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

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
affirm financing terms & conditions
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

BMW 135i Performance Engine Parts

Sort By
Filter By
Return to Top

Thermostat Cover Upgrade Kit - Black

ES#4428271 - 090744ECS09 - Thermostat Cover Upgrade Kit - Black - Dress up your engine bay and add a bit of additional oil cooling - ECS - BMW

Dress up your engine bay and add a bit of additional oil cooling affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4428271
Mfg#:
090744ECS09
Back Ordered
Auto Notify
ON SALE! SAVE 15%
$79.99

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

$67.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bucketed Performance Fuel Pump - Stage 3.75 (v2)

ES#4883138 - 601-0113 - Bucketed Performance Fuel Pump - Stage 3.75 (v2) - Increased fueling for bigger power - Supports up to 1150whp! - Precision Raceworks - BMW

Increased fueling for bigger power - Supports up to 1150whp! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Precision Raceworks - Corporate Logo
ES#:
4883138
Mfg#:
601-0113
Ships in 9 Business Days
$1018.99 USD
Free Shipping
on orders $49 and up

3.5" Black Chrome Swivel Exhaust Tips - Set of 4

ES#4901434 - 049478LA03-02KT1 - 3.5" Black Chrome Swivel Exhaust Tips - Set of 4 - Universal exhaust tips with a swivel adjustability to fine tune your exhaust. 2.5" Inlet & a 3.5" Double Wall, Angle Cut Outlet - Turner Motorsport - BMW MINI

Universal exhaust tips with a swivel adjustability to fine tune your exhaust. 2.5" Inlet & a 3.5" Double Wall, Angle Cut Outlet affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4901434
Mfg#:
049478LA03-02KT1
Ships on Jul 27, 2026
Auto Notify
ON SALE! SAVE 10%
$279.99

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

$251.96 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner N54 Performance Radiator Kit - Manual Transmission

ES#4932493 - 004443LA01KT - Turner N54 Performance Radiator Kit - Manual Transmission - Features A CSFxTurner High Performance Dual Core Radiator and must have upgraded silicone cooling lines needed for a confidence inspiring cooling enhancement. - Assembled By ECS - BMW

Features A CSFxTurner High Performance Dual Core Radiator and must have upgraded silicone cooling lines needed for a confidence inspiring cooling enhancement. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4932493
Mfg#:
004443LA01KT
Ships on Sep 14, 2026
Auto Notify
ON SALE!
$1092.99

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

$1004.64 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Replacement Universal Oil Cooler - 19 Row

ES#2855412 - MM0C-19 - Replacement Universal Oil Cooler - 19 Row - Serious engine oil cooling for the most demanding engines - Mishimoto - Audi BMW Volkswagen MINI

Serious engine oil cooling for the most demanding engines affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
2855412
Mfg#:
MM0C-19
In Stock
$218.99

This product was last offered at the strikethrough price on
05-06-2026

$196.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

JB4 OBDII Cable - 2 Position (Cable Only)

ES#4714891 - JB4-OBDII-CA - JB4 OBDII Cable - 2 Position (Cable Only) - Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash. - Burger Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

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:
Burger Motorsports - Corporate Logo
ES#:
4714891
Mfg#:
JB4-OBDII-CA
In Stock
$25.00 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
TurboSmart - Corporate Logo
ES#:
4772410
Mfg#:
TS-0204-1143
In Stock
$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#519037 - 46-31002 - AFE Silver Bullet Throttle Body Spacer - Increase your performance with dyno proven gains - AFE - BMW

Increase your performance with dyno proven gains affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
CARB certified for sale in all 50 states

Brand:
AFE - Corporate Logo
ES#:
519037
Mfg#:
46-31002
EO#:
D-550-11
In Stock
20% off MSRP

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

$173.99

This product was last offered at the strikethrough price on
01-28-2026

$139.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS TURBO BMW N54 BOV PIPE (TIAL FLANGE)

ES#2862984 - CTSIT900 - CTS TURBO BMW N54 BOV PIPE (TIAL FLANGE) - Designed exclusively for use with TiAL Q atmospheric Blow off Valve - CTS - BMW

Designed exclusively for use with TiAL Q atmospheric Blow off Valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
2862984
Mfg#:
CTSIT900
Ships in 7 Business Days
ON SALE! SAVE 15%
$189.99

This product was last offered at the strikethrough price on
06-09-2026

$161.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

N54/N55 Multi-Port Injection Kit - 950cc

ES#4883232 - 601-0188 - N54/N55 Multi-Port Injection Kit - 950cc - The ultimate supplementary fueling kit for the N54 and N55 engines! - Precision Raceworks - BMW

The ultimate supplementary fueling kit for the N54 and N55 engines! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Precision Raceworks - Corporate Logo
ES#:
4883232
Mfg#:
601-0188
In Stock
$959.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport Double Wall Slash Cut Exhaust Tip - 2.5 Inlet 3.0 OD - Stepped Right - Brushed Stainless

ES#4146865 - 026732TMS06-02 - Turner Motorsport Double Wall Slash Cut Exhaust Tip - 2.5 Inlet 3.0 OD - Stepped Right - Brushed Stainless - Right - Brushed Stainless Slash Cut Exhaust Tip - 2.5 Inlet - 3.0 OD - Turner Motorsport - BMW MINI

Right - Brushed Stainless Slash Cut Exhaust Tip - 2.5 Inlet - 3.0 OD affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4146865
Mfg#:
026732TMS06-02
In Stock
ON SALE! SAVE 26%
$125.99

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

$92.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water/Methanol Nozzle - 8GPH

ES#4362075 - SN0-N0800 - Water/Methanol Nozzle - 8GPH - Snow Performance Hyper-Sonic water-methanol injection nozzle - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Snow Performance Hyper-Sonic water-methanol injection nozzle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4362075
Mfg#:
SN0-N0800
In Stock at Vendor
$31.99 USD
Free Shipping
on orders $49 and up

Turner Motorsport Aluminum Solid Transmission Mounts

ES#3438526 - 017730TMS03 - Turner Motorsport Aluminum Solid Transmission Mounts - Designed for track use to eliminate deflection and drive line slop - Turner Motorsport - BMW

Designed for track use to eliminate deflection and drive line slop affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3438526
Mfg#:
017730TMS03
In Stock
ON SALE! SAVE 27%
$113.99

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

$82.77 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

PCV Cover & Valve Upgrade

ES#5445538 - VTT-N54-UPCVVK - PCV Cover & Valve Upgrade - Ensures a superior seal that can withstand the high-pressure environments of tuned and high-horsepower N54 engines. - Vargas Turbo Technologies - BMW

Ensures a superior seal that can withstand the high-pressure environments of tuned and high-horsepower N54 engines. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
5445538
Mfg#:
VTT-N54-UPCVVK
Ships in 8 Business Days
$64.99 USD
Free Shipping

ECS Cooling System Refresh Kit - Level 3

ES#2739949 - 11537558522KT2 - ECS Cooling System Refresh Kit - Level 3 - Everything you need to totally service your cooling system, including a radiator and belt service. Now includes ECS Billet Aluminum Radiator Drain Plug! - Assembled By ECS - BMW

Everything you need to totally service your cooling system, including a radiator and belt service. Now includes ECS Billet Aluminum Radiator Drain Plug! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with manual transmission only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2739949
Mfg#:
11537558522KT2
Back Ordered
Auto Notify
ON SALE! SAVE 19%
$1110.99

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

$903.13 USD
This product is lifetime replacement eligible Partial Replacement

Universal Exhaust Wrap - Lava

ES#4028212 - TS-EW-L - Universal Exhaust Wrap - Lava - Increase power by containing exhaust heat - Lava - Torque Solution - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Increase power by containing exhaust heat - Lava affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Torque Solution - Corporate Logo
ES#:
4028212
Mfg#:
TS-EW-L
In Stock
Starting at $29.99 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine Parts

Our name says it all. That's why ECS Tuning is dedicated to providing our customers with the broadest possible assortment of engine tuning options at a range of prices and options to fit any budget. Start small and grow your car into something special with performance engine upgrades from a company that has tuning in its name and its blood.

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