Genuine BMW BMW Coolant & Radiator Hoses for BMW 4 Series G26 (2022+)

Genuine BMW Coolant Hose - Water Pump to Cylinder Head - BMW B58C B58...

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

T#:620753

Part#: 11538650983

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5% off MSRP $ 106.99

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

$ 101.99 USD

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5% off MSRP

$ 106.99

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

$ 101.99 USD

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Connects from the top coolant port on the water pump to the cylinder head

Genuien BMW Thermostat Module Coolant Pipe W/ Wire Bracket - BMW G42 ...

For Pre-LCI models with the earlier B46D engine

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

T#:636427

Part#: 11538651265

In Stock

4% off MSRP $ 78.99

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

$ 75.99 USD

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4% off MSRP

$ 78.99

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

$ 75.99 USD

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This coolant pipe connects to the thermostat module. When replacing the thermostat module, aka the heat management module, or other nearby cooling components, such as the water pump, this coolant pipe should be replaced. The o-ring seal also tends to flatten over time, preventing a proper seal after reinstallation, leading to a coolant leak.

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Genuine BMW Cylinder Head Coolant Hose - BMW G42 G2X G30 G01 G02 G29 ...

For Pre-LCI models with the earlier B46D engine

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

T#:620754

Part#: 11538650984

In Stock

5% off MSRP $ 138.99

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

$ 131.99 USD

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5% off MSRP

$ 138.99

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

$ 131.99 USD

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Over time, rubber hoses and plastic coolant flanges can become brittle due to numerous heat cycles. This often leads to cracks and coolant leaks on the front side of the engine. Additionally, the two o-rings that seal this hose to the cylinder head and the water pump housing can flatten, leading to leaks when reinstalled. When servicing your cooling system, it is advised to replace this hose to prevent leaks and potential overheating.

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Genuine BMW water pump housing coolant flange - G-Chassis - B48TU (B4...

For B48TU Gen 2 applications (B46D/B48D)

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T#:48780791

Part#: 11515A74E79

In Stock

2% off MSRP $ 133.99

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

$ 130.99 USD

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2% off MSRP

$ 133.99

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

$ 130.99 USD

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Genuine BMW replacement coolant flange for back of water pump housing

Genuine BMW Expansion Tank Coolant Hose - BMW G42 G20 G22/23/26 B46/B...

For Pre-LCI models with the earlier B46D engine

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T#:624478

Part#: 17128654824

In Stock

5% off MSRP $ 57.99

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

$ 54.99 USD

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5% off MSRP

$ 57.99

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

$ 54.99 USD

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This coolant hose connects your cylinder head to your expansion tank. Replace your cracked or split coolant expansion tank hose to prevent coolant and pressure loss in your cooling system.

Genuine BMW Lower Radiator Hose - BMW G42 G20 G22/23/26 B46/B48 ...

For Pre-LCI models with the earlier B46D engine

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T#:618175

Part#: 17128654823

In Stock

Sale - Save 5% $ 131.99

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

$ 125.03 USD

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Sale - Save 5%

$ 131.99

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

$ 125.03 USD

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The lower radiator hose transfers low temp coolant from your radiator to your engine, helping to keep engine temperatures in check. If your lower radiator hose failed, replace it with this Genuine BMW hose to prevent additional coolant loss, overheating, and stop air from entering your coolant system.

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Genuine BMW Coolant Hose - Waterp Pump to Thermostat Module - BMW G42...

For Pre-LCI models with the earlier B46D engine

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

T#:618269

Part#: 11538650981

In Stock

8% off MSRP $ 109.99

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

$ 100.99 USD

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8% off MSRP

$ 109.99

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

$ 100.99 USD

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Over time, rubber hoses and plastic coolant flanges can become brittle due to numerous heat cycles. This often leads to cracks and coolant leaks on the left side of the engine. Additionally, the two o-rings that seal this hose to the water pump flange and the thermostat module housing can flatten, leading to leaks when reinstalled. When servicing your cooling system, it is advised to replace this hose to prevent leaks and potential overheating. This is especially helpful due to its cramped location, requiring the intake manifold to be removed for replacement.

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