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BMW E30 325is M20 2.5L

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BMW E30 325is M20 2.5L Engine Cooling Parts

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E30 Coolant Expansion Tank

ES#3464804 - 17111712641 - E30 Coolant Expansion Tank - Replace your cracked or faded expansion tank. - Mahle-Behr - BMW

Replace your cracked or faded expansion tank. For vehicles with production date from 09/1987

Brand:
Mahle-Behr - Corporate Logo
ES#:
3464804
Mfg#:
17111712641
In Stock
$56.99

This product was last offered at the strikethrough price on
08-14-2026

$50.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Cooling System Refresh Kit - Level 1

ES#5492081 - 008681LA02KT - Performance Cooling System Refresh Kit - Level 1 - An entry-level service kit featuring high-performance cooling system components. Eliminate common failure points and increase cooling system efficiency! - Assembled By ECS - BMW

An entry-level service kit featuring high-performance cooling system components. Eliminate common failure points and increase cooling system efficiency! 10X Entries Into Our F80 M3 Sweepstakes
For Vehicles with a Production Date from 09/1987

Brand:
Assembled By ECS - Corporate Logo
ES#:
5492081
Mfg#:
008681LA02KT
Back Ordered
ON SALE!
$767.99

This product was last offered at the strikethrough price on
08-26-2026

$761.12 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

E30 Water Pump

ES#260759 - 11519071562 - E30 Water Pump - Includes gasket. New - not remanufactured! - Geba - BMW
ECS Tuning recommends this product.

Includes gasket. New - not remanufactured! For vehicles with production date up to 09/1987

Brand:
Geba - Corporate Logo
ES#:
260759
Mfg#:
11519071562
In Stock
$65.16 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E30 Heater Core

ES#2628195 - 64118391363 - E30 Heater Core - Transfers heat to the cabin of the vehicle - Mahle-Behr - BMW

Transfers heat to the cabin of the vehicle

Brand:
Mahle-Behr - Corporate Logo
ES#:
2628195
Mfg#:
64118391363
In Stock at Vendor
$79.77

This product was last offered at the strikethrough price on
06-16-2026

$74.08 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E30 Heavy Duty Aluminum Expansion Tank Kit

ES#5376227 - 008681LA02 - E30 Heavy Duty Aluminum Expansion Tank Kit - The last expansion tank you'll ever need! Upgrade to durable aluminum construction and leave failure-prone plastic behind. - Turner Motorsport - BMW
ECS Tuning recommends this product.

The last expansion tank you'll ever need! Upgrade to durable aluminum construction and leave failure-prone plastic behind. 10X Entries Into Our F80 M3 Sweepstakes
For Vehicles with a Production Date from 09/1987

Brand:
Turner Motorsport - Corporate Logo
ES#:
5376227
Mfg#:
008681LA02
In Stock
$489.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

O-Ring - Priced Each

ES#2800129 - 17222245358 - O-Ring - Priced Each - 13.4x1.78mm. Made in Germany. - Rein - BMW MINI

13.4x1.78mm. Made in Germany. 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2800129
Mfg#:
17222245358
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Aluminum Radiator

ES#4500501 - Rad-Type25b - Performance Aluminum Radiator - All metal high performance radiator for improved cooling performance - Zionsville Autosport - BMW

All metal high performance radiator for improved cooling performance For vehicles with production date from 09/1987 with manual transmission

Brand:
Zionsville Autosport - Corporate Logo
ES#:
4500501
Mfg#:
RAD-TYPE25B
In Stock
Limited Qty Sale
$1499.99

This product was last offered at the strikethrough price on
08-10-2026

$1362.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#2814069 - 17111707540 - Coolant Expansion Tank - Replace your cracked or faded expansion tank. - Hamburg Tech - BMW

Replace your cracked or faded expansion tank. We Price Match - Give Us A Call or Chat!
For vehicles with production date up to 09/1987

Brand:
Hamburg Tech - Corporate Logo
ES#:
2814069
Mfg#:
17111707540
In Stock
$79.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Oil Cooler - 19 Row, with Thermostat

ES#2764437 - MM0CULT - Universal Oil Cooler - 19 Row, with Thermostat - Serious engine oil cooling for the most demanding engines - Mishimoto - Audi BMW Volkswagen MINI

Serious engine oil cooling for the most demanding engines For custom applications only. Not a direct bolt on.

Brand:
Mishimoto - Corporate Logo
ES#:
2764437
Mfg#:
MM0CULT
In Stock at Vendor
$599.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Oil Cooler - 19 Row, with Thermostat - Black

ES#2764104 - MM0CULTBK - Universal Oil Cooler - 19 Row, with Thermostat - Black - Serious engine oil cooling for the most demanding engines - Mishimoto - Audi BMW Volkswagen MINI

Serious engine oil cooling for the most demanding engines For custom applications only. Not a direct bolt on.

Brand:
Mishimoto - Corporate Logo
ES#:
2764104
Mfg#:
MM0CULTBK
Ships in 5 Business Days
$599.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

8 Piece Fluid Line Stopper Kit

ES#2748908 - 005939SCH01A - 8 Piece Fluid Line Stopper Kit - This kit contains 2 of each size Shark type clamps designed to make a temporary seal on the end of an open line. Includes clamps with 5/16",3/8" and 1/2" open slot. Also contains double seal clamps for banjo style fittings. - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

This kit contains 2 of each size Shark type clamps designed to make a temporary seal on the end of an open line. Includes clamps with 5/16",3/8" and 1/2" open slot. Also contains double seal clamps for banjo style fittings. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Schwaben - Corporate Logo
ES#:
2748908
Mfg#:
005939SCH01A
In Stock
ON SALE! SAVE 23%
$54.99

This product was last offered at the strikethrough price on
04-26-2026

$42.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Switch

ES#2534474 - 61311378073 - Radiator Fan Switch - Measures radiator air temperature enabling the fan to turn off or on - URO - BMW

Measures radiator air temperature enabling the fan to turn off or on 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with production date from 09/1987

Brand:
URO - Corporate Logo
ES#:
2534474
Mfg#:
61311378073
In Stock
$26.44 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump & Thermostat Replacement Kit

ES#4818336 - 11531730470KT - Water Pump & Thermostat Replacement Kit - Featuring a high-quality Geba water pump & MAHLE OEM thermostat! - Assembled By ECS - BMW

Featuring a high-quality Geba water pump & MAHLE OEM thermostat! 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with production date up to 09/1987

Brand:
Assembled By ECS - Corporate Logo
ES#:
4818336
Mfg#:
11531730470KT
In Stock
ON SALE!
$174.99

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

$159.42 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Thermostat - 80C

ES#3023804 - 11531713040 - Thermostat - 80C - Includes sealing o-ring - Mahle-Behr - BMW

Includes sealing o-ring

Brand:
Mahle-Behr - Corporate Logo
ES#:
3023804
Mfg#:
11531713040
Ships in 3 Business Days
$36.00

This product was last offered at the strikethrough price on
04-24-2026

$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

32/36mm Double Open End Fan Clutch Wrench

ES#240950 - DO-3236 - 32/36mm Double Open End Fan Clutch Wrench - Specifically designed for removal of most European fan clutch nuts to make your job easier - Schwaben - BMW Volkswagen
ECS Tuning recommends this product.

Specifically designed for removal of most European fan clutch nuts to make your job easier 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Schwaben - Corporate Logo
ES#:
240950
Mfg#:
DO-3236
In Stock
ON SALE! SAVE 25%
$25.99

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

$19.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Line - sending

ES#38542 - 17211719193 - Oil Cooler Line - sending - Replace old worn out lines with brand new OEM ones - Genuine BMW - BMW

Replace old worn out lines with brand new OEM ones

Brand:
Genuine BMW - Corporate Logo
ES#:
38542
Mfg#:
17211719193
Ships in 3 Business Days
1% off MSRP

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

$181.99

This product was last offered at the strikethrough price on
09-21-2026

$180.99 USD
Free Shipping
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.

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Manufacturer names and/or part numbers are used only for identification purposes.

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