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BMW 135i Most Popular Parts

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N55 Valve Cover kit

ES#3604200 - 11127570292KT - N55 Valve Cover kit - Includes everything needed to install a new valve cover - Assembled By ECS - BMW
ECS Tuning recommends this product.

Includes everything needed to install a new valve cover 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3604200
Mfg#:
11127570292KT
In Stock
ON SALE! SAVE 25%
$316.44

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

$237.43 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Dual Clutch Gear Oil 8100 - 1 Liter

ES#3135701 - 20044 - Dual Clutch Gear Oil 8100 - 1 Liter - Transmission fluid for your DSG or PDK equipped vehicle - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Transmission fluid for your DSG or PDK equipped vehicle 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3135701
Mfg#:
20044
In Stock
29% off MSRP

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

$28.99

This product was last offered at the strikethrough price on
03-12-2026

$20.59 USD
Free Shipping
on orders $49 and up

Valvetronic Actuator

ES#4759484 - 11377603979 - Valvetronic Actuator - Also known as the eccentric shaft or timing actuator. - Bavarian Autosport - BMW

Also known as the eccentric shaft or timing actuator. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4759484
Mfg#:
11377603979
In Stock
ON SALE! SAVE 13%
$228.99

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

$199.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Full Aluminum Water Pump

ES#4488334 - 11515A05704 - Full Aluminum Water Pump - Oe replacment water pump featuring all aluminum construction - Pierburg - BMW

Oe replacment water pump featuring all aluminum construction

Brand:
Pierburg - Corporate Logo
ES#:
4488334
Mfg#:
11515A05704
In Stock
$615.05

This product was last offered at the strikethrough price on
04-01-2026

$537.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ultimate Performance Ignition Service Kit

ES#3690037 - E9XuPIGSVKT - Ultimate Performance Ignition Service Kit - Everything you need to service your ignition system including NGK colder spark plugs and Bav Auto ignition coils - Assembled By ECS - BMW
ECS Tuning recommends this product.

Everything you need to service your ignition system including NGK colder spark plugs and Bav Auto ignition coils 10X Entries For Our 25th Anniversary Sweepstakes!
Includes NGK 97506 which are two step colder than stock

Brand:
Assembled By ECS - Corporate Logo
ES#:
3690037
Mfg#:
E9XUPIGSVKT
In Stock
ON SALE! SAVE 11%
$285.99

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

$253.56 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N54 Performance Flywheel And Clutch Kit - 8 Bolt

ES#4876789 - n54pcKT - N54 Performance Flywheel And Clutch Kit - 8 Bolt - Lightweight flywheel for quicker response and acceleration, paired with an upgraded BMW clutch. A perfect combination for the modified daily driver. - Assembled By ECS - BMW

Lightweight flywheel for quicker response and acceleration, paired with an upgraded BMW clutch. A perfect combination for the modified daily driver. 10X Entries For Our 25th Anniversary Sweepstakes!
8 bolt flywheel and build date up to 01/2009 or earlier. Includes Clutch Alignment tool.

Brand:
Assembled By ECS - Corporate Logo
ES#:
4876789
Mfg#:
N54PCKT
In Stock
$917.99 USD
This product is lifetime replacement eligible Lifetime Replacement

N52/N54/N55/S55 Crank Seal Guard

ES#4674312 - 049453LA01-02 - N52/N54/N55/S55 Crank Seal Guard - You can't put a price on piece of mind. A simple bolt on solution to keep your engine safe from catastrophic failure. - Turner Motorsport - BMW

You can't put a price on piece of mind. A simple bolt on solution to keep your engine safe from catastrophic failure. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4674312
Mfg#:
049453LA01-02
In Stock
ON SALE! SAVE 25%
$132.99

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

$99.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N54 Turbocharger Installation Kit - Front And Rear

ES#2628682 - 13712247398KT1 - N54 Turbocharger Installation Kit - Front And Rear - All hardware required for a successful install utilizing high quality aftermarket components - Assembled By ECS - BMW
ECS Tuning recommends this product.

All hardware required for a successful install utilizing high quality aftermarket components 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2628682
Mfg#:
13712247398KT1
In Stock
ON SALE!
$389.60 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

High-Performance Ignition Coil - Set Of 6

ES#4872326 - b50056KT - High-Performance Ignition Coil - Set Of 6 - Modified core windings offer increased spark for a faster and more efficient burn. - Bavarian Autosport - BMW

Modified core windings offer increased spark for a faster and more efficient burn. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4872326
Mfg#:
B50056KT
In Stock
ON SALE! SAVE 20%
$179.99

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

$143.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VRSF Performance HD Intercooler Upgrade Kit - 5

ES#3984924 - 10903070 - VRSF Performance HD Intercooler Upgrade Kit - 5 - Allow for more HP gains and Eliminate heat soak - VRSF - BMW

Allow for more HP gains and Eliminate heat soak We Price Match - Give Us A Call or Chat!

Brand:
VRSF - Corporate Logo
ES#:
3984924
Mfg#:
10903070
In Stock
$379.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

New Alternator - 180amp

ES#4759696 - 12317558220 - New Alternator - 180amp - Brand new, not remanufactured. No core charge! - Bavarian Autosport - BMW

Brand new, not remanufactured. No core charge! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4759696
Mfg#:
12317558220
In Stock
ON SALE! SAVE 10%
$294.99

This product was last offered at the strikethrough price on
06-30-2026

$265.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

18" Alzor Style 881 "Ready-To-Roll" Staggered Wheel & Tire Package - w/ Ironman Tires

ES#5375000 - 881-IM-22540/255 - 18" Alzor Style 881 "Ready-To-Roll" Staggered Wheel & Tire Package - w/ Ironman Tires - 18x8.5/18x9.5 ET35 5x120 72.6CB - Silver/Machined Lip - With Professionally Mounted & Balanced Ironman iMove Gen 3 UHP Tires (225/40R18 & 255/35R18) - Alzor - BMW

18x8.5/18x9.5 ET35 5x120 72.6CB - Silver/Machined Lip - With Professionally Mounted & Balanced Ironman iMove Gen 3 UHP Tires (225/40R18 & 255/35R18) 10X Entries For Our 25th Anniversary Sweepstakes!
Does not include TPMS sensors

Brand:
Alzor - Corporate Logo
ES#:
5375000
Mfg#:
881-IM-22540/255
Ships on Oct 16, 2026
Auto Notify
ON SALE! SAVE 22%
$1761.99

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

$1370.00 USD

N20/N52/N54 Heavy Duty Aluminum Expansion Tank Kit

ES#4635669 - 008378LA02 - N20/N52/N54 Heavy Duty Aluminum Expansion Tank Kit - As expansion tanks age, they are prone to cracking or even exploding. Replace your factory plastic coolant reservoir with a Turner Heavy Duty aluminum tank for durability and piece of mind! - Turner Motorsport - BMW
ECS Tuning recommends this product.

As expansion tanks age, they are prone to cracking or even exploding. Replace your factory plastic coolant reservoir with a Turner Heavy Duty aluminum tank for durability and piece of mind! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4635669
Mfg#:
008378LA02
In Stock
ON SALE! SAVE 20%
$479.99

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

$383.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N54 Valve Cover - Aluminum

ES#4623944 - 11127565284M - N54 Valve Cover - Aluminum - Finally! A quality aluminum replacement valve cover! Eliminate leaks and add some style to the engine bay. - Bremmen Parts - BMW
ECS Tuning recommends this product.

Finally! A quality aluminum replacement valve cover! Eliminate leaks and add some style to the engine bay. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4623944
Mfg#:
11127565284M
In Stock
ON SALE! SAVE 20%
$435.99

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

$349.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

High Performance Aluminum Radiator

ES#2992648 - 7045 - High Performance Aluminum Radiator - Featuring an all-aluminum tank and core plus OE-style quick connects. Lower engine temperatures mean more power and longer life of engine components! - CSF - BMW

Featuring an all-aluminum tank and core plus OE-style quick connects. Lower engine temperatures mean more power and longer life of engine components! 2X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with manual transmission only

Brand:
CSF - Corporate Logo
ES#:
2992648
Mfg#:
7045
In Stock
$589.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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