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BMW E30 325i M20 2.5L

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BMW E30 325i M20 2.5L Engine Cooling Parts

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Coolant Hose Kit

ES#2863260 - 11531279895KT - Coolant Hose Kit - Includes all new coolant hoses and hose clamps - Assembled By ECS - BMW

Includes all new coolant hoses and hose clamps 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date up to 09/1987

Brand:
Assembled By ECS - Corporate Logo
ES#:
2863260
Mfg#:
11531279895KT
In Stock
ON SALE! SAVE 11%
$103.99

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

$92.52 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

SuperCool Performance Coolant - Pre-Mixed - 1 Gallon

ES#4338527 - 81215 - SuperCool Performance Coolant - Pre-Mixed - 1 Gallon - Redline's state of the art coolant offering premium performance and protection. Fortified with Waterwetter! - Redline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Redline's state of the art coolant offering premium performance and protection. Fortified with Waterwetter!

Brand:
Redline - Corporate Logo
ES#:
4338527
Mfg#:
81215
Ships in 1 Business Day
$54.99 USD
Free Shipping
on orders $49 and up

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

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 For Our 25th Anniversary Sweepstakes!
For Vehicles with a Production Date from 09/1987

Brand:
Assembled By ECS - Corporate Logo
ES#:
5492081
Mfg#:
008681LA02KT
Back Ordered
Auto Notify
ON SALE!
$767.46 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Schwaben Radiator/ Intercooler / Oil Cooler Fin Comb

ES#2971417 - 015326SCH01A - Schwaben Radiator/ Intercooler / Oil Cooler Fin Comb - Straighten bent radiator or intercooler fins that block air flow - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Straighten bent radiator or intercooler fins that block air flow 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
2971417
Mfg#:
015326SCH01A
In Stock
ON SALE! SAVE 29%
$20.99

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

$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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 at Vendor
$56.99

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

$46.61 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BMW Water Pump Pulley Locking Tool

ES#2593813 - 001170SCH01A - BMW Water Pump Pulley Locking Tool - Make your water pump or fan clutch a simple install. Holds the head of pulley bolts for fast fan clutch and water pump pulley removal. - Schwaben - BMW
ECS Tuning recommends this product.

Make your water pump or fan clutch a simple install. Holds the head of pulley bolts for fast fan clutch and water pump pulley removal. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
2593813
Mfg#:
001170SCH01A
In Stock
ON SALE! SAVE 25%
$43.99

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

$32.99 USD
Free Shipping
on orders $49 and up
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 For Our 25th Anniversary 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

Race-Spec Oil Cooler

ES#3477949 - 8092 - Race-Spec Oil Cooler - Featuring a fully TIG-welded design with a cast endtank. The most reliable, durable, best fitting oil cooler on the market! - CSF - BMW

Featuring a fully TIG-welded design with a cast endtank. The most reliable, durable, best fitting oil cooler on the market! 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
CSF - Corporate Logo
ES#:
3477949
Mfg#:
8092
Ships in 2 Business Days
$359.00 USD
Free Shipping
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

OEM Thermostat Replacement Kit

ES#3675360 - 11531730470k1KT - OEM Thermostat Replacement Kit - Featuring Genuine BMW replacement parts - Genuine BMW - BMW

Featuring Genuine BMW replacement parts

Brand:
Genuine BMW - Corporate Logo
ES#:
3675360
Mfg#:
11531730470K1KT
Ships in 1 day
$224.99 USD
Free Shipping
on orders $49 and up
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

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
In Stock
$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

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 3 Business Days
$599.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#24944 - 11531730470 - Thermostat Housing - Eliminates a weak link in your cooling system. - Genuine BMW - BMW

Eliminates a weak link in your cooling system.

Brand:
Genuine BMW - Corporate Logo
ES#:
24944
Mfg#:
11531730470
Ships in 1-3 days
3% off MSRP

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

$151.99

This product was last offered at the strikethrough price on
08-20-2026

$146.99 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.

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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