Genuine BMW 530i xDrive Coolant Reservoir Cap

Coolant Overflow Reservoir Cap

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5 Coolant Reservoir Caps found

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BMW 530i xDrive Radiator Cap
Part Number: 17117639020
$23.00 MSRP: $34.96
You Save: $11.96 (35%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Screw Cap For Expansion Tank; Cap, Reservoir Cap
- Replaces: 17-11-7-521-071
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2017-2023 BMW 530i xDrive | 4 Cyl 2.0 L GAS, Sedan(G30)
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BMW 530i xDrive SCREW CAP FOR EXPANSION TANK
Part Number: 17138665638
$23.00 MSRP: $34.96
You Save: $11.96 (35%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Cap, Expansion Tank Cap, Reservoir Cap
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2024-2025 BMW 530i xDrive | 4 Cyl 2.0 L MILD HYBRID EV-GAS (MHEV)
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BMW 530i xDrive Cap
Part Number: 17128515062
$8.25 MSRP: $9.24
You Save: $0.99 (11%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2020-2025 BMW 530i xDrive | 4 Cyl 2.0 L GAS, 4 Cyl 2.0 L MILD HYBRID EV-GAS (MHEV), Sedan(G30)
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BMW 530i xDrive 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:
- 2017-2020 BMW 530i xDrive | Sedan(G30)
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BMW 530i xDrive 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:
- 2017-2025 BMW 530i xDrive | 4 Cyl 2.0 L GAS, 4 Cyl 2.0 L MILD HYBRID EV-GAS (MHEV), Sedan(G30)

BMW 530i xDrive Coolant Reservoir Cap

BMW 530i xDrive Coolant Reservoir Cap maintains a good seal pressure to help the turbocharged engine maintain an ideal temperature during spirited driving. The Coolant Reservoir Cap is manufactured of heat-resistant plastic and fitted with a built-in spring valve that can endure constant expansion and contraction, preventing the formation of air pockets that cause corrosion. The seal that blocks glycol leaks will restrict the glycol escaping to the environment and protect the sensors nearby. The Coolant Reservoir Cap features precise factory threads allowing for smooth twisting on and perfect alignment on every 2017-present BMW 530i xDrive sedan and earlier 530i xDrive touring variants so owners never have to guess fitment. This one part number across model years confirms the reliability of BMW's parts consistency. The Coolant Reservoir Cap raises the boiling point of the coolant by maintaining system pressure in the designed range. The result is a 248-horsepower powertrain that works toward enhanced performance at 155 mph and efficiency every day. The cap can withstand vibrations from the eight-speed transmission and the intelligent all-wheel drive hardware. Like the full BMW cooling circuit, it is tested to the same lab standard. Experiencing fewer top-offs, more constant readings on the gauge, and less chance of overheating by the roadside builds confidence for everyday use or long highway trips. In contrast to weak imitations, the authentic Coolant Reservoir Cap endures challenging pressure cycling equivalent to years of excessive start-and-stop driving. The spare BMW Coolant Reservoir Cap gives peace of mind to BMW 530i xDrive owners. By having this little piece installed, any BMW fan can reinforce various safety systems, whose stable temperatures keep airbags and other electronics functioning well. The 530i xDrive is visually checked frequently to ensure that the cap is on tightly for the next trip.

If you are looking for OEM BMW 530i xDrive 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 530i xDrive Coolant Reservoir Cap that come backed by the manufacturer's warranty.