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 135i Performance Parts & Upgrades

Sort By
Filter By
Return to Top

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 on Nov 12, 2026
$658.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

DO88 Turbo Inlet Hose - E9X/E8X 135i/335i/35i 59mm

ES#4656894 - do88kit213S59 - DO88 Turbo Inlet Hose - E9X/E8X 135i/335i/35i 59mm - Lets your engine breathe significantly better! - DO88 - BMW

Lets your engine breathe significantly better! 59mm diameter for vehicles with an upgraded/larger turbocharger only.

Brand:
DO88 - Corporate Logo
ES#:
4656894
Mfg#:
DO88KIT213S59
In Stock at Vendor
$325.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

DO88 Turbo Inlet Hose - E9X/E8X 135i/335i/35i (54mm)

ES#4656893 - do88kit213S54 - DO88 Turbo Inlet Hose - E9X/E8X 135i/335i/35i (54mm) - Lets your engine breathe significantly better! - DO88 - BMW

Lets your engine breathe significantly better! 54mm diameter for vehicles with an upgraded/larger turbocharger only.

Brand:
DO88 - Corporate Logo
ES#:
4656893
Mfg#:
DO88KIT213S54
In Stock at Vendor
$325.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

GenV RacePort Blow-Off Valve - Purple - Female Flange

ES#4772410 - TS-0204-1143 - GenV RacePort Blow-Off Valve - Purple - Female Flange - Upgrade To The Turbosmart BOV! Fits Chargepipes With Tial/Turbosmart Flange - TurboSmart - BMW

Upgrade To The Turbosmart BOV! Fits Chargepipes With Tial/Turbosmart Flange

Brand:
TurboSmart - Corporate Logo
ES#:
4772410
Mfg#:
TS-0204-1143
In Stock at Vendor
$324.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

AFE Silver Bullet Throttle Body Spacer

ES#2985312 - 46-31007 - AFE Silver Bullet Throttle Body Spacer - Increase your performance with dyno proven gains - AFE - BMW

Increase your performance with dyno proven gains

Brand:
AFE - Corporate Logo
ES#:
2985312
Mfg#:
46-31007
EO#:
D-550-11
In Stock
ON SALE!
$139.00

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

$128.58 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VTT N54 To B58 Coil Conversion Kit

ES#4505241 - VTT-N54-B58-CNV - VTT N54 To B58 Coil Conversion Kit - A plug and play solution for your N54 coils to B58! - Vargas Turbo Technologies - BMW

A plug and play solution for your N54 coils to B58! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4505241
Mfg#:
VTT-N54-B58-CNV
Ships in 8 Business Days
ON SALE!
Starting at $335.99 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

M12 Titanium Wheel Stud Kits

ES#4505191 - TISTUD20125 - M12 Titanium Wheel Stud Kits - Titanium stud conversion to reduce weight, add style and make wheel changing a breeze! - Vargas Turbo Technologies - BMW

Titanium stud conversion to reduce weight, add style and make wheel changing a breeze! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4505191
Mfg#:
TISTUD20125
In Stock
ON SALE!
Starting at $311.99 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Injen SP Series Cold Air Intake

ES#2500813 - SP1126P - Injen SP Series Cold Air Intake - Polished - Includes functional air scoop - Injen - BMW

Polished - Includes functional air scoop CARB certified for sale in all 50 states
For vehicles without Active Steering

Brand:
Injen - Corporate Logo
ES#:
2500813
Mfg#:
SP1126P
EO#:
D-476-8
Ships on Nov 9, 2026
$620.99 USD

Ignition Service Kit

ES#2581944 - E9XOEIGKT - Ignition Service Kit - Everything you need to service your ignition system - Genuine BMW - BMW

Everything you need to service your ignition system

Brand:
Genuine BMW - Corporate Logo
ES#:
2581944
Mfg#:
E9XOEIGKT
Ships in 1 day
$618.17 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

RSL29 Yellow Endurance Racing Brake Pads - Rear

ES#3546305 - 808529 - RSL29 Yellow Endurance Racing Brake Pads - Rear - Popular street and endurance racing pad. Same friction material used in several European racing series. - Pagid Racing - BMW

Popular street and endurance racing pad. Same friction material used in several European racing series.

Brand:
Pagid Racing - Corporate Logo
ES#:
3546305
Mfg#:
808529
In Stock
$299.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BMW Exhaust Valve/Flap Controller

ES#5456687 - BMW.EVFC - BMW Exhaust Valve/Flap Controller - Switch your exhaust on the fly with the push of a button! - Valvetronic Designs - BMW

Switch your exhaust on the fly with the push of a button!

Brand:
Valvetronic Designs - Corporate Logo
ES#:
5456687
Mfg#:
BMW.EVFC
In Stock
$149.99 USD
Free Shipping

SPEC Billet Steel Flywheel

ES#2996300 - SB53S-2 - SPEC Billet Steel Flywheel - Weight - 22lbs - Spec Clutches - BMW

Weight - 22lbs Fits cars with production date 2007 -01/2009 , 8 bolt flywheel

Brand:
Spec Clutches - Corporate Logo
ES#:
2996300
Mfg#:
SB53S-2
Ships in 3 Business Days
$599.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Parts & Upgrades

All the performance 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 Your Privacy Choices Cookie Policy ECS Tuning is part of Enthusiast Auto Holdings