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BMW 135i Engine Cooling Parts

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Temperature Sensor

ES#2158111 - 13621433076 - Temperature Sensor - Monitors coolant / oil temperature - FAE - BMW

Monitors coolant / oil temperature affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
FAE - Corporate Logo
ES#:
2158111
Mfg#:
13621433076
In Stock
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Relief Flush

ES#2608077 - 040202 - Radiator Relief Flush - Concentrated cleansing agent that effectively cleans your cooling system! - DEI - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Concentrated cleansing agent that effectively cleans your cooling system! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
DEI - Corporate Logo
ES#:
2608077
Mfg#:
040202
In Stock
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank Cap

ES#2874171 - 17117639020 - Coolant Expansion Tank Cap - Keep that coolant expansion tank sealed - Febi - BMW

Keep that coolant expansion tank sealed 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:
Febi - Corporate Logo
ES#:
2874171
Mfg#:
17117639020
In Stock
$23.99

This product was last offered at the strikethrough price on
01-08-2026

$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Transmission Oil Cooler - Heat Exchanger

ES#4723728 - 17217536929 - Transmission Oil Cooler - Heat Exchanger - Keep your transmission temperature where it should be - Vemo - BMW

Keep your transmission temperature where it should be affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vemo - Corporate Logo
ES#:
4723728
Mfg#:
17217536929
In Stock at Vendor
$311.99

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

$302.99 USD
Free Shipping
on orders $49 and up

Expansion Tank Replacement Kit

ES#2581924 - N524EXPOEKT - Expansion Tank Replacement Kit - Includes everything you need to bolt on a brand new expansion tank - Genuine BMW - BMW

Includes everything you need to bolt on a brand new expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2581924
Mfg#:
N524EXPOEKT
In Stock
$230.99

This product was last offered at the strikethrough price on
06-08-2026

$226.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Temperature Sensor

ES#4316486 - 13621433076 - Temperature Sensor - Monitors coolant / oil temperature - Bavarian Autosport - BMW

Monitors coolant / oil temperature affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4316486
Mfg#:
13621433076
Ships on Sep 17, 2026
Auto Notify
ON SALE!
$14.99

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

$14.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Cooling System Refresh Kit - Level 3

ES#2739949 - 11537558522KT2 - ECS Cooling System Refresh Kit - Level 3 - Everything you need to totally service your cooling system, including a radiator and belt service. Now includes ECS Billet Aluminum Radiator Drain Plug! - Assembled By ECS - BMW

Everything you need to totally service your cooling system, including a radiator and belt service. Now includes ECS Billet Aluminum Radiator Drain Plug! 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#:
2739949
Mfg#:
11537558522KT2
Back Ordered
Auto Notify
ON SALE! SAVE 19%
$1110.99

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

$903.13 USD
This product is lifetime replacement eligible Partial Replacement

Radiator Stop-Leak - 250mL

ES#3514566 - 20132 - Radiator Stop-Leak - 250mL - Put a stop to that coolant leak! - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Put a stop to that coolant leak! 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#:
3514566
Mfg#:
20132
In Stock
25% off MSRP

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

$15.95

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

$11.99 USD
Free Shipping
on orders $49 and up

Turner Motorsport Expansion Tank Wire Harness Extension - E9X/E8X N54

ES#3569509 - 021942TMS05 - Turner Motorsport Expansion Tank Wire Harness Extension - E9X/E8X N54 - Allows you to relocate your coolant reservoir seamlessly - Turner Motorsport - BMW

Allows you to relocate your coolant reservoir seamlessly affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3569509
Mfg#:
021942TMS05
In Stock
ON SALE! SAVE 25%
$26.99

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

$20.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mishimoto Universal Curved Blade Electrical Fan - 14"

ES#4265263 - MMFAN-14C - Mishimoto Universal Curved Blade Electrical Fan - 14" - 1300 CFM. High performance fan with curved blades. - Mishimoto - Audi BMW Volkswagen Mercedes Benz MINI Porsche

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

Brand:
Mishimoto - Corporate Logo
ES#:
4265263
Mfg#:
MMFAN-14C
In Stock
$104.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal 16" Electric Fan - Black

ES#3247470 - 30102048 - Universal 16" Electric Fan - Black - 1959 cfm. High performance pusher fan with curved blades. - Spal - Audi BMW MINI

1959 cfm. High performance pusher fan with curved blades. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Spal - Corporate Logo
ES#:
3247470
Mfg#:
30102048
In Stock at Vendor
$207.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Aluminum Screw - Priced Each

ES#2138043 - 11517602123 - Water Pump Aluminum Screw - Priced Each - One time use! Don't forget to pick up a set for your water pump replacement! - Genuine BMW - BMW

One time use! Don't forget to pick up a set for your water pump replacement! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with water pump 11517632426 only

Brand:
Genuine BMW - Corporate Logo
ES#:
2138043
Mfg#:
11517602123
In Stock
$3.49

This product was last offered at the strikethrough price on
03-04-2026

$2.61 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Inlet Pipe

ES#25128 - 11537558522 - Coolant Inlet Pipe - Attached to the water pump inlet - Genuine BMW - BMW

Attached to the water pump inlet affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For automatic transmission

Brand:
Genuine BMW - Corporate Logo
ES#:
25128
Mfg#:
11537558522
Ships in 1-2 days
5% off MSRP

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

$215.99

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

$204.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Inlet Hose Section

ES#3148902 - 11537558523 - Coolant Inlet Hose Section - Replaces the rubber section of the water pump inlet pipe - includes two clamps - Rein - BMW

Replaces the rubber section of the water pump inlet pipe - includes two clamps 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 automatic transmission only

Brand:
Rein - Corporate Logo
ES#:
3148902
Mfg#:
11537558523
In Stock
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#4069271 - 11537584549 - Coolant Hose - Connects to the thermostat - Rein - BMW

Connects to the thermostat 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:
Rein - Corporate Logo
ES#:
4069271
Mfg#:
11537584549
In Stock
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cover Lid - Priced Each

ES#2633531 - 11117615131 - Cover Lid - Priced Each - Located on the Engine Block - Genuine BMW - BMW

Located on the Engine Block affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2633531
Mfg#:
11117615131
In Stock
4% off MSRP

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

$11.19

This product was last offered at the strikethrough price on
01-11-2026

$10.76 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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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