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BMW E46 Engine Cooling Parts

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Expansion Tank Cap

ES#2187552 - 17111742231 - Expansion Tank Cap - Replace when performing cooling service. - URO - BMW

Replace when performing cooling service. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2187552
Mfg#:
17111742231
In Stock at Vendor
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Drain Plug (Adjustment Screw) - Priced Each

ES#4056645 - 17111437359 - Radiator Drain Plug (Adjustment Screw) - Priced Each - 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 manual transmission only

Brand:
URO - Corporate Logo
ES#:
4056645
Mfg#:
17111437359
Ships in 1 Business Day
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Hose

ES#3235801 - 64218376153 - Expansion Tank Hose - Expansion tank to heater core - Gates - BMW

Expansion tank to heater core

Brand:
Gates - Corporate Logo
ES#:
3235801
Mfg#:
64218376153
In Stock
ON SALE! SAVE 41%
$94.99

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

$56.41 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - Priced Each

ES#14704 - 07119905395 - Hex Bolt - Priced Each - Used to secure the water pump - Genuine BMW - BMW

Used to secure the water pump

Brand:
Genuine BMW - Corporate Logo
ES#:
14704
Mfg#:
07119905395
In Stock
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Torx Bolt - Priced Each

ES#241269 - 07129904477 - Torx Bolt - Priced Each - M8X25-10.9-ZNS3 - Genuine BMW - BMW MINI

M8X25-10.9-ZNS3

Brand:
Genuine BMW - Corporate Logo
ES#:
241269
Mfg#:
07129904477
Ships in 2 Business Days
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Bleeder Screw - Priced Each

ES#3499697 - 17111712788 - Coolant Bleeder Screw - Priced Each - Coolant bleeder screw that comes with O-Ring. - Rein - BMW MINI

Coolant bleeder screw that comes with O-Ring. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3499697
Mfg#:
17111712788
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

C-Clip Nut

ES#205424 - 07146955207 - C-Clip Nut - For a ST4.8 screw - Genuine BMW - BMW

For a ST4.8 screw

Brand:
Genuine BMW - Corporate Logo
ES#:
205424
Mfg#:
07146955207
Ships in 3 Business Days
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 Water Connection Pipe

ES#2635068 - 17111707817 - E46 Water Connection Pipe - Connects the radiator to the expansion tank - Vaico - BMW

Connects the radiator to the expansion tank We Price Match - Give Us A Call or Chat!
For vehicles with automatic transmission only

Brand:
Vaico - Corporate Logo
ES#:
2635068
Mfg#:
17111707817
In Stock at Vendor
$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 Z4 Radiator Mounting Bracket

ES#2828447 - 17111436264 - E46 Z4 Radiator Mounting Bracket - URO Parts is one of the leading manufacturers of high quality direct replacement aftermarket components, covering a wide range of makes and models. - URO - BMW

URO Parts is one of the leading manufacturers of high quality direct replacement aftermarket components, covering a wide range of makes and models. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Right Lower

Brand:
URO - Corporate Logo
ES#:
2828447
Mfg#:
17111436264
Back Ordered
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Pulley

ES#4315398 - 11517840403 - Water Pump Pulley - Should be replaced each time with the water pump - URO - BMW

Should be replaced each time with the water pump 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4315398
Mfg#:
11517840403
Ships in 1 Business Day
$57.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine support bracket

ES#1894161 - 11537838119 - Engine support bracket - Bracket that is mounted to the thermostat housing - Genuine BMW - BMW

Bracket that is mounted to the thermostat housing

Brand:
Genuine BMW - Corporate Logo
ES#:
1894161
Mfg#:
11537838119
Ships in 4 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.

$29.99

This product was last offered at the strikethrough price on
04-16-2026

$28.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 Water Hose - Water Pipe to Expansion Tank

ES#3139079 - 11531436410 - E46 Water Hose - Water Pipe to Expansion Tank - Connects the Expansion Tank to the Water Pipe - Hudson - BMW

Connects the Expansion Tank to the Water Pipe

Brand:
Hudson - Corporate Logo
ES#:
3139079
Mfg#:
11531436410
Ships in 3 Business Days
$27.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fan mounting pin - priced each

ES#4147336 - 30130013 - Fan mounting pin - priced each - Wire pin used to mount electric fan directly to radiator. - Spal - Audi BMW MINI

Wire pin used to mount electric fan directly to radiator.

Brand:
Spal - Corporate Logo
ES#:
4147336
Mfg#:
30130013
In Stock at Vendor
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pipe

ES#2813507 - 11537502000 - Water Pipe - From water pump to expansion tank hose - Hamburg Tech - BMW

From water pump to expansion tank hose We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813507
Mfg#:
11537502000
Ships in 1 Business Day
$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Support - Left

ES#38120 - 17117530252 - Radiator Support - Left - This is the bracket that bolts into the engine bay, which then supports the radiator - Genuine BMW - BMW

This is the bracket that bolts into the engine bay, which then supports the radiator

Brand:
Genuine BMW - Corporate Logo
ES#:
38120
Mfg#:
17117530252
In Stock
ON SALE!
$28.99

This product was last offered at the strikethrough price on
06-25-2026

$27.24 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

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