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BMW 135i Most Popular Parts

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ARM FMIC Hose Upgrade

ES#4375373 - E90HU - ARM FMIC Hose Upgrade - 50% larger than stock hose from intercooler to throttle body! - ARM Motorsports - BMW

50% larger than stock hose from intercooler to throttle body! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Requires ARM Intercooler AND Charge Pipe
Requires ARM Intercooler AND Charge Pipe

Brand:
ARM Motorsports - Corporate Logo
ES#:
4375373
Mfg#:
E90HU
In Stock
$137.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Trunk Release Switch

ES#92103 - 51247118158 - Trunk Release Switch - Trunk opening switch - Genuine BMW - BMW

Trunk opening switch affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
92103
Mfg#:
51247118158
In Stock
6% off MSRP

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

$49.91

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

$46.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Return Line

ES#38995 - 17227572712 - Oil Cooler Return Line - Keep your transmission temps low for longer life - Genuine BMW - BMW

Keep your transmission temps low for longer life affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with automatic transmission only

Brand:
Genuine BMW - Corporate Logo
ES#:
38995
Mfg#:
17227572712
Ships in 3 Business Days
6% off MSRP

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

$249.71

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

$233.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

1M Battery Relocation and Exhaust Conversion Kit

Everything you need to convert to 1M exhaust in one convenient customizable package! 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#:
4683793
Mfg#:
51718051597
Ships in 1 day
Starting at $1090.97 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Gasket

ES#18591 - 11127557265 - Cylinder Head Gasket - Just a head gasket, not a set - Genuine BMW - BMW

Just a head gasket, not a set affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
1.215mm thickness - for use with an unmachined head

Brand:
Genuine BMW - Corporate Logo
ES#:
18591
Mfg#:
11127557265
Ships in 3 Business Days
13% off MSRP

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

$233.99

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

$202.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body

ES#2702324 - 13547556119 - Throttle Body - The replacement for a failed throttle body - VDO - BMW
ECS Tuning recommends this product.

The replacement for a failed throttle body affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
VDO - Corporate Logo
ES#:
2702324
Mfg#:
13547556119
In Stock
$342.64

This product was last offered at the strikethrough price on
02-03-2026

$294.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

N54 "Bulletproof" Crank Kit

ES#4642990 - ECSN54BPKRKT - N54 "Bulletproof" Crank Kit - .or at least as "Bulletproof" as your N54 will ever be! Includes a crank bolt capture kit, crank seal plate, oil filter housing gaskets, and all of the components required to perform this upgrade service. Featuring Kevlar reinforced belt! - Assembled By ECS - BMW

...or at least as "Bulletproof" as your N54 will ever be! Includes a crank bolt capture kit, crank seal plate, oil filter housing gaskets, and all of the components required to perform this upgrade service. Featuring Kevlar reinforced belt! 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#:
4642990
Mfg#:
ECSN54BPKRKT
Ships on Aug 3, 2026
Auto Notify
ON SALE!
$574.99

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

$540.11 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Performance Polyurethane Rear Upper Shock Mount Set

ES#2651653 - PFR5-416X2 - Performance Polyurethane Rear Upper Shock Mount Set - Allows rear shocks to perform to their fullest for optimum suspension efficiency. Includes both sections of the upper shock mount. - Powerflex - BMW

Allows rear shocks to perform to their fullest for optimum suspension efficiency. Includes both sections of the upper shock mount. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Powerflex - Corporate Logo
ES#:
2651653
Mfg#:
PFR5-416X2
In Stock
$80.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Clutch Pedal Stop

ES#3523617 - 025851ECS01 - Adjustable Clutch Pedal Stop - Revolutionize your driving experience with our in-house designed Adjustable Clutch Pedal Stop! - ECS - BMW

Revolutionize your driving experience with our in-house designed Adjustable Clutch Pedal Stop! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3523617
Mfg#:
025851ECS01
In Stock
ON SALE! SAVE 25%
$39.99

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

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Shifter Rebuild Kit

ES#3509815 - 25117507695KT9 - Shifter Rebuild Kit - Everything you need to rebuild your shifter assembly - Assembled By ECS - BMW

Everything you need to rebuild your shifter assembly 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#:
3509815
Mfg#:
25117507695KT9
In Stock
$153.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

License Plate Bracket - Rear

ES#3982364 - 51139448724 - License Plate Bracket - Rear - Keep your license plate in place - Genuine BMW - BMW MINI

Keep your license plate in place affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
3982364
Mfg#:
51139448724
In Stock
$60.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Cooling System Refresh Kit - Level 1

ES#2597785 - 11517588885RKT - ECS Cooling System Refresh Kit - Level 1 - An entry level cooling refresh kit - with OEM & high quality aftermarket components - Assembled By ECS - BMW

An entry level cooling refresh kit - with OEM & high quality aftermarket components affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with manual transmission only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2597785
Mfg#:
11517588885RKT
Ships on Aug 11, 2026
Auto Notify
ON SALE! SAVE 24%
$710.99

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

$537.08 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Coolant Expansion Tank

ES#2718215 - 17137640514 - Coolant Expansion Tank - Includes level sensor - Genuine BMW - BMW

Includes level sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2718215
Mfg#:
17137640514
In Stock
6% off MSRP

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

$189.99

This product was last offered at the strikethrough price on
06-05-2026

$178.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport Performance Sway Bar End Links - Rear

ES#4159352 - 025990TMS010 - Turner Motorsport Performance Sway Bar End Links - Rear - Upgrade your end links to get the most out of your sway bars! - Turner Motorsport - BMW

Upgrade your end links to get the most out of your sway bars! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4159352
Mfg#:
025990TMS010
In Stock
ON SALE!
$331.99

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

$322.03 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

1.75" To 2" Turbo Inlet Flange Adapter Kit

ES#4716168 - 501-0026 - 1.75" To 2" Turbo Inlet Flange Adapter Kit - Adapts stock turbos to 2" inlets! - Precision Raceworks - BMW

Adapts stock turbos to 2" inlets! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Precision Raceworks - Corporate Logo
ES#:
4716168
Mfg#:
501-0026
In Stock
$52.99

This product was last offered at the strikethrough price on
01-22-2026

$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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