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BMW 135i Most Popular Parts

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N54/N55 Transmission Mounting Hardware

ES#4758712 - 23001222894KT - N54/N55 Transmission Mounting Hardware - Includes hardware for the bell housing, starter, and new dowels for aligning the transmission on the engine. - Assembled By ECS - BMW

Includes hardware for the bell housing, starter, and new dowels for aligning the transmission on the engine. 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#:
4758712
Mfg#:
23001222894KT
In Stock
$76.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BMS Pedal Tuner - Automatic Transmission

ES#3643099 - BMSPBT - BMS Pedal Tuner - Automatic Transmission - Remove the dead area from your throttle pedal. - Burger Motorsports - BMW

Remove the dead area from your throttle pedal. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
3643099
Mfg#:
BMSPBT
In Stock
$199.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#2795853 - 17137640514 - Coolant Expansion Tank - Includes level sensor - Mahle-Behr - BMW

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

Brand:
Mahle-Behr - Corporate Logo
ES#:
2795853
Mfg#:
17137640514
Ships in 2 Business Days
$142.99

This product was last offered at the strikethrough price on
02-20-2026

$130.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Front Sway Bar - 28mm

ES#2769930 - 007278ECS01A - ECS Tuning Front Sway Bar - 28mm - Eliminate excessive body roll, improve handling, and gain a more engaging driving experience. Use alone to reduce oversteer or pair with an upgraded rear bar. - ECS - BMW

Eliminate excessive body roll, improve handling, and gain a more engaging driving experience. Use alone to reduce oversteer or pair with an upgraded rear bar. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2769930
Mfg#:
007278ECS01A
In Stock
ON SALE! SAVE 10%
$330.99

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

$297.89 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

D1S Premium LED Conversion Kit - Series 2

ES#4875811 - 003452LB04-01 - D1S Premium LED Conversion Kit - Series 2 - Set of 2 24,000lm combined plug and play LED headlight bulbs to replace your tired xenon bulbs - ZiZa - Audi BMW Volkswagen Mercedes Benz MINI

Set of 2 24,000lm combined plug and play LED headlight bulbs to replace your tired xenon bulbs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ZiZa - Corporate Logo
ES#:
4875811
Mfg#:
003452LB04-01
In Stock
ON SALE! SAVE 10%
$89.99

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

$80.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Injector - EU5 - Priced Each

ES#3998848 - 13537568607 - Fuel Injector - EU5 - Priced Each - High pressure fuel injector supplies fuel from the rail to the cylinder - Bosch - BMW
ECS Tuning recommends this product.

High pressure fuel injector supplies fuel from the rail to the cylinder affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat! For vehicles with a production date up to 01/2011
For vehicles with EU5 injectors and a production date up 01/2011

Brand:
Bosch - Corporate Logo
ES#:
3998848
Mfg#:
13537568607
In Stock
$185.99

This product was last offered at the strikethrough price on
04-21-2026

$119.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Water Pump And Thermostat Kit

ES#2804281 - 11517632426KT5 - Performance Water Pump And Thermostat Kit - Includes a 74c race thermostat - Assembled By ECS - BMW

Includes a 74c race thermostat affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Reuses factory thermostat housing

Brand:
Assembled By ECS - Corporate Logo
ES#:
2804281
Mfg#:
11517632426KT5
Ships on Aug 11, 2026
Auto Notify
ON SALE! SAVE 20%
$514.99

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

$410.34 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Top Tec 4110 Engine Oil (5w-40) - 5 Liters

ES#4152102 - 22122 - Top Tec 4110 Engine Oil (5w-40) - 5 Liters - Great for both gasoline and diesel engines! - Liqui-Moly - BMW Porsche

Great for both gasoline and diesel engines! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
4152102
Mfg#:
22122
In Stock
32% off MSRP

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

$78.95

This product was last offered at the strikethrough price on
07-05-2026

$53.53 USD
Free Shipping
on orders $49 and up

Bosch EU5 Fuel Injector Replacement Kit

ES#4423994 - 13537568607KT1 - Bosch EU5 Fuel Injector Replacement Kit - Includes 6 Bosch EU5 fuel injectors and decoupling rings. - Bosch - BMW

Includes 6 Bosch EU5 fuel injectors and decoupling rings. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat! For vehicles with a production date up to 01/2011

Brand:
Bosch - Corporate Logo
ES#:
4423994
Mfg#:
13537568607KT1
In Stock
$1214.99

This product was last offered at the strikethrough price on
04-21-2026

$820.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Oxygen Sensor - Bank 2 Pre-Cat

ES#2580856 - 11787558087 - Front Oxygen Sensor - Bank 2 Pre-Cat - Fuel control and emissions sensor - Bosch - BMW
ECS Tuning recommends this product.

Fuel control and emissions sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2580856
Mfg#:
11787558087
In Stock at Vendor
$200.14

This product was last offered at the strikethrough price on
06-25-2026

$196.18 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

8100 X-Clean Engine Oil (5w-40) - 5 Liter

ES#1928404 - 3374650233888 - 8100 X-Clean Engine Oil (5w-40) - 5 Liter - 100% Synthetic engine oil specially designed around the demands of direct fuel injection engines. - Motul - Audi BMW Volkswagen

100% Synthetic engine oil specially designed around the demands of direct fuel injection engines. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Motul - Corporate Logo
ES#:
1928404
Mfg#:
3374650233888
In Stock
10% off MSRP

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

$83.91

This product was last offered at the strikethrough price on
07-05-2026

$75.52 USD
Free Shipping
on orders $49 and up

ECS Performance Brass Clutch Fork Pivot Pin

ES#2992391 - 013236ECS01A - ECS Performance Brass Clutch Fork Pivot Pin - Improved durability and smooth, squeak-free shifts - an essential upgrade for every manual transmission equipped BMW! - ECS - BMW

Improved durability and smooth, squeak-free shifts - an essential upgrade for every manual transmission equipped BMW! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2992391
Mfg#:
013236ECS01A
In Stock
ON SALE! SAVE 25%
$56.99

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

$42.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Intake Gasket Set

ES#2626516 - 11617547242 - Intake Gasket Set - 1 for each intake runner, 6 in total - Elring - BMW

1 for each intake runner, 6 in total affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2626516
Mfg#:
11617547242
In Stock
$18.99

This product was last offered at the strikethrough price on
06-18-2026

$18.42 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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 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
Ships on Aug 25, 2026
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

E9x / E8x In-Tank Fuel Filter & Regulator (V2) - In-tank 5 Bar Regulator

ES#4666771 - 601-0244 - E9x / E8x In-Tank Fuel Filter & Regulator (V2) - In-tank 5 Bar Regulator - Includes a standard 5 bar regulator. Allows for maximum flow, lower current draw, and fuel pressure regulation in a single package! - Precision Raceworks - BMW

Includes a standard 5 bar regulator. Allows for maximum flow, lower current draw, and fuel pressure regulation in a single package! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Precision Raceworks - Corporate Logo
ES#:
4666771
Mfg#:
601-0244
In Stock
$649.99 USD
Free Shipping
on orders $49 and up

034Motorsport Solid Rubber Engine And Trans Mount Set

ES#3176044 - 034-509-N5x - 034Motorsport Solid Rubber Engine And Trans Mount Set - Increase performance and durability without sacrificing comfort. True rubber mounts - a positive upgrade over cushy, factory-installed fluid-filled mounts. - 034Motorsport - BMW

Increase performance and durability without sacrificing comfort. True rubber mounts - a positive upgrade over cushy, factory-installed fluid-filled mounts. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3176044
Mfg#:
034-509-N5X
In Stock
ON SALE! SAVE 10%
$330.00

This product was last offered at the strikethrough price on
06-28-2026

$297.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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