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

VTT Complete N54 Coolant Hose Kit

ES#4045621 - VTT-N54-COOLANT- - VTT Complete N54 Coolant Hose Kit - A complete upgrade to the weak factory hoses. - Vargas Turbo Technologies - BMW

A complete upgrade to the weak factory hoses. 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4045621
Mfg#:
VTT-N54-COOLANT-
Ships in 4 Business Days
$469.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Ignition Service Kit

ES#3690036 - E9XPIGSVKT - Performance Ignition Service Kit - Everything you need to service your ignition system including Bosch spark plugs and Bav Auto ignition coils - Assembled By ECS - BMW

Everything you need to service your ignition system including Bosch spark plugs and Bav Auto ignition coils 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3690036
Mfg#:
E9XPIGSVKT
In Stock
ON SALE! SAVE 19%
$275.99

This product was last offered at the strikethrough price on
05-02-2026

$224.30 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BR Series Coilover Suspension Kit

ES#3509405 - I-11-BR - BR Series Coilover Suspension Kit - Featuring 30 levels of adjustment and performance spring rates and valving that makes the BR Series perfect for both daily drivers and track warriors! - BC Racing - BMW

Featuring 30 levels of adjustment and performance spring rates and valving that makes the BR Series perfect for both daily drivers and track warriors!

Brand:
BC Racing - Corporate Logo
ES#:
3509405
Mfg#:
I-11-BR
In Stock
4% off MSRP

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

$1245.00

This product was last offered at the strikethrough price on
08-21-2026

$1195.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit

ES#4660641 - D650-0003KT2 - Ignition Service Kit - Everything you need to service your ignition system, featuring red Dinan performance ignition Coils! - Dinan - BMW

Everything you need to service your ignition system, featuring red Dinan performance ignition Coils! Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Dinan - Corporate Logo
ES#:
4660641
Mfg#:
D650-0003KT2
In Stock
$323.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VRSF High Flow Catted Downpipe

ES#3984914 - 10902016 - VRSF High Flow Catted Downpipe - 3.5" Ceramic Coated Catted Downpipe - VRSF - BMW

3.5" Ceramic Coated Catted Downpipe We Price Match - Give Us A Call or Chat!

Brand:
VRSF - Corporate Logo
ES#:
3984914
Mfg#:
10902016
In Stock
$489.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VRSF 3" Stainless Steel Catted Downpipes

ES#3984909 - 10902011 - VRSF 3" Stainless Steel Catted Downpipes - 3" Stainless Steel Downpipes with High Flow Catalytic Converter - VRSF - BMW

3" Stainless Steel Downpipes with High Flow Catalytic Converter We Price Match - Give Us A Call or Chat!

Brand:
VRSF - Corporate Logo
ES#:
3984909
Mfg#:
10902011
In Stock
$529.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mosselman Billet Oil Thermostat With Installation Kit

ES#4772311 - otn54.t85KT - Mosselman Billet Oil Thermostat With Installation Kit - The MSL thermostat ensures a cooler oil temperature which will result in more stable performance - Mosselman Turbosystems - BMW

The MSL thermostat ensures a cooler oil temperature which will result in more stable performance

Brand:
Mosselman Turbosystems - Corporate Logo
ES#:
4772311
Mfg#:
OTN54.T85KT
In Stock
$434.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Stage 2R Single Sprung Ceramic Clutch Kit With Flywheel - 8 Bolt

ES#4765843 - XKBM24565-1R - Stage 2R Single Sprung Ceramic Clutch Kit With Flywheel - 8 Bolt - The XClutch Stage 2R Single Disc Clutch offers a lightweight design for improved throttle response combined with an increased torque capacity, making it ideal for racing applications. Rated for 670 ft-lbs! - XClutch - BMW

The XClutch Stage 2R Single Disc Clutch offers a lightweight design for improved throttle response combined with an increased torque capacity, making it ideal for racing applications. Rated for 670 ft-lbs! For Vehicles with Production Date Up to 01/09 with 8 Bolt Crank

Brand:
XClutch - Corporate Logo
ES#:
4765843
Mfg#:
XKBM24565-1R
In Stock
$1593.99 USD
Free Shipping

Wheel Spacer & Bolt Kit - 10mm

ES#205204 - ECS#253KTWB - Wheel Spacer & Bolt Kit - 10mm - Aircraft grade 6061-T6 aluminum spacers designed for precise fitment on your BMW - ECS - BMW

Aircraft grade 6061-T6 aluminum spacers designed for precise fitment on your BMW 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
205204
Mfg#:
ECS#253KTWB
In Stock
ON SALE! SAVE 25%
$178.99

This product was last offered at the strikethrough price on
06-13-2026

$134.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

WPC-Treated Race Series Rod Bearing Set - N52/N54/N55/S55

ES#4845639 - N5X-WPC-RB - WPC-Treated Race Series Rod Bearing Set - N52/N54/N55/S55 - The strongest and smoothest bearings for your BMW, featuring heavy-duty ACL "Duraglide" bearing shells treated by WPC for reduced friction and enhanced durability. - Turner Motorsport - BMW

The strongest and smoothest bearings for your BMW, featuring heavy-duty ACL "Duraglide" bearing shells treated by WPC for reduced friction and enhanced durability. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4845639
Mfg#:
N5X-WPC-RB
In Stock
ON SALE! SAVE 20%
$519.99

This product was last offered at the strikethrough price on
06-13-2026

$415.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N54/N55 Muffler Delete - E82/E88 135

ES#4789482 - 039172LA01 - N54/N55 Muffler Delete - E82/E88 135 - Arguably THE BEST modification for your 135. No cutting necessary, Direct bolt-on for a complete transformation! - ECS - BMW

Arguably THE BEST modification for your 135. No cutting necessary, Direct bolt-on for a complete transformation! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4789482
Mfg#:
039172LA01
In Stock
ON SALE!
Starting at $263.99 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spool Performance Helix HPFP Overdrive Unit

ES#4365382 - SP-54HX-1 - Spool Performance Helix HPFP Overdrive Unit - Safely get more from your HPFP without causing it to fail prematurely! - Spool Performance - BMW

Safely get more from your HPFP without causing it to fail prematurely!

Brand:
Spool Performance - Corporate Logo
ES#:
4365382
Mfg#:
SP-54HX-1
In Stock
$849.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

034 Motorsport Density M3 Arms

ES#4158729 - 034-401-1065 - 034 Motorsport Density M3 Arms - A complete, drop-in replacement for factory control arms for both M and Non-M models. - 034Motorsport - BMW

A complete, drop-in replacement for factory control arms for both M and Non-M models.

Brand:
034Motorsport - Corporate Logo
ES#:
4158729
Mfg#:
034-401-1065
In Stock
ON SALE! SAVE 10%
$381.00

This product was last offered at the strikethrough price on
08-17-2026

$342.90 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

N54/N55 Billet Oil Cooler Thermostat

ES#4809843 - 008731la01KT - N54/N55 Billet Oil Cooler Thermostat - Reduce oil temperatures with an upgraded billet housing and low-temp thermostat! Allows you to add an oil cooler to your vehicle that didn't have the factory option. - Turner Motorsport - BMW

Reduce oil temperatures with an upgraded billet housing and low-temp thermostat! Allows you to add an oil cooler to your vehicle that didn't have the factory option. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4809843
Mfg#:
008731LA01KT
In Stock
ON SALE! SAVE 25%
$343.99

This product was last offered at the strikethrough price on
06-13-2026

$257.99 USD
Free Shipping
on orders $49 and up
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 ECS Tuning is part of Enthusiast Auto Holdings