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BMW Coolant Expansion Tanks for BMW 6 Series E24 (1977-1989)

Clear BMW chassis

On certain models, namely E36, E46, and E90, the factory BMW expansion tank is prone to either breaking at connection points or blowing apart altogether. If you're starting to feel like your expansion tank is on borrowed time, it's probably time to replace with either a direct OE replacement, or strengthen your cooling setup with an aluminum expansion tank - we offer numerous performance upgrades for your expansion tank. Especially if you're someone who likes to track your BMW, we recommend upgrading your expansion tank to avoid ruining your track day.

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Genuine BMW Radiator Cap 1,4Bar - 17112227683 - E30,E30 M3, E28 M5 ...

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

T#:22513

Part#: 17112227683

In Stock

7% off MSRP $ 27.99

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

$ 25.99 USD

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7% off MSRP

$ 27.99

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

$ 25.99 USD

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Genuine BMW Radiator Cap - 1,4Bar
This item fits the following BMW Chassis:
E30 M3,E30

Fits BMW Engines including:
S14,S38

Genuine BMW Expansion Tank - 633CSi

For vehicles with production date up to 09/1982

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

T#:19466

Part#: 17111116721

Ships in 1-2 days

5% off MSRP $ 164.99

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

$ 156.99 USD

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5% off MSRP

$ 164.99

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

$ 156.99 USD

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Genuine BMW RADIATOR EXPANSION TANK.--

This item fits the following BMWs:
BMW 6 Series - 630CSi, 633CSi

--. Fits BMW Engines including:
M30

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Genuine BMW Coolant Level Sensor

For vehicles with production date from 09/1986

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

T#:368499

Part#: 61311378320

Ships in 1-2 days

4% off MSRP $ 92.99

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

$ 88.99 USD

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Qty

4% off MSRP

$ 92.99

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

$ 88.99 USD

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Genuine BMW Expansion Tank Cap

For vehicles with production date between 09/1982 and 05/1984

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

T#:367910

Part#: 17114379047

Ships in 1-2 days

6% off MSRP $ 47.99

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

$ 44.99 USD

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Qty

6% off MSRP

$ 47.99

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

$ 44.99 USD

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Coolant Level Sensor - E30 325e,5/84/86, E28, E24, E23

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

T#:10545

Part#: 61311375715

Ships in 1-2 days

4% off MSRP $ 92.99

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

$ 88.99 USD

Add to Wish List

Qty

4% off MSRP

$ 92.99

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

$ 88.99 USD

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Got a low coolant level warning light on the dash? We recommend you check this coolant level sensor as it is often the cause of erroneous warning lights.
This item fits the following BMW's:
5/1984-1986 E30 BMW 325e 325es
5/1984-1988 E28 BMW 524td 528e 533i 535i 535is M5
5/1984-1988 E24 BMW 633csi 635csi
5/1984-1987 E23 BMW 733i 735i

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Genuine BMW Radiator Expansion Tank - E24 (05/1984+)

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

T#:7418

Part#: 17111707505

Ships in 4 Business Days

7% off MSRP $ 215.99

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

$ 200.99 USD

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Qty

7% off MSRP

$ 215.99

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

$ 200.99 USD

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Replace your discolored or broken expansion tank to improve the look of your engine bay and prevent potential leaks or overheating issues.

This item fits the following BMWs:
BMW 6 Series - 633CSi, 635CSi
BMW M Series - M6

--. Fits BMW Engines including:
M30,S38

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Coolant Level Sensor

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

T#:30728984

Part#: 61311378320

In Stock

Sale - Save 56% $ 34.99

This product was last offered at the strikethrough price on
05-03-2026

$ 15.29 USD

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Qty

Sale - Save 56%

$ 34.99

This product was last offered at the strikethrough price on
05-03-2026

$ 15.29 USD

Add to Wish List

Expansion Tank - E24

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

T#:45000

Part#: 16131153314

Ships in 7 Business Days

5% 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.

$ 103.99 USD

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Qty

5% 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.

$ 103.99 USD

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Genuine BMW EXPANSION TANK
Fits BMW Engines including:
M30,S38

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