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 Parts & Upgrades

Sort By
Filter By
Return to Top

High-Performance Oil Thermostat Service Kit

ES#4765776 - 090743ECS09KT - High-Performance Oil Thermostat Service Kit - Includes low-temperature oil thermostat, anodized aluminum cover, and Liqui Moly Special-Tec LL oil service kit! - Assembled By ECS - BMW

Includes low-temperature oil thermostat, anodized aluminum cover, and Liqui Moly Special-Tec LL oil service kit! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For 2008+ models only

Brand:
Assembled By ECS - Corporate Logo
ES#:
4765776
Mfg#:
090743ECS09KT
Back Ordered
Auto Notify
ON SALE! SAVE 10%
$249.99

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

$224.54 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

High-Performance Oil Thermostat Service Kit

ES#4765756 - 090766ECS09KT - High-Performance Oil Thermostat Service Kit - Includes low-temperature oil thermostat, anodized aluminum cover, and Liqui Moly Special-Tec LL oil service kit! - Assembled By ECS - BMW

Includes low-temperature oil thermostat, anodized aluminum cover, and Liqui Moly Special-Tec LL oil service kit! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For 2006-2007 models only

Brand:
Assembled By ECS - Corporate Logo
ES#:
4765756
Mfg#:
090766ECS09KT
Back Ordered
Auto Notify
ON SALE! SAVE 10%
$245.99

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

$221.14 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Upper Charge Pipe

ES#3691674 - SG71312 - Upper Charge Pipe - Increased flow and reliability - FTP Motorsport - BMW

Increased flow and reliability affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
FTP Motorsport - Corporate Logo
ES#:
3691674
Mfg#:
SG71312
Special Order: No Guaranteed ETA
$220.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

GS2 Automatic Shift Knob - Silver w/ Black Perforated Air Leather

ES#4424375 - GS2-BMA-2 - GS2 Automatic Shift Knob - Silver w/ Black Perforated Air Leather - Just because your BMW doesn't have a third pedal, doesn't mean it should be stuck with some goofy shifter. - Black Forest Industries - BMW

Just because your BMW doesn't have a third pedal, doesn't mean it should be stuck with some goofy shifter. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Black Forest Industries - Corporate Logo
ES#:
4424375
Mfg#:
GS2-BMA-2
Ships on Jul 29, 2026
$219.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

RaceChip S - Harness Type A *Open Box - New Product*

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

Get up to +51 hp and +70 lb-ft through a safe and easy to use tuning module from RaceChip *Open Box - New Product* affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race Chip - Corporate Logo
ES#:
4339320
Mfg#:
916730
In Stock
ON SALE! SAVE 10%
$239.00

This product was last offered at the strikethrough price on
07-01-2026

$215.10 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
In Stock
ON SALE!
Starting at $0.00 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Dinan High Flow Drop-in Replacement Air Filter - E8X/E6X/E89/E9X - N54

ES#4690574 - D401-0035 - Dinan High Flow Drop-in Replacement Air Filter - E8X/E6X/E89/E9X - N54 - Get the most performance out of your engine! - Dinan - BMW

Get the most performance out of your engine! Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Dinan - Corporate Logo
ES#:
4690574
Mfg#:
D401-0035
In Stock
51% off MSRP

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

$70.99

This product was last offered at the strikethrough price on
06-24-2026

$34.99 USD
Free Shipping

19" Heritage Kokoro MonoC - Priced Each

19x9.5 ET38 5x120 73.1CB - Gloss Black affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Single Wheel
Coilovers Recommended

Brand:
Heritage Wheel - Corporate Logo
ES#:
4769784
Mfg#:
KO5120199538GBL
In Stock
ON SALE! SAVE 32%
$304.99

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

$208.52 USD
This product is lifetime replacement eligible Lifetime Replacement

Turbo Outlet Boost Pipe - Powdercoated Black - E8X/E9X N55

ES#4428232 - 090692ECS09 - Turbo Outlet Boost Pipe - Powdercoated Black - E8X/E9X N55 - Replaces your stock plastic boost pipe for improved flow and reliability - Connects the turbo outlet to the intercooler - ECS - BMW

Replaces your stock plastic boost pipe for improved flow and reliability - Connects the turbo outlet to the intercooler affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4428232
Mfg#:
090692ECS09
Special Order: No Guaranteed ETA
ON SALE! SAVE 15%
$241.99

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

$205.69 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

King Performance BMW N54/N55 Rod Bearings - 2 Pairs

ES#4755727 - CR222GPC026 - King Performance BMW N54/N55 Rod Bearings - 2 Pairs - .026 Oversize - King - BMW

.026 Oversize affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
King - Corporate Logo
ES#:
4755727
Mfg#:
CR222GPC026
Ships in 6 Business Days
$101.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

HEX BOLT

ES#14331 - 07119902976 - HEX BOLT - M6X45 - Genuine BMW - BMW MINI

M6X45 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
14331
Mfg#:
07119902976
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Style Carbon Fiber Trunk Spoiler

ES#5435681 - E82CFPSPOILER - Performance Style Carbon Fiber Trunk Spoiler - Maintain the classic lines of your E82 while adding the high-end appeal of real carbon fiber. - Suvneer - BMW

Maintain the classic lines of your E82 while adding the high-end appeal of real carbon fiber. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Suvneer - Corporate Logo
ES#:
5435681
Mfg#:
E82CFPSPOILER
Ships in 5 Business Days
$203.00 USD

FTP N54 Recirculation Valves blow off valve kit

ES#3617962 - sg71393 - FTP N54 Recirculation Valves blow off valve kit - Upgraded to hold more boost and last longer - FTP Motorsport - BMW

Upgraded to hold more boost and last longer affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
FTP Motorsport - Corporate Logo
ES#:
3617962
Mfg#:
SG71393
Special Order: No Guaranteed ETA
$200.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo Billet Paddle Shifters

ES#4698398 - CTS-HW-499 - CTS Turbo Billet Paddle Shifters - Anodized black to compliment modern BMW interiors - CTS - BMW

Anodized black to compliment modern BMW interiors affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
4698398
Mfg#:
CTS-HW-499
Special Order: No Guaranteed ETA
$199.99 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 ECS Tuning is part of Enthusiast Auto Holdings