Genuine BMW 740i Coolant Reservoir Cap

Coolant Overflow Reservoir Cap

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8 Coolant Reservoir Caps found

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BMW 740i 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:
- 2011-2022 BMW 740i | 6 Cyl 3.0 L GAS, Sedan(F01), Sedan(G12)
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BMW 740i 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:
- 2011-2012 BMW 740i | Sedan(F01)
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BMW 740i Radiator Cap
Part Number: 17117639022
$23.00 MSRP: $34.96
You Save: $11.96 (35%)
Ships in 1-3 Business Days
ADD TO CART
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:
- 1997-2001 BMW 740i | Sedan(E38)
- 1993-1995 BMW 740i | Sedan(E32), Sedan(E38)
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BMW 740i 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
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Product Specifications
- Other Name: Radiator Cap
- Replaced by: 17117639022
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1993-1994 BMW 740i | Sedan(E32)
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BMW 740i 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:
- 2023-2025 BMW 740i | 6 Cyl 3.0 L GAS
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BMW 740i Cap
Part Number: 17111723117
$5.20 MSRP: $6.25
You Save: $1.05 (17%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Bleeder Valve Cap
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1997-2001 BMW 740i | Sedan(E38)
- 1995 BMW 740i | Sedan(E38)
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BMW 740i 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:
- 2016-2020 BMW 740i | Sedan(G12)
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BMW 740i 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:
- 2016-2025 BMW 740i | 6 Cyl 3.0 L GAS, Sedan(G12)

BMW 740i Coolant Reservoir Cap

The BMW 740i Coolant Reservoir Cap is designed to lock in pressure so that the engine will remain cool, clean, and ready to move. This Coolant Reservoir Cap for BMW 740i provides a tough seal that prevents leaks and blocks dirt that can cause expensive corrosion. The Coolant Reservoir Cap maintains the factory pressure. It also supports the vacuum that draws the coolant back into the engine during cooldown. This prevents any hoses and gaskets from damage from excessive pressure. The Coolant Reservoir Cap fits all 740i generation BMWs, allowing longtime fans and new owners to keep temperatures in check with a simple twist. Both devices fit directly on the Coolant Reservoir Cap, and when drivers attach the device, it makes a reassuring click sound. The drivers have a choice between the lighter plastic or the longer living metal. According to tests, the metal version survives thousands more heat cycles, something which BMW fans and 740i drivers have taken note of as it adds durability without extra weight elsewhere. Since even a pinhole can let ethylene glycol escape, the Coolant Reservoir Cap protects the environment as well as the driveway from stains. Stable cooling allows for higher fuel economy because a smooth heat curve lets the 740i computer avoid rich warm up routines. The Coolant Reservoir Cap possesses precision valves that are calibrated specifically for the 740i circuit. This ensures effective functionality, preventing boil over with excessive acceleration and hose collapse when there is a drop in temperature. The BMW specification cap is very easy to install in minutes with no tools other than a steady hand. It eliminates the guesswork in routine checks. Every single day, the BMW 740i operates cooler, safer, and more efficiently thanks to its tight seal.

If you are looking for OEM BMW 740i 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 740i Coolant Reservoir Cap that come backed by the manufacturer's warranty.