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BMW 135i Most Popular Parts

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Performance Kevlar Reinforced Belt - N54

ES#4485240 - 7pk1855 - Performance Kevlar Reinforced Belt - N54 - 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. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4485240
Mfg#:
7PK1855
Ships on Nov 12, 2026
Auto Notify
$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

OEM+ Upgraded Front Mount Intercooler

ES#4752926 - 054380LA01 - OEM+ Upgraded Front Mount Intercooler - Boost power and lower intercooler outlet temperatures! - ECS - BMW

Boost power and lower intercooler outlet temperatures! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4752926
Mfg#:
054380LA01
In Stock
ON SALE! SAVE 15%
$461.99

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

$392.69 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Return Line

ES#4772997 - 17127548230 - Heater Return Line - From the heater core to the expansion tank - Bremmen Parts - BMW

From the heater core to the expansion tank 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with automatic transmission

Brand:
Bremmen Parts - Corporate Logo
ES#:
4772997
Mfg#:
17127548230
In Stock
ON SALE! SAVE 15%
$101.99

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

$86.69 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

TC Kline Racing Single Adjustable Street/Track Coilover Kit

ES#4069950 - TCKE9XSingleKit - TC Kline Racing Single Adjustable Street/Track Coilover Kit - Lifetime warranty on street-driven cars! Featuring proprietary single-adjustable Koni dampers, front camber plates, and 300#F/600#R springs - TC Kline Racing - BMW

Lifetime warranty on street-driven cars! Featuring proprietary single-adjustable Koni dampers, front camber plates, and 300#F/600#R springs

Brand:
TC Kline Racing - Corporate Logo
ES#:
4069950
Mfg#:
TCKE9XSINGLEKIT
Ships in 1 Business Day
$2484.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Dual Mass Flywheel

ES#3146988 - 21207640733 - Dual Mass Flywheel - High quality replacement flywheel - LUK - BMW
ECS Tuning recommends this product.

High quality replacement flywheel We Price Match - Give Us A Call or Chat!
For vehicles with manual transmission

Brand:
LUK - Corporate Logo
ES#:
3146988
Mfg#:
21207640733
In Stock
$1239.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front & Rear Brake Service Kit

ES#2649825 - 34116778647KT3 - Front & Rear Brake Service Kit - Featuring Zimmermann rotors and ECS DD23 "Daily Driver" ceramic pads. - Assembled By ECS - BMW

Featuring Zimmermann rotors and ECS DD23 "Daily Driver" ceramic pads. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2649825
Mfg#:
34116778647KT3
In Stock
ON SALE! SAVE 25%
$757.99

This product was last offered at the strikethrough price on
05-04-2026

$569.87 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Shock Absorber - Priced Each

ES#2696293 - 33526779985 - Rear Shock Absorber - Priced Each - OE replacement to restore control and ride quality - Sachs - BMW

OE replacement to restore control and ride quality We Price Match - Give Us A Call or Chat!

Brand:
Sachs - Corporate Logo
ES#:
2696293
Mfg#:
33526779985
In Stock
$84.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

G1 Differential Fluid - Priced Each

ES#2612062 - 83222295532 - G1 Differential Fluid - Priced Each - Hypoid axle oil G1 - Genuine BMW - BMW MINI

Hypoid axle oil G1

Brand:
Genuine BMW - Corporate Logo
ES#:
2612062
Mfg#:
83222295532
Ships in 2 Business Days
$121.17 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Dynamic+ Sway Bar Bundle

ES#4765895 - 034-402-1032 - Dynamic+ Sway Bar Bundle - Maximize handling performance by reducing body roll and improve turn-in - 034Motorsport - BMW

Maximize handling performance by reducing body roll and improve turn-in

Brand:
034Motorsport - Corporate Logo
ES#:
4765895
Mfg#:
034-402-1032
In Stock
ON SALE! SAVE 10%
$820.00

This product was last offered at the strikethrough price on
08-17-2026

$738.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Wheel Bearing & Hub Kit

ES#2184276 - 31216765157 - Front Wheel Bearing & Hub Kit - Includes the wheel bearing, hub, and installation hardware needed to replace one of your front wheel hub assemblies - FAG - BMW
ECS Tuning recommends this product.

Includes the wheel bearing, hub, and installation hardware needed to replace one of your front wheel hub assemblies

Brand:
FAG - Corporate Logo
ES#:
2184276
Mfg#:
31216765157
In Stock
$126.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Position Sensor

ES#34389 - 13627525015 - Crankshaft Position Sensor - Having a crank but no starting issue? This sensor is often the culprit - Genuine BMW - BMW

Having a crank but no starting issue? This sensor is often the culprit

Brand:
Genuine BMW - Corporate Logo
ES#:
34389
Mfg#:
13627525015
In Stock
16% off MSRP

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

$175.17

This product was last offered at the strikethrough price on
08-21-2026

$146.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rod Bearing Replacement Kit

ES#4842872 - 11247589671KT - Rod Bearing Replacement Kit - Perfect for preventative maintenance or performance upgrades, this rod bearing kit safeguards your BMWs engine health. - Assembled By ECS - BMW

Perfect for preventative maintenance or performance upgrades, this rod bearing kit safeguards your BMW’s engine health. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4842872
Mfg#:
11247589671KT
Back Ordered
Auto Notify
ON SALE!
$563.99

This product was last offered at the strikethrough price on
05-15-2026

$560.54 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Engine Oil Pan - N54 N55

ES#4381839 - 11137570400 - Engine Oil Pan - N54 N55 - OEM quality replacement for a cracked or damaged oil pan. - Bremmen Parts - BMW

OEM quality replacement for a cracked or damaged oil pan. 10X Entries For Our 25th Anniversary Sweepstakes!
Fits RWD models only!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4381839
Mfg#:
11137570400
In Stock
ON SALE! SAVE 15%
$305.99

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

$260.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Aluminum Radiator

ES#2766393 - MMRADE9007 - Performance Aluminum Radiator - Fully brazed two-row aluminum core with TIG-welded end tanks - Mishimoto - BMW

Fully brazed two-row aluminum core with TIG-welded end tanks 35% increase in coolant capacity with a 25% increase in core thickness!
For vehicles with manual transmission only

Brand:
Mishimoto - Corporate Logo
ES#:
2766393
Mfg#:
MMRADE9007
In Stock
7% off MSRP

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

$605.00

This product was last offered at the strikethrough price on
08-13-2026

$559.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Install Kit

ES#4743055 - n55cylhdKT - Cylinder Head Install Kit - Everything you need to install a new cylinder head. - Assembled By ECS - BMW

Everything you need to install a new cylinder head. 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with a production date from 01/2011

Brand:
Assembled By ECS - Corporate Logo
ES#:
4743055
Mfg#:
N55CYLHDKT
In Stock
$383.99

This product was last offered at the strikethrough price on
06-19-2026

$382.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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