg#:
ECA-F-B58-AT
In Stock
$490.00 USD
Free Shipping

Thor OBD II Wifi Dongle

ES#3659328 - OBD2WIFI1 - Thor OBD II Wifi Dongle - Access your BMWs DME wirelessly by connecting to your phone! - THOR - BMW MINI

Access your BMWs DME wirelessly by connecting to your phone!

Brand:
THOR - Corporate Logo
ES#:
3659328
Mfg#:
OBD2WIFI1
In Stock
$58.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

xA Ultra WiFi Adapter

ES#5435385 - xA-Ultra-Adapter - xA Ultra WiFi Adapter - The ultimate OBD adapter designed to deliver exceptional speed, maximum connection stability, and great performance for flashing, coding, and live monitoring - xHP - BMW MINI

The ultimate OBD adapter designed to deliver exceptional speed, maximum connection stability, and great performance for flashing, coding, and live monitoring

Brand:
xHP - Corporate Logo
ES#:
5435385
Mfg#:
XA-ULTRA-ADAPTER
Back Ordered
$109.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

XHP Flashtool Wifi OBD Adapter

ES#4500854 - xHP-Flashtool - XHP Flashtool Wifi OBD Adapter - 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. - xHP - BMW MINI

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.

Brand:
xHP - Corporate Logo
ES#:
4500854
Mfg#:
XHP-FLASHTOOL
In Stock
$79.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance ECU & TCU Tuning

All the performance ECU/TCU upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.

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