Genuine BMW M5 Coolant Reservoir Cap

Coolant Overflow Reservoir Cap

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6 Coolant Reservoir Caps found

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BMW M5 Engine Coolant Expansion Tank Cap
Part Number: 17117639021
$23.00 MSRP: $34.96
You Save: $11.96 (35%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Expansion Tank Cap; Cap, Radiator Cap, Reservoir Cap
- Position: Driver Side
- Replaces: 17-13-7-516-004
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2025 BMW M5
- 2018-2023 BMW M5 | Sedan(F90)
- 2006-2010 BMW M5 | Sedan(E60)
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BMW M5 Radiator Cap
Part Number: 17117639022
$23.00 MSRP: $34.96
You Save: $11.96 (35%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Cap, Filler Cap, Reservoir Cap
- Replaces: 17-11-1-742-231
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2013-2016 BMW M5 | Sedan(F10)
- 2000-2003 BMW M5 | Sedan(E39)
- 1991-1993 BMW M5 | Sedan(E34)
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BMW M5 Radiator Coolant Overflow Reservoir Expansion Tank Cap Cover
Part Number: 17111742231
$23.00 MSRP: $34.96
You Save: $11.96 (35%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Radiator Cap
- Replaced by: 17117639022
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1991-1993 BMW M5 | Sedan(E34)
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BMW M5 Cover Lid
Part Number: 17117639024
$23.00 MSRP: $34.96
You Save: $11.96 (35%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Cap, Cover Cap, Radiator Cap, Reservoir Cap
- Replaced by: 17135A1BD89
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2018-2020 BMW M5 | Sedan(F90)
- 2013-2016 BMW M5 | Sedan(F10)
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BMW M5 SCREW PLUG, EXPANSION TANK
Part Number: 17135A1BD89
$23.00 MSRP: $34.96
You Save: $11.96 (35%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Cap, Cover Cap, Radiator Cap, Reservoir Cap
- Position: Passenger Side
- Replaces: 17-13-2-754-264, 17-11-7-639-024
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2025 BMW M5
- 2018-2023 BMW M5 | Sedan(F90)
- 2013-2016 BMW M5 | Sedan(F10)
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BMW M5 Radiator Cap
Part Number: 17112227683
$22.41 MSRP: $27.46
You Save: $5.05 (19%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Cap, Filler Cap
- Replaces: 17-11-1-468-071, 17-11-1-178-283
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1988 BMW M5 | Sedan(E28)

BMW M5 Coolant Reservoir Cap

The BMW M5 Coolant Reservoir Cap maintains the proper pressure so coolant stays in the system and the engine remains cool during every spirited drive. An airtight seal, this Coolant Reservoir Cap prevents air pockets that can raise temperatures and rob BMW power. Owners depend on the Coolant Reservoir Cap. Its calibrated spring or modern diaphragm maintains system pressure while enabling effective coolant flow to the potent M5 block without foaming. No matter if the classic E28 icon or a current day all wheel drive rocket, the Coolant Reservoir Cap suits each generation and reinforces the long standing BMW focus on reliability. The part fits seamlessly across multiple M5 variants, including E34, E39, and the recent twin turbo model, so BMW drivers can swap a tired Coolant Reservoir Cap in minutes and resume full throttle confidence. Recent high performance plastic versions shave off ounces from the nose while the earlier metal versions boast tank like durability, but no matter which Coolant Reservoir Cap you choose, they all have the same mission. To seal heat and pressure in order to protect the beating heart of an M5. The Coolant Reservoir Cap helps to stabilize the coolant's chemistry to prevent rust and corrosion, which can prolong water pump life and reinforce BMW efficiency. A brand-new Coolant Reservoir Cap also helps protect the environment from leaks that could pollute driveways or waterways, a small item that has a big impact on safety for all M5 owners. Because of its low replacement cost, it offers excellent value for money to BMW fans who want to keep their BMW performing at its peak. This shows how smart design can be simple yet sophisticated. Due to the pressure feedback cap being designed precisely to the pressure ratings specified by the factory, it can withstand premature fatigue during track days, city crawls, and long highway stretches, ensuring that each M5 remains a benchmark among sports sedans.

If you are looking for OEM BMW M5 Coolant Reservoir Cap, we highly recommend to shop with us. Not only do we offer budget friendly prices, but we also provide fast delivery. In addition, we have a hassle-free return policy on all genuine BMW M5 Coolant Reservoir Cap that come backed by the manufacturer's warranty.