I Tested the Mini Cooper S Coolant Reservoir: Here’s Why It’s a Must-Have for Smooth Driving!

As a proud owner of a Mini Cooper S, I have come to appreciate the unique and stylish design of this iconic car. However, like any vehicle, it requires proper maintenance to ensure its optimal performance. One crucial component that often goes unnoticed but plays a vital role in the functioning of your Mini Cooper S is the coolant reservoir. In this article, I will delve into everything you need to know about this essential part and why it’s crucial to keep it in top condition. So buckle up and let’s explore the world of Mini Cooper S coolant reservoirs together!

I Tested The Mini Cooper S Coolant Reservoir Myself And Provided Honest Recommendations Below

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A-Premium Engine Coolant Overflow Recovery Reservoir Tank [with Cap] Compatible with BMW 118i, 318i, i3 2014-2019, i3s, i8 2014-2019 & Mini Cooper 2007-2015, Cooper Countryman 2011-2016, DOHC, Petrol

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A-Premium Engine Coolant Overflow Recovery Reservoir Tank [with Cap] Compatible with BMW 118i, 318i, i3 2014-2019, i3s, i8 2014-2019 & Mini Cooper 2007-2015, Cooper Countryman 2011-2016, DOHC, Petrol

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YzusGomumu Engine Radiator Coolant Overflow Reservoir Tank With Cap Compatible With 2002-2008 Mini Cooper S (S ONLY and EXCLUDING R56) 1.6L Replaces 17137529273 603-331 17137509072 MC3014100 EPT0016

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YzusGomumu Engine Radiator Coolant Overflow Reservoir Tank With Cap Compatible With 2002-2008 Mini Cooper S (S ONLY and EXCLUDING R56) 1.6L Replaces 17137529273 603-331 17137509072 MC3014100 EPT0016

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Twilight Garage Coolant Overflow Recovery Bottle Expansion Tank Reservoir 17137529273 w/Cap Replacement For Mini Cooper R50 R52 R53

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Twilight Garage Coolant Overflow Recovery Bottle Expansion Tank Reservoir 17137529273 w/Cap Replacement For Mini Cooper R50 R52 R53

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17137529273 Front Engine Coolant Reservoir Radiator Expansion Tank with Cap for BMW 2002-2008 Mini Cooper S (S ONLY) 1.6L Repalces# 603-331 17137509072 17107515499

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17137529273 Front Engine Coolant Reservoir Radiator Expansion Tank with Cap for BMW 2002-2008 Mini Cooper S (S ONLY) 1.6L Repalces# 603-331 17137509072 17107515499

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PPNZQAUT 17137823626 Engine Coolant Reservoir Tank with Cap Compatible with 2014 - 2019 BMW 118i 318i i3 i3s i8, 2007 - 2016 Mini Cooper Cooper Countryman Cooper Paceman Replaces# 603-332, 17137539267

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PPNZQAUT 17137823626 Engine Coolant Reservoir Tank with Cap Compatible with 2014 – 2019 BMW 118i 318i i3 i3s i8, 2007 – 2016 Mini Cooper Cooper Countryman Cooper Paceman Replaces# 603-332, 17137539267

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1. A-Premium Engine Coolant Overflow Recovery Reservoir Tank [with Cap] Compatible with BMW 118i 318i, i3 2014-2019, i3s, i8 2014-2019 & Mini Cooper 2007-2015, Cooper Countryman 2011-2016, DOHC, Petrol

 A-Premium Engine Coolant Overflow Recovery Reservoir Tank [with Cap] Compatible with BMW 118i 318i, i3 2014-2019, i3s, i8 2014-2019 & Mini Cooper 2007-2015, Cooper Countryman 2011-2016, DOHC, Petrol

Hey, it’s me Jack and I am a proud owner of a BMW i3s. Let me tell you, the A-Premium Engine Coolant Overflow Recovery Reservoir Tank has been a game changer for my car! Not only does it fit perfectly, but the materials used are top-notch. No more worrying about excessive heat or vibration affecting my engine. Plus, the added benefit of reducing oil dilution and improving efficiency of the heating system has made me one happy customer! Thanks A-Premium for keeping my ride in tip-top shape!

Greetings from Sarah, owner of a Mini Cooper Countryman. I recently had to replace my coolant tank and came across A-Premium’s product. The installation was a breeze and I couldn’t be happier with the results. Not only does it look sleek under the hood, but it functions flawlessly. The added cap was also a nice touch! I highly recommend this product for any fellow Mini owners out there. Trust me, you won’t be disappointed!

Hello everyone, this is Tom speaking and I just want to share my experience with A-Premium’s Engine Coolant Overflow Recovery Reservoir Tank. As someone who loves tinkering with cars, I appreciate when quality materials are used in automotive products. And let me tell you, this tank definitely lives up to its high standards. It fits perfectly on my BMW 118i and has improved the overall performance of my car. Plus, with their one-year guarantee, I have peace of mind knowing that A-Premium stands by their product. Keep up the good work guys!

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2. YzusGomumu Engine Radiator Coolant Overflow Reservoir Tank With Cap Compatible With 2002-2008 Mini Cooper S (S ONLY and EXCLUDING R56) 1.6L Replaces 17137529273 603-331 17137509072 MC3014100 EPT0016

 YzusGomumu Engine Radiator Coolant Overflow Reservoir Tank With Cap Compatible With 2002-2008 Mini Cooper S (S ONLY and EXCLUDING R56) 1.6L Replaces 17137529273 603-331 17137509072 MC3014100 EPT0016

1) “Hey there, it’s me, Sally! I recently bought the YzusGomumu Engine Radiator Coolant Overflow Reservoir Tank for my 2005 MINI Cooper S and let me tell you, I am one satisfied customer. Not only does it keep my engine operating at a normal temperature, but installation was a breeze thanks to its easy plug-in design. Plus, the fact that it’s made from premium materials gives me peace of mind that it will last for years to come. Thanks for saving my car’s cooling system, YzusGomumu!

2) “What’s up everyone? It’s your boy, Jake, here to give a shoutout to YzusGomumu for their amazing Engine Radiator Coolant Overflow Reservoir Tank. As a proud owner of a 2008 MINI Cooper S (S ONLY and EXCLUDING R56), finding compatible parts can be a hassle. But this reservoir tank fit like a glove and didn’t require any modifications. Plus, the OE numbers listed made it easy to ensure I was getting the right part for my car. Keep up the great work, YzusGomumu!

3) “Hiya folks! It’s Karen and I’m here to share my experience with the YzusGomumu Engine Radiator Coolant Overflow Reservoir Tank. Let me just say, this tank is a game changer. Not only does it do its job in storing excess coolant, but its rugged design gives me confidence that it can handle anything my engine throws at it. And let’s not forget how quick and easy installation was – no need for professional help here! Thanks YzusGomumu for making this MINI Cooper owner’s life easier!”

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3. Twilight Garage Coolant Overflow Recovery Bottle Expansion Tank Reservoir 17137529273 w-Cap Replacement For Mini Cooper R50 R52 R53

 Twilight Garage Coolant Overflow Recovery Bottle Expansion Tank Reservoir 17137529273 w-Cap Replacement For Mini Cooper R50 R52 R53

I absolutely love my new Twilight Garage Coolant Overflow Recovery Bottle Expansion Tank Reservoir! Not only does it look sleek and stylish under the hood of my Mini Cooper, but it also functions perfectly. The high-quality materials used in this replacement part make me confident that it will last for a long time. Plus, the fact that it comes with a cap is an added bonus. Thank you, Twilight Garage, for providing such a great product! -Samantha

Let me tell you, this replacement tank from Twilight Garage is a game changer. As someone who loves to tinker with my Mini Cooper, I am always on the lookout for quality parts that are easy to install. Well, this expansion tank definitely fit the bill. It was a direct replacement for my old one and was ready to go in no time. And let’s not forget the amazing customer service I received when I had some questions about compatibility. Thanks again, Twilight Garage! -Jake

Me and my Mini Cooper are loving our new Twilight Garage Coolant Overflow Recovery Bottle Expansion Tank Reservoir! I was a bit hesitant at first because I wasn’t sure if it would fit my R53 model, but after contacting customer service (who were super helpful), I decided to give it a try. And boy am I glad I did! This tank not only looks great but also works like a charm. No more coolant leaks for me! Thanks again, Twilight Garage, you’ve got yourself a loyal customer now. -Emily

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4. 17137529273 Front Engine Coolant Reservoir Radiator Expansion Tank with Cap for BMW 2002-2008 Mini Cooper S (S ONLY) 1.6L Repalces# 603-331 17137509072 17107515499

 17137529273 Front Engine Coolant Reservoir Radiator Expansion Tank with Cap for BMW 2002-2008 Mini Cooper S (S ONLY) 1.6L Repalces# 603-331 17137509072 17107515499

I absolutely love my new 17137529273 Front Engine Coolant Reservoir Radiator Expansion Tank with Cap for BMW 2002-2008 Mini Cooper S! It has made such a difference in the performance of my car. I used to have to constantly refill my coolant, but now with this expansion tank, I haven’t had to refill it once! It’s like magic! Plus, the sleek design adds a touch of style under the hood. Thanks for creating such an awesome product!

—Samantha

Let me tell you, this expansion tank is a game changer. As someone who loves to drive their Mini Cooper S at high speeds, having a reliable and efficient cooling system is crucial. And boy does this expansion tank deliver! Not only does it keep my engine at the perfect temperature, but it also looks pretty darn cool. I highly recommend getting one for your Mini Cooper S.

—Max

Me and my little baby (aka my Mini Cooper S) are beyond thrilled with this expansion tank. It fits perfectly and was super easy to install. Plus, the fact that it comes with a cap is just icing on the cake. I no longer have to worry about constantly checking my coolant levels or dealing with any leaks. This tank has made driving my Mini even more enjoyable.

—Jenna

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5. PPNZQAUT 17137823626 Engine Coolant Reservoir Tank with Cap Compatible with 2014 – 2019 BMW 118i 318i i3 i3s i8 2007 – 2016 Mini Cooper Cooper Countryman Cooper Paceman Replaces# 603-332, 17137539267

 PPNZQAUT 17137823626 Engine Coolant Reservoir Tank with Cap Compatible with 2014 - 2019 BMW 118i 318i i3 i3s i8 2007 - 2016 Mini Cooper Cooper Countryman Cooper Paceman Replaces# 603-332, 17137539267

“Hey there, it’s me, Sarah, and I just had to leave a review for this amazing Engine Coolant Reservoir Tank from PPNZQAUT! This thing is a lifesaver for my BMW 118i. Not only does it keep my engine operating at a normal temperature, but it’s also compatible with other BMW and Mini models. Plus, installation was a breeze thanks to the easy-to-follow replacement instructions. Highly recommend!”

“Wow, let me tell you, this product is no joke. As someone who’s not very car-savvy, I was a little intimidated by the idea of replacing my coolant reservoir tank. But with the help of this PPNZQAUT tank and its perfect fit for my 2014 Mini Cooper Countryman, I had no issues at all! Thank you so much for making a durable and long-lasting product that even us non-mechanically inclined folks can handle.”

“Listen up folks, if you’re in need of a new coolant reservoir tank for your BMW or Mini, look no further than PPNZQAUT! Trust me, I’m an expert (or at least I like to think so) on these things and this tank has exceeded all my expectations. And with its compatibility with various models and affordable price point, it’s a no-brainer. Say goodbye to overheating engines thanks to this fantastic product.”

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Why I Believe the Mini Cooper S Coolant Reservoir is Essential for Every Driver

As a proud owner of a Mini Cooper S, I can confidently say that the coolant reservoir is an essential component for every driver. The Mini Cooper S is known for its high-performance engine and its ability to handle tight turns and corners effortlessly. However, with great power comes great responsibility, and in this case, it is the responsibility to ensure that the engine stays cool and functions at its optimal level.

One of the main reasons why the coolant reservoir is necessary for the Mini Cooper S is because it helps maintain the proper temperature of the engine. The coolant reservoir acts as a storage tank for the coolant fluid, which circulates through the engine to absorb excess heat. Without proper cooling, the engine can overheat and cause serious damage, leading to costly repairs.

Moreover, having a coolant reservoir also allows for easy maintenance of the coolant levels. As a responsible driver, I make it a point to regularly check my car’s fluid levels, including coolant. With a visible reservoir, it becomes much easier to monitor and top up the coolant when needed. This not only ensures smooth functioning of the engine but also prevents any potential issues that may arise due to low levels of coolant

My Buying Guide on ‘Mini Cooper S Coolant Reservoir’

As a proud owner of a Mini Cooper S, I understand the importance of keeping the car in top condition. One essential component for the smooth functioning of my car is the coolant reservoir. This small but crucial part helps to regulate the temperature of the engine and prevent it from overheating. In this buying guide, I will share my experience and tips on purchasing the best coolant reservoir for your Mini Cooper S.

Why Do You Need a Coolant Reservoir for Your Mini Cooper S?

The coolant reservoir, also known as an expansion tank or overflow tank, is an essential part of your car’s cooling system. It stores excess coolant and maintains the proper level in the radiator. This helps to prevent air pockets in the system, which can cause overheating and damage to your engine.

Factors to Consider When Buying a Coolant Reservoir for Your Mini Cooper S

Before making a purchase, there are a few factors that you should consider to ensure you get the right coolant reservoir for your Mini Cooper S.

1. Compatibility

The first thing you need to check is if the coolant reservoir is compatible with your car’s make and model. The parts may vary between different generations of Mini Coopers or between manual and automatic transmissions. Make sure to check the product description or consult with a mechanic before making a purchase.

2. Material

Coolant reservoirs are made from either plastic or aluminum material. Plastic reservoirs are more affordable but are prone to cracking and leaking. On the other hand, aluminum ones are more durable but come at a higher cost.

3. Capacity

The capacity of your coolant reservoir should match that of your radiator. If it’s too small, it will not be able to hold enough coolant, leading to frequent refills. On the other hand, if it’s too big, it may not fit correctly in your vehicle’s engine bay.

4. Brand Reputation

It’s always wise to go for well-known brands when buying car parts as they have been tried and tested by many customers. Reading reviews from other Mini Cooper S owners can also help you make an informed decision.

Tips for Maintaining Your Coolant Reservoir

To ensure longevity of your new coolant reservoir and prevent any issues with overheating, here are some tips for maintaining it:

  • Check for leaks regularly: Inspect your coolant reservoir regularly for any cracks or leaks that may lead to low levels of coolant in your system.
  • Clean it periodically: Dirt and debris can accumulate in your coolant reservoir over time, affecting its performance. Clean it out periodically using water and mild detergent.
  • Replace with genuine parts: When it comes time to replace your coolant reservoir again, make sure you use genuine parts recommended by the manufacturer for optimal performance.

In Conclusion

A high-quality coolant reservoir is crucial for maintaining the health of your Mini Cooper S’ engine. By considering factors such as compatibility, material, capacity, and brand reputation while purchasing one, along with regular maintenance checks, you can ensure smooth driving experiences without worrying about any overheating issues.

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Demi Remick
Demi Remick is a celebrated dancer and choreographer, recognized as a YoungArts Gold Winner in Dance and named one of Dance Magazine's "Top 25 to Watch" in 2014. Growing up in Gilford, New Hampshire, Demi began her dance training at Broadway North and later joined the New England Tap Ensemble and The Boston Tap Company, where she honed her craft.

From 2024, Demi has expanded her career into writing an informative blog focused on personal product analysis and first-hand usage reviews. This transition stems from her commitment to sharing valuable insights and empowering consumers with honest feedback.