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BMW 135i Performance Engine Parts

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Polyurethane Transmission mount Set - Street/Track

ES#2718367 - 002705ECS01 - Polyurethane Transmission mount Set - Street/Track - 80A durometer rating - perfect for aggressive enthusiast driving. Constructed of 304 stainless steel with bonded and constrained polyurethane. - ECS - BMW

80A durometer rating - perfect for aggressive enthusiast driving. Constructed of 304 stainless steel with bonded and constrained polyurethane. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2718367
Mfg#:
002705ECS01
In Stock
ON SALE! SAVE 15%
$115.99

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

$98.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Kohlefaser Luft-Technik Intake System

ES#2713282 - 000951ECS - Kohlefaser Luft-Technik Intake System - In-house engineered to maximize intake airflow for dyno-proven, industry-leading power gains: up to 18hp and 13ft-lbs of torque - at the wheels! - ECS - BMW

In-house engineered to maximize intake airflow for dyno-proven, industry-leading power gains: up to 18hp and 13ft-lbs of torque - at the wheels! 10X Entries For Our 25th Anniversary Sweepstakes!
Hand-laid carbon fiber construction for light weight and dramatic style.

Brand:
ECS - Corporate Logo
ES#:
2713282
Mfg#:
000951ECS
In Stock
ON SALE! SAVE 15%
$1150.99

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

$978.34 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BMP Cylinder Head Coolant Flange

ES#4880971 - 601-0003 - BMP Cylinder Head Coolant Flange - Replaces the stock plastic flange found in the thermostat to cylinder head coolant hose that is known to fail - Precision Raceworks - BMW

Replaces the stock plastic flange found in the thermostat to cylinder head coolant hose that is known to fail

Brand:
Precision Raceworks - Corporate Logo
ES#:
4880971
Mfg#:
601-0003
In Stock
$24.99 USD
Free Shipping
on orders $49 and up

Performance Dual Cone Intake - Blue

ES#3603606 - BMS-N54-DCI-B - Performance Dual Cone Intake - Blue - Replace your restrictive air box with these dual high flow cone filters for the highest possible air flow! - Burger Motorsports - BMW

Replace your restrictive air box with these dual high flow cone filters for the highest possible air flow! CARB certified for sale in all 50 states

Brand:
Burger Motorsports - Corporate Logo
ES#:
3603606
Mfg#:
BMS-N54-DCI-B
EO#:
D-744-2
In Stock
$109.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning N54 Baffled Oil Catch Can System

ES#3194544 - 003779ECS - ECS Tuning N54 Baffled Oil Catch Can System - Utilizing the high pressure PCV circuit for maximum results reducing the need for walnut blasting - ECS - BMW

Utilizing the high pressure PCV circuit for maximum results reducing the need for walnut blasting 10X Entries For Our 25th Anniversary Sweepstakes!
Highly effective can with precise fitment and featuring AN fitting-equipped lines for a leak free install

Brand:
ECS - Corporate Logo
ES#:
3194544
Mfg#:
003779ECS
In Stock
ON SALE!
Starting at $228.77 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Magnum FORCE Pro 5R Stage 2 Air Intake System

ES#264141 - 54-11472 - Magnum FORCE Pro 5R Stage 2 Air Intake System - Excellent sound & power - the ultimate performance intake! +27hp & +34lb/ft! - AFE - BMW

Excellent sound & power - the ultimate performance intake! +27hp & +34lb/ft!

Brand:
AFE - Corporate Logo
ES#:
264141
Mfg#:
54-11472
In Stock at Vendor
ON SALE! SAVE 10%
$479.00

This product was last offered at the strikethrough price on
08-03-2026

$431.10 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

N54/N55 Performance Stepped Intercooler

ES#4920130 - 004253LA02 - N54/N55 Performance Stepped Intercooler - Increased charge air volume and inflow area delivering lower intake air temperatures and increased performance. - Turner Motorsport - BMW

Increased charge air volume and inflow area delivering lower intake air temperatures and increased performance. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4920130
Mfg#:
004253LA02
In Stock
ON SALE! SAVE 15%
$478.99

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

$407.14 USD
Free Shipping

N55 PURE750 Turbo Upgrade - PWG

ES#4658299 - N55Pure750PWG - N55 PURE750 Turbo Upgrade - PWG - Supports up to 600 HP with supplemental fueling upgrades! Experience increased flow and quicker spool! - Pure Turbos - BMW

Supports up to 600 HP with supplemental fueling upgrades! Experience increased flow and quicker spool! PWG models only

Brand:
Pure Turbos - Corporate Logo
ES#:
4658299
Mfg#:
N55PURE750PWG
Ships in 10 Business Days
$3107.99

This product was last offered at the strikethrough price on
07-13-2026

$3107.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VTT N54 Crank Bolt Capture

ES#3614252 - VTT-N54-CBC - VTT N54 Crank Bolt Capture - Don't play roulette with that bottom end, secure that crank bolt and prevent a ride on the tow truck! - Vargas Turbo Technologies - BMW

Don't play roulette with that bottom end, secure that crank bolt and prevent a ride on the tow truck! 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
3614252
Mfg#:
VTT-N54-CBC
In Stock
$129.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

B58 Ignition Coil Conversion Kit - Late N55

ES#5339661 - 051421LA01 - B58 Ignition Coil Conversion Kit - Late N55 - The ULTIMATE N55 ignition system upgrade! This plug-and-play conversion kit offers a 2.3x increase in spark energy and supports over 1000 HP. - Turner Motorsport - BMW

The ULTIMATE N55 ignition system upgrade! This plug-and-play conversion kit offers a 2.3x increase in spark energy and supports over 1000 HP. 10X Entries For Our 25th Anniversary Sweepstakes!
For Vehicles with a Production Date from 01/2011

Brand:
Turner Motorsport - Corporate Logo
ES#:
5339661
Mfg#:
051421LA01
In Stock
ON SALE!
Starting at $436.04 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Mount Intercooler Kit - 7.5" Race - Black

ES#4506198 - E9X-DF-RACE - Front Mount Intercooler Kit - 7.5" Race - Black - Upgrade your intercooler to reduce charge temperatures and increase power - Capable of supporting 800+ HP! - CTS - BMW

Upgrade your intercooler to reduce charge temperatures and increase power - Capable of supporting 800+ HP!

Brand:
CTS - Corporate Logo
ES#:
4506198
Mfg#:
E9X-DF-RACE
Ships in 7 Business Days
$479.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Baffled Oil Catch Can - 8oz

ES#4369812 - 003779ECS05-02 - ECS Tuning Baffled Oil Catch Can - 8oz - Capture harmful oil vapors and keep your intake tract clean. Now featuring an easy to empty drain plug! - ECS - Audi BMW Volkswagen MINI

Capture harmful oil vapors and keep your intake tract clean. Now featuring an easy to empty drain plug! 10X Entries For Our 25th Anniversary Sweepstakes!
For use with custom plumbing and ECS universal mounting bracket kit

Brand:
ECS - Corporate Logo
ES#:
4369812
Mfg#:
003779ECS05-02
In Stock
ON SALE! SAVE 10%
$238.99

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

$215.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N54 Aluminum Coolant Expansion Tank Relocation Kit - 135i

ES#3647096 - 021942TMS14 - N54 Aluminum Coolant Expansion Tank Relocation Kit - 135i - Ditch the weak, factory plastic coolant expansion tank and free up space on the hot side of your engine bay! - Turner Motorsport - BMW

Ditch the weak, factory plastic coolant expansion tank and free up space on the hot side of your engine bay! 10X Entries For Our 25th Anniversary Sweepstakes!
Compatible with factory/aftermarket cold side intakes as well as hot side intakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3647096
Mfg#:
021942TMS14
In Stock
ON SALE! SAVE 15%
$815.99

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

$693.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ARP Head Stud Kit, BMW N55/S55 - Custom Age 625+

ES#4736733 - ARP-HSK-S56-CA - ARP Head Stud Kit, BMW N55/S55 - Custom Age 625+ - Upgrade to 5150's Custom Age 625+ Head Stud Kit Built by ARP! - 5150 Autosport - BMW

Upgrade to 5150's Custom Age 625+ Head Stud Kit Built by ARP!

Brand:
5150 Autosport - Corporate Logo
ES#:
4736733
Mfg#:
ARP-HSK-S56-CA
Ships in 3 Business Days
$999.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N55/S55 37cc Platinum Series Dish Piston Set

ES#4685603 - 647000C-6 - N55/S55 37cc Platinum Series Dish Piston Set - 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 Std. Size

Brand:
MANLEY - Corporate Logo
ES#:
4685603
Mfg#:
647000C-6
In Stock at Vendor
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
08-03-2026

$1111.99 USD
Free Shipping
on orders $49 and up

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.

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