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Radiator cap

BMW 1 Series Radiator Cap

  1. Part No :174BM0190
    £6.86
    RADIATOR CAP
    • FREE UK Delivery: On orders over £25

    • Click & Collect: Branches nationwide

    • Low Price Promise

    Fitment Info

    Brand Standard
    Pressure [bar] 1.2
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    • Silver
      Original Equipment quality product in a GSF Own Brand
    • Silver
      Original Equipment quality product in a GSF Own Brand
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  2. Part No :174BM0240
    £7.93
    RADIATOR CAP
    • FREE UK Delivery: On orders over £25

    • Click & Collect: Branches nationwide

    • Low Price Promise

    Fitment Info

    Brand Standard
    Height [mm] 46
    Pressure [bar] 1.4
    Thread Size M52 x 3 mm
    Inner Thread [mm] M52 x 3
    Outer Diameter [mm] 88
    Please select your preferred brand or option
    • Silver
      Original Equipment quality product in a GSF Own Brand
    • Silver
      Original Equipment quality product in a GSF Own Brand
    Click and Collect
    Enter your full postcode to check local branch stock

    Please enter a town or postcode.

    Click and Collect
    Nearest Branch
    More Branches
    Checking stock near 
    Click & Collect
    Reserve and Collect in 1 hour, Pay in Branch
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    Checking stock near 
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    Check another location

Understanding the Radiator Cap in Your BMW 1 Series

The radiator cap plays a crucial role in the maintenance of your cooling system, acting as a simple but essential component that helps regulate pressure and prevent overheating. If you own a BMW 1 Series, ensuring that your radiator cap is functioning correctly is key to keeping your vehicle running smoothly and efficiently.

Signs of a Faulty Radiator Cap

A malfunctioning radiator cap can lead to a variety of issues in your BMW 1 Series. Common signs include coolant leaks, an overheating engine, or visible damage to the cap itself. It's important to address these symptoms promptly to avoid further damage to your vehicle's cooling heating system.

Choosing the Right Radiator Cap for Your BMW 1 Series

When selecting a new radiator cap for your BMW 1 Series, it's essential to choose one that matches the specifications recommended by the manufacturer. The right cap will ensure a proper seal and maintain the correct pressure within the cooling system. Compatibility with your specific BMW model is crucial for optimal performance and longevity of your vehicle's engine.

Installation and Maintenance

Installing a new radiator cap is a straightforward process that can often be completed without professional assistance. However, it's important to follow the correct procedures to avoid damaging your BMW 1 Series' cooling system. Regular checks and maintenance of the radiator cap and the entire cooling system can help prevent unexpected issues and prolong the life of your vehicle.

Find Quality Radiator Caps for Your BMW 1 Series

If you're in need of a replacement radiator cap for your BMW 1 Series, look no further. Our selection of quality parts ensures that you can find the right component to keep your vehicle's cooling system in top condition. Remember, a well-maintained cooling system is key to the performance and efficiency of your BMW.

To explore a wide range of radiator caps and other related components for your BMW 1 Series, visit our main parts page for this make and model. Find the perfect match for your vehicle and ensure its cooling system remains reliable and efficient.

For all your BMW 1 Series car parts needs, including essential cooling system components, click here: 1 series bmw car parts.

Radiator caps

Find quality aftermarket radiator caps at GSF Car Parts. We stock reliable, long-lasting caps sourced from our reliable, trusted auto partners. Use the product finder to find the best match for your car's radiator by entering your vehicle's reg number or make and model.

What is a Radiator Cap?

A radiator cap is not just a standard cap. It regulates the maximum pressure inside the radiator, stopping any damage to the radiator hoses and the radiator itself. The radiator cap has a return valve installed that allows air in from the atmosphere or coolant from the expansion tank if you have one installed.

What are the Signs of a Broken Radiator Cap?

It could be a broken radiator cap if you notice any of these symptoms.

  • Engine overheating
  • Coolant leaking from the radiator
  • A radiator hose that has collapsed
  • The coolant reservoir tank overflowing

What Other Car Parts do we Stock?

Keeping your cooling and heating system in check is vital for keeping your car warm and your engine temperature running smoothly. We hold stock of cooling system spares for every eventuality, including full radiators, thermostats, water pumps, radiator fans, antifreeze, radiator mountings, and much more!

Those of you who love to work on your car at home can learn how to spot a radiator leak and perform a coolant flush with our handy knowledge hub guides. Check how your thermostat works and how to change it. And if you're new to car maintenance but want to learn, you can start by finding out what antifreeze is here

We stock a full range of car parts and spares for other repairs or servicing on your car, from service, engine, transmission, exhaust, electrics, fuel and emissions, braking systems, and cooling and heating parts. All are sourced from our trusted and reliable auto partners.

Shop Radiator Caps at GSF Car Parts Online and In-Store

All our radiator caps are from trusted brands in the motoring industry, so you can count on them to be reliable and of excellent quality. Plus, our low-price promise means you can always expect great value too.

We offer free UK delivery on all online orders over £25, plus 60-day returns*. We also know you want to get your car up and running as soon as possible, which is why we offer a Click and Collect service that allows you to get your radiator cap in just an hour.

So, buy radiator caps from us with confidence today. Or if you’re close to one of our 180 store locations across the UK & Ireland, drop by. Our experienced staff will be able to direct you to the correct part for your vehicle.