Genuine BMW 325i Coolant Reservoir Cap

Coolant Overflow Reservoir Cap

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8 Coolant Reservoir Caps found

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BMW 325i 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:
- 2006 BMW 325i | Sedan(E90)
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BMW 325i 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:
- 2001-2005 BMW 325i | Sedan M54 Engine(E46), Sedan M56 Engine(E46), Sedan(E46), Wagon M54 Engine(E46), Wagon M56 Engine(E46), Wagon(E46)
- 1992-1995 BMW 325i | Convertible(E36), Sedan(E36)
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BMW 325i 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:
- 1992-1995 BMW 325i | Convertible(E36), Sedan(E36)
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BMW 325i Engine Coolant Recovery Tank Cap
Part Number: 17111723580
$5.20 MSRP: $6.25
You Save: $1.05 (17%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Cap; Reservoir Tank Cap
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1992-1995 BMW 325i | Convertible(E36), Sedan(E36)
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BMW 325i Radiator Cap
Part Number: 17114379047
$38.39 MSRP: $47.04
You Save: $8.65 (19%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Cap, Filler Cap
- Replaces: 17-11-1-177-592, 17-11-1-468-065, 17-11-1-152-061, 17-11-1-468-070, 17-11-1-152-060
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1987-1992 BMW 325i | Convertible(E30), Coupe(E30), Sedan(E30)
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BMW 325i Radiator Cap
Part Number: 17111742232
$17.89 MSRP: $21.93
You Save: $4.04 (19%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaced by: 17137639023
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1987-1992 BMW 325i | Convertible(E30), Coupe(E30), Sedan(E30)
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BMW 325i Cap
Part Number: 17121719356
$25.64 MSRP: $31.42
You Save: $5.78 (19%)
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:
- 1987-1992 BMW 325i | Convertible(E30), Coupe(E30), Sedan(E30)
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BMW 325i Radiator Expansion Tank Cap Cover
Part Number: 17137639023
$17.89 MSRP: $21.93
You Save: $4.04 (19%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Radiator Cap
- Replaces: 17-11-4-379-048, 17-11-1-742-232
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1987-1992 BMW 325i | Convertible(E30), Coupe(E30), Sedan(E30)

BMW 325i Coolant Reservoir Cap

The BMW 325i Coolant Reservoir Cap safeguards the closed cooling circuit, providing a steady pressure that keeps engine temperatures consistent even during spirited drives. The Coolant Reservoir Cap prevents oxidation by sealing out oxygen. It draws the coolant back when the engine is cooling, which runs more safely and efficiently. Also, overflow goes to the recovery tank. It fits early metal reservoirs and later plastic units, so every 325i from classic E30s to newer versions gets the same solid barrier against contaminants. The Coolant Reservoir Cap has received accolades from drivers for its ability to maintain seal integrity. It does not warp when subjected to repeated heat cycles. This trait is all about BMW reliability. It is useful in both weekend track days and day-to-day situations. By maintaining the proper pressure, the water pump can operate with less effort. The thermostats open on time, and the cabin heaters warm up quickly. These are all benefits that 325i owners appreciate at the fuel pump. This quality thermal management in BMW engines ensures their long service life. A genuine Coolant Reservoir Cap features a spring that is calibrated to factory specs. The top is easy-grip to allow for quick checking without tools, which reduces the chance of spills harmful to paint or wildlife. If a Coolant Reservoir Cap fits a sedan, coupe, or convertible, do you feel confident you can use the same part on your 1990s 325i, early 2000s 325i, or later 2010s 325i? Each cap snaps securely to the reservoir just like BMW intended, restoring the original balanced flow that has characterized BMW cooling systems for years. Accessing the Coolant Reservoir Cap for inspection takes seconds. A healthy Coolant Reservoir Cap, season after season, protects hoses, radiators, and gaskets from stress peaks that could trigger leaks, ensuring that every BMW remains the ultimate driving machine. For smooth, confident, and cool journeys tomorrow, choose a factory-rated Coolant Reservoir Cap.

If you are looking for OEM BMW 325i 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 325i Coolant Reservoir Cap that come backed by the manufacturer's warranty.

Related BMW 325i Parts

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2006 Coolant Reservoir Cap 2005 Coolant Reservoir Cap 2004 Coolant Reservoir Cap 2003 Coolant Reservoir Cap 2002 Coolant Reservoir Cap 2001 Coolant Reservoir Cap 1995 Coolant Reservoir Cap 1994 Coolant Reservoir Cap 1993 Coolant Reservoir Cap 1992 Coolant Reservoir Cap 1991 Coolant Reservoir Cap 1990 Coolant Reservoir Cap 1989 Coolant Reservoir Cap 1988 Coolant Reservoir Cap 1987 Coolant Reservoir Cap