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BMW 135i Engine Cooling Parts

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Low Temperature Thermostat - 97C

ES#4760003 - 11537601158-97C - Low Temperature Thermostat - 97C - Low-temp thermostat reduces stresses on engine components and improves performance - Bremmen Parts - BMW

Low-temp thermostat reduces stresses on engine components and improves performance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4760003
Mfg#:
11537601158-97C
In Stock
ON SALE! SAVE 20%
$95.99

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

$76.70 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Cooling System Refresh Kit - Level 2

ES#2597716 - 11510392553RKT - ECS Cooling System Refresh Kit - Level 2 - A more advanced refresh kit - with primary cooling system hoses and accessory belt - Assembled By ECS - BMW

A more advanced refresh kit - with primary cooling system hoses and accessory belt affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with automatic or DCT transmission only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2597716
Mfg#:
11510392553RKT
Back Ordered
Auto Notify
ON SALE! SAVE 19%
$832.99

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

$672.77 USD
Free Shipping
This product is lifetime replacement eligible Partial 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
In Stock
ON SALE! SAVE 24%
$710.99

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

$536.97 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Turbo Water Return Line

ES#2135782 - 11537583903 - Turbo Water Return Line - Carries coolant away from the turbocharger - Genuine BMW - BMW

Carries coolant away from the turbocharger affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2135782
Mfg#:
11537583903
In Stock
ON SALE!
$177.46

This product was last offered at the strikethrough price on
06-15-2026

$168.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal 16" Low Profile Electric Fan

ES#3706751 - 30100400 - Universal 16" Low Profile Electric Fan - 1300 CFM. High performance pull fan with straight blades - Spal - Audi BMW MINI

1300 CFM. High performance pull fan with straight blades affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Spal - Corporate Logo
ES#:
3706751
Mfg#:
30100400
In Stock
$111.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime 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
7% 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

$176.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Upper Radiator Hose

ES#4818575 - 17127540127 - Upper Radiator Hose - The hose that comes off of the top outlet on the radiator - Bremmen Parts - BMW

The hose that comes off of the top outlet on the radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818575
Mfg#:
17127540127
Ships in 6 Business Days
ON SALE! SAVE 20%
$42.99

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

$34.26 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Racing Thermostat

ES#2804271 - MMTS-E90-07 - Racing Thermostat - Promotes greater cooling for increased engine performance - Mishimoto - BMW

Promotes greater cooling for increased engine performance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with plastic thermostat housing

Brand:
Mishimoto - Corporate Logo
ES#:
2804271
Mfg#:
MMTS-E90-07
In Stock
$83.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Low Temp Oil Thermostat Kit - N54/N55

ES#4428270 - 090743ECS09 - Low Temp Oil Thermostat Kit - N54/N55 - Control those oil temps with a new thermostat! - ECS - BMW

Control those oil temps with a new thermostat! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For 2008 and up models only

Brand:
ECS - Corporate Logo
ES#:
4428270
Mfg#:
090743ECS09
Ships in 3 Business Days
ON SALE! SAVE 25%
$79.99

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

$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Transmission Oil Cooler - Heat Exchanger

ES#4709373 - 17217536929 - Transmission Oil Cooler - Heat Exchanger - Keep your transmission temperature where it should be - URO - BMW

Keep your transmission temperature where it should be 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:
URO - Corporate Logo
ES#:
4709373
Mfg#:
17217536929
In Stock
$115.85 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Oil Cooler - 10 Row

ES#2764288 - MM0CU - Universal Oil Cooler - 10 Row - Upgrading cooling for your engine oil - Mishimoto - Audi BMW Volkswagen MINI

Upgrading cooling for your engine oil affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For custom applications only. Not a direct bolt on.

Brand:
Mishimoto - Corporate Logo
ES#:
2764288
Mfg#:
MM0CU
In Stock
$410.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Breather line

ES#1897619 - 17127599452 - Breather line - The venting line for your radiator - Genuine BMW - BMW

The venting line for your radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
1897619
Mfg#:
17127599452
In Stock
9% off MSRP

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

$89.68

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

$81.86 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Cleaner - 300mL

ES#3195914 - 2051 - Radiator Cleaner - 300mL - Used to clean out your cooling system and restore efficiency - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI

Used to clean out your cooling system and restore efficiency 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! This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship

Brand:
Liqui-Moly - Corporate Logo
ES#:
3195914
Mfg#:
2051
In Stock
36% off MSRP

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

$17.95

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

$11.49 USD
Free Shipping
on orders $49 and up

N54 N55 Water Pump - With Installation Hardware

ES#2622810 - 11517632426KT2 - N54 N55 Water Pump - With Installation Hardware - N54 and N55 engines are prone to water pump failure - replace every 60,000 miles. Includes replacement one-time-use aluminum water pump retaining bolts. New Part Number: 11515A05704 - Genuine BMW - BMW

N54 and N55 engines are prone to water pump failure - replace every 60,000 miles. Includes replacement one-time-use aluminum water pump retaining bolts. New Part Number: 11515A05704 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2622810
Mfg#:
11517632426KT2
In Stock
$682.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BMW Coolant / Antifreeze - 1 Gallon (3.78L) - Blue G48

ES#4876763 - 82141467704 - BMW Coolant / Antifreeze - 1 Gallon (3.78L) - Blue G48 - 100% strength concentrate - dilute to a 50:50 ratio with distilled water - Zerex - BMW

100% strength concentrate - dilute to a 50:50 ratio with distilled water affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles Produced Up To 2018

Brand:
Zerex - Corporate Logo
ES#:
4876763
Mfg#:
82141467704
In Stock at Vendor
$24.46

This product was last offered at the strikethrough price on
03-14-2026

$24.43 USD
Free Shipping
on orders $49 and up

More About Engine Cooling Parts

Optimize your engine cooling system performance and heater output with quality drive belts, coolant hoses, cooling system parts, and approved coolant fluids from ECS Tuning. Head off expensive repairs and untimely breakdowns with regularly scheduled cooling system inspection and maintenance.

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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