Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle

No Vehicle selected
Please select your vehicle below.

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

BMW E90 Performance ECU & TCU Tuning

Sort By
Filter By
Return to Top

Stage 1 - With FlashZilla V3

ES#4001187 - bmw-30-62651fzKT - Stage 1 - With FlashZilla V3 - An average gain of 47whp and 58ft-lbs of torque! - Tunezilla - BMW

An average gain of 47whp and 58ft-lbs of torque!

Brand:
Tunezilla - Corporate Logo
ES#:
4001187
Mfg#:
BMW-30-62651FZKT
Ships in 7 Business Days
$739.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

RaceChip GTS Black With App Control - Harness Type B

ES#4349394 - 916736B - RaceChip GTS Black With App Control - Harness Type B - Get up to +75 hp and +105 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip - Race Chip - BMW

Get up to +75 hp and +105 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip

Brand:
Race Chip - Corporate Logo
ES#:
4349394
Mfg#:
916736B
Ships in 5 Business Days
$658.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stage 1

ES#3177785 - BMW-30-6-265-1 - Stage 1 - An average gain of 47whp and 58ft-lbs of torque! - Tunezilla - BMW

An average gain of 47whp and 58ft-lbs of torque!

Brand:
Tunezilla - Corporate Logo
ES#:
3177785
Mfg#:
BMW-30-6-265-1
Ships in 7 Business Days
$629.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

N54 JB+ Quick Install Tuner

ES#3508714 - JBPLUS - N54 JB+ Quick Install Tuner - Plug & play power gain up to 40 horsepower in under one minute! 50 state legal performance! - Burger Motorsports - BMW

Plug & play power — gain up to 40 horsepower in under one minute! 50 state legal performance! CARB Approved - Legal in All 50 States! CARB certified for sale in all 50 states

Brand:
Burger Motorsports - Corporate Logo
ES#:
3508714
Mfg#:
JBPLUS
EO#:
D-744-3
Ships in 3 Business Days
$279.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

AFE Scorcher Power Module

ES#3149349 - 77-46311 - AFE Scorcher Power Module - Increase power without sacrificing reliability - AFE - BMW

Increase power without sacrificing reliability Add up to 40hp and 80lbs/ft. torque to your N55 today!
For vehicles with production date from 03/2011

Brand:
AFE - Corporate Logo
ES#:
3149349
Mfg#:
77-46311
Ships in 3 Business Days
ON SALE!
$451.00

This product was last offered at the strikethrough price on
09-01-2026

$417.18 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Scorcher GT Power Module - E90 E70 M57 Diesel

ES#4390897 - 77-46313 - Scorcher GT Power Module - E90 E70 M57 Diesel - Increase power without sacrificing reliability - AFE - BMW

Increase power without sacrificing reliability

Brand:
AFE - Corporate Logo
ES#:
4390897
Mfg#:
77-46313
Ships in 3 Business Days
ON SALE!
$451.00

This product was last offered at the strikethrough price on
09-01-2026

$417.18 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

AFE Scorcher Power Module

ES#2703096 - 77-46302 - AFE Scorcher Power Module - Increase power without sacrificing reliability - AFE - BMW

Increase power without sacrificing reliability Adds up to 40hp and 51lbs. x ft. torque - instantly!

Brand:
AFE - Corporate Logo
ES#:
2703096
Mfg#:
77-46302
Ships in 3 Business Days
ON SALE!
$399.00

This product was last offered at the strikethrough price on
09-01-2026

$369.08 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

JB4 N54 2 Step / NLS Relay

ES#4070831 - JB4N542STEP - JB4 N54 2 Step / NLS Relay - This add on kit for BMW N54 engines allows your JB4 to "2step" the engine - Burger Motorsports - BMW

This add on kit for BMW N54 engines allows your JB4 to "2step" the engine

Brand:
Burger Motorsports - Corporate Logo
ES#:
4070831
Mfg#:
JB4N542STEP
Ships in 1 Business Day
$35.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

JB Diesel Quick Install Tuner

ES#3508713 - JBD - JB Diesel Quick Install Tuner - Plug & play power gain up to 60 horsepower in under one minute! - Burger Motorsports - BMW

Plug & play power — gain up to 60 horsepower in under one minute!

Brand:
Burger Motorsports - Corporate Logo
ES#:
3508713
Mfg#:
JBD
Ships on Sep 23, 2026
$279.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

RaceChip XLR5 - BMW & MINI Cooper

ES#4884002 - 999982BMW - RaceChip XLR5 - BMW & MINI Cooper - A piggy back tuner that allows you to adjust throttle response for peak performance. - Race Chip - BMW MINI

A piggy back tuner that allows you to adjust throttle response for peak performance.

Brand:
Race Chip - Corporate Logo
ES#:
4884002
Mfg#:
999982BMW
Special Order: No Guaranteed ETA
$259.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

RaceChip S - Harness Type A

ES#4339320 - 916730 - RaceChip S - Harness Type A - Get up to +51 hp and +70 lb-ft through a safe and easy to use tuning module from RaceChip - Race Chip - BMW

Get up to +51 hp and +70 lb-ft through a safe and easy to use tuning module from RaceChip

Brand:
Race Chip - Corporate Logo
ES#:
4339320
Mfg#:
916730
Ships in 5 Business Days
$239.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

RaceChip Tuning Module

ES#4349572 - RACECHIPN55 - RaceChip Tuning Module - Unlock the hidden potential from your BMW with a safe and easy to use module from RaceChip. Options for both harness types A and B - Race Chip - BMW

Unlock the hidden potential from your BMW with a safe and easy to use module from RaceChip. Options for both harness types A and B BMW used two different engine harnesses, please confirm if you have type A or B before ordering

Brand:
Race Chip - Corporate Logo
ES#:
4349572
Mfg#:
RACECHIPN55
Ships in 5 Business Days
Starting at $0.00 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

JB4 Anti Lag Kit

ES#3545487 - BMS-JB4-ALK - JB4 Anti Lag Kit - Instant boost! - Burger Motorsports - BMW

Instant boost!

Brand:
Burger Motorsports - Corporate Logo
ES#:
3545487
Mfg#:
BMS-JB4-ALK
Ships in 2 Business Days
$50.00 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 N52 3.0L W.1 ECU Tune

ES#4732787 - 05-452-00219-8KT - Weistec BMW N52 3.0L W.1 ECU Tune - Increase of +10 Horsepower, and +15 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 +10 Horsepower, and +15 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#:
4732787
Mfg#:
05-452-00219-8KT
Ships in 1 Business Day
$999.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Weistec BMW N52 3.0L W.2 ECU Tune

ES#4732788 - 05-452-00220-0KT - Weistec BMW N52 3.0L W.2 ECU Tune - Increase of +20 Horsepower, and +26 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance high-flow exhausts! - Weistec - BMW

Increase of +20 Horsepower, and +26 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#:
4732788
Mfg#:
05-452-00220-0KT
Ships in 1 Business Day
$1099.00 USD
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.

Let us help you find the parts that fit your BMW

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings