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BMW 135i Performance Engine & Drivetrain Parts

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Stage 1 Single Sprung Organic Clutch Kit With Flywheel - 8 Bolt

The XClutch Stage 1 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 440 ft-lbs! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles with Production Date Up to 01/09 with 8 Bolt Crank
For Vehicles with Production Date Up to 01/09 with 8 Bolt Crank

Brand:
XClutch - Corporate Logo
ES#:
4765841
Mfg#:
XKBM24565-1A
Ships in 8 Business Days
$1419.99 USD
Free Shipping

Performance Kevlar Reinforced Belt - N55 E Chassis/ N54 E61 E84

ES#4485241 - 7pk1860 - Performance Kevlar Reinforced Belt - N55 E Chassis/ N54 E61 E84 - Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. - ECS - BMW
ECS Tuning recommends this product.

Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! USE CODE ECS20 IN CART FOR BEST PRICE

Brand:
ECS - Corporate Logo
ES#:
4485241
Mfg#:
7PK1860
In Stock
$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

GenV RacePort Blow-Off Valve - Blue - Female Flange

ES#4772405 - TS-0204-1141 - GenV RacePort Blow-Off Valve - Blue - 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#:
4772405
Mfg#:
TS-0204-1141
In Stock
$324.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N54 Performance Radiator Kit - Manual Transmission

ES#4730418 - 17117558480EKT - N54 Performance Radiator Kit - Manual Transmission - Features A CSF High Performance Radiator and must have upgraded silicone cooling lines needed for a confidence inspiring cooling enhancement. - Assembled By ECS - BMW

Features A CSF High Performance 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#:
4730418
Mfg#:
17117558480EKT
In Stock
ON SALE!
$1048.99

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

$1045.27 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

New TTE550 N55 Turbocharger Upgrade

ES#4630190 - TE10074 - New TTE550 N55 Turbocharger Upgrade - One of the best turbo upgrades available for the N55 engine! - The Turbo Engineers - BMW

One of the best turbo upgrades available for the N55 engine! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
The Turbo Engineers - Corporate Logo
ES#:
4630190
Mfg#:
TE10074
Ships on Jun 30, 2026
Starting at $4148.99 USD
Customize
This product is lifetime replacement eligible Lifetime Replacement

N54 Aluminum Oil Catch Can

ES#3984929 - 205420 - N54 Aluminum Oil Catch Can - Keep your N54 clean and be more efficient - VRSF - BMW

Keep your N54 clean and be more efficient affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
VRSF - Corporate Logo
ES#:
3984929
Mfg#:
205420
In Stock
$179.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N55 Turbo Outlet Charge Pipe - Wrinkly Black

ES#4066909 - 10901020E - N55 Turbo Outlet Charge Pipe - Wrinkly Black - Increase throttle response and decreases turbo lag! - VRSF - BMW

Increase throttle response and decreases turbo lag! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
VRSF - Corporate Logo
ES#:
4066909
Mfg#:
10901020E
Ships in 1 Business Day
$179.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

SPEC Stage 1 Performance Clutch Kit (for SPEC single-mass flywheel)

ES#3091142 - SB531-2 - SPEC Stage 1 Performance Clutch Kit (for SPEC single-mass flywheel) - Max torque capacity of 430ft lbs. *Requires Spec Flywheel* - Spec Clutches - BMW

Max torque capacity of 430ft lbs. *Requires Spec Flywheel* affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Use with a SPEC Single Mass Flywheel - Not designed for use with a OE Style Dual Mass Flywheel

Brand:
Spec Clutches - Corporate Logo
ES#:
3091142
Mfg#:
SB531-2
In Stock at Vendor
10% off MSRP

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

$759.00

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

$683.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ultimate Performance Ignition Service Kit

ES#4067002 - E9XUPIGSVKT3 - Ultimate Performance Ignition Service Kit - Includes coils, Brisk 1 stage colder plugs, and dielectric grease. - Assembled By ECS - BMW

Includes coils, Brisk 1 stage colder plugs, and dielectric grease. 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#:
4067002
Mfg#:
E9XUPIGSVKT3
In Stock
ON SALE! SAVE 10%
$278.99

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

$251.04 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

SPEC Stage 5 Performance Clutch Kit (for SPEC single-mass flywheel)

ES#3091151 - SB535-2 - SPEC Stage 5 Performance Clutch Kit (for SPEC single-mass flywheel) - Max torque capacity of 820ft lbs. *Requires Spec Flywheel* - Spec Clutches - BMW

Max torque capacity of 820ft lbs. *Requires Spec Flywheel* affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Spec Clutches - Corporate Logo
ES#:
3091151
Mfg#:
SB535-2
Ships in 3 Business Days
$999.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N54 Charge Pipe And BOV Kit & OEM+ Upgraded Front Mount Intercooler

ES#4876653 - 054380LA01EBKT - N54 Charge Pipe And BOV Kit & OEM+ Upgraded Front Mount Intercooler - Boost power and lower intercooler outlet temperatures with upgraded charge pipe and BOV kit. Upgraded flow, sound, and reliability. - Enthusiast Bundles - BMW

Boost power and lower intercooler outlet temperatures with upgraded charge pipe and BOV kit. Upgraded flow, sound, and reliability. Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876653
Mfg#:
054380LA01EBKT
Ships on Jul 24, 2026
Auto Notify
ON SALE! SAVE 20%
$1000.98

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

$799.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Momentum GT PRO 5R Cold Air Intake System

ES#3612897 - 54-76313 - Momentum GT PRO 5R Cold Air Intake System - An intake that adds style, power, and sound to your engine bay! - AFE - BMW

An intake that adds style, power, and sound to your engine bay! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AFE - Corporate Logo
ES#:
3612897
Mfg#:
54-76313
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.

$543.99

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

$435.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Vargas Ignition Coil Kit - Blue

ES#4465587 - VTT-COIL-N5X-BLU - Vargas Ignition Coil Kit - Blue - Trustworthy Ignition Coils now available from Vargas! - Vargas Turbo Technologies - BMW

Trustworthy Ignition Coils now available from Vargas! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4465587
Mfg#:
VTT-COIL-N5X-BLU
In Stock
$169.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 3 Performance Twin Disc Clutch Kit - 6-Bolt Single Mass Flywheel

ES#3617847 - MS-006-074 - Stage 3 Performance Twin Disc Clutch Kit - 6-Bolt Single Mass Flywheel - Designed to hold 100 to 200% more torque capacity to the wheels. Good for 660 ft/lbs Torque to the wheels. - DKM - BMW

Designed to hold 100 to 200% more torque capacity to the wheels. Good for 660 ft/lbs Torque to the wheels. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 01/2009 with 6 bolt flange
For vehicles with production date from 01/2009 and 6 Bolt Cranshaft

Brand:
DKM - Corporate Logo
ES#:
3617847
Mfg#:
MS-006-074
In Stock
$1299.99 USD
This product is lifetime replacement eligible Lifetime Replacement

D088 BMW Radiator - E9X E82 E89

ES#4656928 - WC370 - D088 BMW Radiator - E9X E82 E89 - Let your engine breathe better with this DO88 Radiator! - DO88 - BMW

Let your engine breathe better with this DO88 Radiator! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For automatics only

Brand:
DO88 - Corporate Logo
ES#:
4656928
Mfg#:
WC370
In Stock
$642.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine & Drivetrain Parts

Worn mounts, bushings, and other drivetrain components rob performance. Replace or upgrade your drivetrain with our extensive catalog of mounts, bushings, clutch kits, and more.

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.

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