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BMW G23 430i xDrive B46 2.0L

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BMW G23 430i xDrive B46 2.0L Engine Cooling Parts

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Antifreeze / Coolant Concentrate - 1 Gallon - Green HT-12

ES#4845884 - 904685 - Antifreeze / Coolant Concentrate - 1 Gallon - Green HT-12 - Keep your engine cool and to proper temperature. Newer coolant more eco friendly - Zerex - BMW MINI

Keep your engine cool and to proper temperature. Newer coolant more eco friendly affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Zerex - Corporate Logo
ES#:
4845884
Mfg#:
904685
In Stock
$42.99

This product was last offered at the strikethrough price on
01-01-2026

$22.50 USD
Free Shipping
on orders $49 and up

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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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

Oil Filter Housing & Heat Management Module Kit - Level 2

Includes the components needed to replace the two biggest B48 cooling issues, plus most of the "while you are in there" parts we highly recommend replacing - featuring an Aluminum Oil Filter Housing, Coolant Thermostat Module, and coolant pump assembly! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles without Energy Recovery System (S1CEA)
For Pre-LCI models with the B48 Gen2 (B48D) engine only - Not compatible with later Gen3 engines

Brand:
Assembled By ECS - Corporate Logo
ES#:
5425175
Mfg#:
G2XB48DOFHL2KT
Ships on Jun 18, 2026
Auto Notify
$1712.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Universal Oil Cooler - 19 Row

ES#2764082 - MM0CUL - Universal Oil Cooler - 19 Row - Serious engine oil cooling for the most demanding engines - Mishimoto - Audi BMW Volkswagen MINI

Serious engine oil cooling for the most demanding engines affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For custom applications only. Not a direct bolt on.

Brand:
Mishimoto - Corporate Logo
ES#:
2764082
Mfg#:
MM0CUL
In Stock at Vendor
$536.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water pump housing coolant flange

ES#4732047 - 11515A74E79 - Water pump housing coolant flange - Replace leaking or worn coolant flange with this Genuine BMW part - Genuine BMW - BMW

Replace leaking or worn coolant flange with this Genuine BMW part affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For B48TU Gen 2 applications (B46D/B48D)

Brand:
Genuine BMW - Corporate Logo
ES#:
4732047
Mfg#:
11515A74E79
In Stock
4% off MSRP

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

$133.99

This product was last offered at the strikethrough price on
06-03-2026

$127.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Coolant Hose

ES#4179820 - 11538650984 - Cylinder Head Coolant Hose - Connects the cylinder head to the water pump - Genuine BMW - BMW

Connects the cylinder head to the water pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Pre-LCI models with the earlier B46D engine

Brand:
Genuine BMW - Corporate Logo
ES#:
4179820
Mfg#:
11538650984
In Stock
4% off MSRP

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

$138.99

This product was last offered at the strikethrough price on
03-04-2026

$133.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#4181143 - 17118666811 - Radiator - Genuine BMW - BMW

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
4181143
Mfg#:
17118666811
In Stock
12% off MSRP

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

$552.99

This product was last offered at the strikethrough price on
06-03-2026

$486.99 USD
This product is lifetime replacement eligible Lifetime 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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Redline - Corporate Logo
ES#:
4338527
Mfg#:
81215
In Stock
$54.99 USD
Free Shipping
on orders $49 and up

Mishimoto Universal Curved Blade Electrical Fan - 16"

ES#4265264 - MMFAN-16C - Mishimoto Universal Curved Blade Electrical Fan - 16" - 1850 CFM. High performance fan with curved blades. - Mishimoto - Audi BMW Volkswagen Mercedes Benz MINI Porsche

1850 CFM. High performance fan with curved blades. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
4265264
Mfg#:
MMFAN-16C
In Stock
$117.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water/Coolant Pump With Support

ES#4179759 - 11518650988 - Water/Coolant Pump With Support - Main pump with metal bracket - Genuine BMW - BMW

Main pump with metal bracket affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Pre-LCI models with the earlier B46D engine and without the Energy Recovery System

Brand:
Genuine BMW - Corporate Logo
ES#:
4179759
Mfg#:
11518650988
In Stock
12% off MSRP

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

$300.99

This product was last offered at the strikethrough price on
06-03-2026

$264.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mechanical Water Pump

ES#4179736 - 11518482250 - Mechanical Water Pump - Replace your faulty coolant pump with a brand new pump directly from BMW to keep engine temperatures under control - Genuine BMW - BMW

Replace your faulty coolant pump with a brand new pump directly from BMW to keep engine temperatures under control affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
4179736
Mfg#:
11518482250
In Stock
12% off MSRP

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

$200.99

This product was last offered at the strikethrough price on
06-03-2026

$176.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Coolant Expansion Tank Cap

ES#4732065 - 17135A1BD89 - Engine Coolant Expansion Tank Cap - Replacement expansion tank cap for your BMW - Genuine BMW - BMW

Replacement expansion tank cap for your BMW affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
4732065
Mfg#:
17135A1BD89
In Stock
9% off MSRP

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

$34.99

This product was last offered at the strikethrough price on
06-03-2026

$31.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For custom applications only. Not a direct bolt on.

Brand:
Mishimoto - Corporate Logo
ES#:
2764104
Mfg#:
MM0CULTBK
Ships in 4 Business Days
$599.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal 12" Electric Fan - Black

ES#4147305 - 30102029 - Universal 12" Electric Fan - Black - 1328 CFM. High performance puller fan with curved blades. - Spal - Audi BMW MINI

1328 CFM. High performance puller fan with curved blades. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Spal - Corporate Logo
ES#:
4147305
Mfg#:
30102029
In Stock
$207.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Coolant Reservoir Cap - Anodized Red

ES#4505864 - CO0LANTCAPRED - Billet Coolant Reservoir Cap - Anodized Red - Upgrade the visual appeal of your engine bay with Vargas Turbo Technologies' Billet Caps! - Vargas Turbo Technologies - BMW

Upgrade the visual appeal of your engine bay with Vargas Turbo Technologies' Billet Caps! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4505864
Mfg#:
CO0LANTCAPRED
In Stock
$79.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal 12" Electric Fan - Black

ES#4147274 - 30100375 - Universal 12" Electric Fan - Black - 861 CFM. High performance puller fan with straight blades. - Spal - Audi BMW MINI

861 CFM. High performance puller fan with straight blades. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Spal - Corporate Logo
ES#:
4147274
Mfg#:
30100375
In Stock
13% off MSRP

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

$114.99

This product was last offered at the strikethrough price on
06-03-2026

$99.99 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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