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BMW 135i Performance Engine & Drivetrain Parts

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ECS Cooling System Refresh Kit - Level 3

ES#2739952 - 11510392553RKT2 - 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! 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with automatic or DCT transmission only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2739952
Mfg#:
11510392553RKT2
Back Ordered
ON SALE!
$1316.99

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

$1200.53 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

3.46 Pumpkin With Helical LSD

ES#3546447 - e92215346KT - 3.46 Pumpkin With Helical LSD - Allows for traction at all times by providing the most power to the wheel with more grip. Unlike plate differentials (1,1.5,2-way) helical LSDs can supply different spin rates to each axle, like when cornering. - Team MFactory - BMW

Allows for traction at all times by providing the most power to the wheel with more grip. Unlike plate differentials (1,1.5,2-way) helical LSDs can supply different spin rates to each axle, like when cornering. Includes new pumpkin for a complete bolt-in replacement! Includes $500 refundable core charge. The provided core must be a 3.46 ratio to be accepted.

Brand:
Team MFactory - Corporate Logo
ES#:
3546447
Mfg#:
E92215346KT
Ships on Oct 7, 2026
$2382.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Radiator Drain Plug

ES#2996874 - 013197ECS01A - Billet Aluminum Radiator Drain Plug - Fear drain plug removal no more! Eliminates mangled and broken drain plugs. - ECS - BMW

Fear drain plug removal no more! Eliminates mangled and broken drain plugs. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2996874
Mfg#:
013197ECS01A
In Stock
ON SALE! SAVE 25%
$47.99

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

$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CP-Carrillo Forged Piston Set - N54

ES#4753383 - CP-FPS-N54-84 - CP-Carrillo Forged Piston Set - N54 - Upgrade to CP-Carrillo's Forged Pistons in Your N54 Powered BMW! - 5150 Autosport - BMW

Upgrade to CP-Carrillo's Forged Pistons in Your N54 Powered BMW! Upgrade Your N54's Pistons to CP-Carrillo's Forged Piston Set!

Brand:
5150 Autosport - Corporate Logo
ES#:
4753383
Mfg#:
CP-FPS-N54-84
Back Ordered
Starting at $1399.99 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Phenolic Spacer - BMP Manifold 1/2"

ES#4465271 - 501-0081 - Phenolic Spacer - BMP Manifold 1/2" - A must when swapping to metal manifolds! - Precision Raceworks - BMW

A must when swapping to metal manifolds!

Brand:
Precision Raceworks - Corporate Logo
ES#:
4465271
Mfg#:
501-0081
In Stock
$149.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E Series N55 JB4 - Type B Harness

ES#3508707 - JB4-N55-B - E Series N55 JB4 - Type B Harness - Plug & play power gain up to 60 horsepower on a stock car, 100+ horsepower on a modified car! For 2012 and newer vehicles. - Burger Motorsports - BMW

Plug & play power — gain up to 60 horsepower on a stock car, 100+ horsepower on a modified car! For 2012 and newer vehicles. Not for sale or use in the state of California.

Brand:
Burger Motorsports - Corporate Logo
ES#:
3508707
Mfg#:
JB4-N55-B
Ships in 2 Business Days
$559.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

N55/S55 37cc Platinum Series Dish Piston Set - 84.5mm Bore

ES#4685605 - 647005C-6 - N55/S55 37cc Platinum Series Dish Piston Set - 84.5mm Bore - Upgrade to Manley's Platinum Series Pistons for increased performance! Stock 10.2:1 Compression Ratio - MANLEY - BMW

Upgrade to Manley's Platinum Series Pistons for increased performance! Stock 10.2:1 Compression Ratio .50mm Oversize

Brand:
MANLEY - Corporate Logo
ES#:
4685605
Mfg#:
647005C-6
In Stock
8% off MSRP

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

$1208.99

This product was last offered at the strikethrough price on
09-17-2026

$1111.99 USD
Free Shipping
on orders $49 and up

N54/N55 Charge Pipe Throttle Body C-Clip & O-Ring

ES#4428273 - 090746ECS09 - N54/N55 Charge Pipe Throttle Body C-Clip & O-Ring - The perfect replacement for missing or damaged charge pipe O-Ring and C-Clips - ECS - BMW

The perfect replacement for missing or damaged charge pipe O-Ring and C-Clips 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4428273
Mfg#:
090746ECS09
Back Ordered
ON SALE! SAVE 25%
$43.99

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

$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Exact-Fit High Flow Air Filter - Dry

ES#4461018 - 012054LA12-DRY - ECS Exact-Fit High Flow Air Filter - Dry - High flow filter replacement to get your engine breathing better than new! - ECS - BMW

High flow filter replacement to get your engine breathing better than new! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4461018
Mfg#:
012054LA12-DRY
In Stock
ON SALE! SAVE 25%
$83.99

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

$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner Baffled Oil Catch Can - Standard Flow 10oz

ES#4369816 - 022798TMS01-03 - Turner Baffled Oil Catch Can - Standard Flow 10oz - A 4 chamber, baffled oil catch can with a bottom drain option - Turner Motorsport - BMW

A 4 chamber, baffled oil catch can with a bottom drain option 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
4369816
Mfg#:
022798TMS01-03
In Stock
ON SALE! SAVE 25%
$208.99

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

$156.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VRSF 2" Aluminum Turbo Outlet Boost Pipe - Clamp/Coupler

ES#3984898 - 10901035 - VRSF 2" Aluminum Turbo Outlet Boost Pipe - Clamp/Coupler - N54 Boost Pipe upgrade kit with Clamp/Coupler, turbo to intercooler - Also known as a "Hot Side Charge Pipe" - VRSF - BMW

N54 Boost Pipe upgrade kit with Clamp/Coupler, turbo to intercooler - Also known as a "Hot Side Charge Pipe" We Price Match - Give Us A Call or Chat!

Brand:
VRSF - Corporate Logo
ES#:
3984898
Mfg#:
10901035
In Stock
$179.99 USD
Free Shipping
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

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Manufacturer names and/or part numbers are used only for identification purposes.

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