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BMW E36 325i M50 2.5L

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BMW E36 325i M50 2.5L Engine Cooling Parts

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E36 Radiator Air Duct - Driver (Left)

ES#129418 - 51718122433 - E36 Radiator Air Duct - Driver (Left) - Used for models with air conditioning - Genuine BMW - BMW

Used for models with air conditioning For vehicles with production date up to 09/1993

Brand:
Genuine BMW - Corporate Logo
ES#:
129418
Mfg#:
51718122433
Ships in 10 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.

$69.99

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

$68.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Air Duct - Passenger (Right)

ES#129419 - 51718122434 - Radiator Air Duct - Passenger (Right) - Used for models with air conditioning - Genuine BMW - BMW

Used for models with air conditioning For vehicles with production date up to 09/1993

Brand:
Genuine BMW - Corporate Logo
ES#:
129419
Mfg#:
51718122434
Special Order: No Guaranteed ETA
1% off MSRP

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

$69.99

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

$68.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant level sensor

ES#2871875 - 61311384739 - Coolant level sensor - Located on the expansion tank - Febi - BMW

Located on the expansion tank We Price Match - Give Us A Call or Chat!
For vehicles with production date up to 06/1995

Brand:
Febi - Corporate Logo
ES#:
2871875
Mfg#:
61311384739
In Stock
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Thermostat

ES#2631368 - 13541730682 - Auxiliary Thermostat - Thermostat that controls water flow temperature to the throttle body - Wahler - BMW

Thermostat that controls water flow temperature to the throttle body

Brand:
Wahler - Corporate Logo
ES#:
2631368
Mfg#:
13541730682
Back Ordered
$66.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

O-ring - Priced Each

ES#4066943 - 11531703848 - O-ring - Priced Each - 18.2x3. Used in the cooling system - Victor Reinz - BMW
ECS Tuning recommends this product.

18.2x3. Used in the cooling system

Brand:
Victor Reinz - Corporate Logo
ES#:
4066943
Mfg#:
11531703848
Ships in 1 Business Day
$3.99

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

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Standard Fan Delete Kit

ES#2724974 - E36FNDKT3 - Standard Fan Delete Kit - Free up some extra horsepower by deleting your fan - Assembled By ECS - BMW

Free up some extra horsepower by deleting your fan 10X Entries Into Our F80 M3 Sweepstakes
Gain peace of mind - no more worrying about exploding fans and seizing fan clutches

Brand:
Assembled By ECS - Corporate Logo
ES#:
2724974
Mfg#:
E36FNDKT3
In Stock
ON SALE! SAVE 20%
$80.99

This product was last offered at the strikethrough price on
07-02-2026

$64.77 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

E30 Coolant Hose

ES#2803698 - 13541719967 - E30 Coolant Hose - Throttle housing small hose - Rein - BMW

Throttle housing small hose 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2803698
Mfg#:
13541719967
In Stock at Vendor
$14.14

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

$12.90 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sender

ES#4006894 - 12621747281 - Coolant Temperature Sender - 2 pin - Facet - BMW

2 pin Located in the cylinder head

Brand:
Facet - Corporate Logo
ES#:
4006894
Mfg#:
12621747281
Ships in 1 Business Day
$23.99

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

$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

HARD Motorsport BMW Oil Cooler Fitting Adapter Plate - E36 E46 E82 E9X

ES#4065030 - OILADPTR - HARD Motorsport BMW Oil Cooler Fitting Adapter Plate - E36 E46 E82 E9X - Upgrade your oil cooler lines to braided with this adapter plate! - HARD Motorsport - BMW

Upgrade your oil cooler lines to braided with this adapter plate! For vehicles with a Euro oil filter housing and Euro oil cooler

Brand:
HARD Motorsport - Corporate Logo
ES#:
4065030
Mfg#:
OILADPTR
Special Order: No Guaranteed ETA
$62.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2586806 - 11537511580KT2 - Thermostat Replacement Kit - Includes gaskets and hardware and coolant - Assembled By ECS - BMW

Includes gaskets and hardware and coolant 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2586806
Mfg#:
11537511580KT2
Back Ordered
ON SALE!
$59.99

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

$58.20 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat Housing Kit - All Aluminum

ES#3438874 - 14-009 - Thermostat Housing Kit - All Aluminum - Never worry about cracking again - Active Autowerke - BMW

Never worry about cracking again

Brand:
Active Autowerke - Corporate Logo
ES#:
3438874
Mfg#:
14-009
Ships in 10 Business 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.

$59.00

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

$56.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor

ES#2816028 - 61311378073 - Coolant Temperature Sensor - Measures radiator air temperature enabling the fan to turn off or on - Hamburg Tech - BMW

Measures radiator air temperature enabling the fan to turn off or on We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2816028
Mfg#:
61311378073
Ships in 1 Business Day
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#3449329 - N90136802 - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat - Victor Reinz - Audi BMW Volkswagen

Ensure a proper seal when installing your new thermostat

Brand:
Victor Reinz - Corporate Logo
ES#:
3449329
Mfg#:
N90136802
In Stock
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#2868199 - 17111723520 - Coolant Expansion Tank - Does not include cap or coolant level sensor - Febi - BMW

Does not include cap or coolant level sensor We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2868199
Mfg#:
17111723520
Ships on Jan 11, 2027
$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#2534466 - 11531726344 - Radiator Hose - Lower - Replace your radiator hose before a blown hose leaves you stranded. - URO - BMW

Replace your radiator hose before a blown hose leaves you stranded. 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2534466
Mfg#:
11531726344
Ships in 1 Business Day
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Inline Temperature Sensor Adapter - Manifold

ES#4500514 - tempswitchman - Inline Temperature Sensor Adapter - Manifold - Allows installation of NPT threaded temperature sensor - Zionsville Autosport - BMW

Allows installation of NPT threaded temperature sensor

Brand:
Zionsville Autosport - Corporate Logo
ES#:
4500514
Mfg#:
TEMPSWITCHMAN
Special Order: No Guaranteed ETA
$52.99 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.

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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