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BMW E46 323Ci M52 2.5L

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BMW E46 323Ci M52 2.5L Engine Cooling Parts

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E46 Heater Hose

ES#263650 - 64218376999 - E46 Heater Hose - Runs from the engine to the water valve inlet - Elaplast - BMW

Runs from the engine to the water valve inlet

Brand:
Elaplast - Corporate Logo
ES#:
263650
Mfg#:
64218376999
Ships in 1-2 days
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Switch O-Ring

ES#2702266 - 13621433077S - Auxiliary Fan Switch O-Ring - Now you can just replace the o-ring instead of the whole switch - URO - BMW MINI

Now you can just replace the o-ring instead of the whole switch 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2702266
Mfg#:
13621433077S
In Stock
$0.88 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Label Tab

ES#37721 - 17111439721 - Expansion Tank Label Tab - Shows information on how to read the fluid level - Genuine BMW - BMW

Shows information on how to read the fluid level

Brand:
Genuine BMW - Corporate Logo
ES#:
37721
Mfg#:
17111439721
Ships in 6 Business Days
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Bracket - Lower

ES#2091404 - 17111436264 - Radiator Bracket - Lower - This is the lower piece that secures the radiator - MTC - BMW

This is the lower piece that secures the radiator

Brand:
MTC - Corporate Logo
ES#:
2091404
Mfg#:
17111436264
Ships in 7 Business Days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxillary Fan Switch

ES#4460464 - 3148210000 - Auxillary Fan Switch - Also known as the coolant temperature sending unit, comes with related o-ring - Meyle - BMW

Also known as the coolant temperature sending unit, comes with related o-ring 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Mounted in lower radiator hose, controls operation of auxiliary fan

Brand:
Meyle - Corporate Logo
ES#:
4460464
Mfg#:
3148210000
Ships on Nov 27, 2026
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Support Bracket

ES#4659038 - 17117514402 - Radiator Support Bracket - Rein - BMW

2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4659038
Mfg#:
17117514402
Back Ordered
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Temperature Sensor

ES#2802821 - 13621433076 - Temperature Sensor - Monitors coolant / oil temperature - Meistersatz - BMW

Monitors coolant / oil temperature

Brand:
Meistersatz - Corporate Logo
ES#:
2802821
Mfg#:
13621433076
Ships in 4 Business Days
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 Heater Hose

ES#2889527 - 64218363198 - E46 Heater Hose - Water valve to heater core - Original Equipment Supplier - BMW

Water valve to heater core

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
2889527
Mfg#:
64218363198
Ships in 3 Business Days
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Temperature Sensor

ES#4327627 - 13621433076 - Temperature Sensor - Monitors coolant / oil temperature - Meyle - BMW

Monitors coolant / oil temperature 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4327627
Mfg#:
13621433076
Ships on Nov 27, 2026
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Drain Plug With Housing

ES#4056646 - 17111437360 - Radiator Drain Plug With Housing - Located in the bottom of the radiator - URO - BMW

Located in the bottom of the radiator 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with automatic transmission only

Brand:
URO - Corporate Logo
ES#:
4056646
Mfg#:
17111437360
In Stock
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Switch

ES#2684762 - 13621433077 - Auxiliary Fan Switch - Comes with related o-ring - URO - BMW

Comes with related o-ring 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Mounted in lower radiator hose, controls operation of auxiliary fan

Brand:
URO - Corporate Logo
ES#:
2684762
Mfg#:
13621433077
Back Ordered
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor

ES#5456617 - 3141362103 - Coolant Temperature Sensor - Built with thermistor technology to maintain signal integrity under extreme temperature cycles, preventing overheating and poor fuel economy. - Meyle - BMW

Built with thermistor technology to maintain signal integrity under extreme temperature cycles, preventing overheating and poor fuel economy. 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Meyle - Corporate Logo
ES#:
5456617
Mfg#:
3141362103
Ships on Nov 27, 2026
$8.99 USD
Free Shipping
on orders $49 and up

E46 Expanding Rivet - Priced Each

ES#2702207 - 17111712963 - E46 Expanding Rivet - Priced Each - Fan shroud expanding clamp/rivet - Vaico - BMW

Fan shroud expanding clamp/rivet We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2702207
Mfg#:
17111712963
In Stock at Vendor
$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

Gasket Ring

ES#179203 - 64508369241 - Gasket Ring - Genuine BMW - BMW
ECS Tuning recommends this product.

D=15,54 Mm

Brand:
Genuine BMW - Corporate Logo
ES#:
179203
Mfg#:
64508369241
Ships in 4 Business Days
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Mounting Clamp

ES#2814070 - 17111707777 - Expansion Tank Mounting Clamp - Locks the expansion tank into the mounting plate via the large hole in the bottom of the tank - Hamburg Tech - BMW

Locks the expansion tank into the mounting plate via the large hole in the bottom of the tank We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2814070
Mfg#:
17111707777
Ships in 2 Business Days
$6.11 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.

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