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Dorman 603-332 Engine Coolant Reservoir - Front
Overview of Dorman Engine Coolant Reservoir 603-332
The Dorman 603-332 engine coolant reservoir is designed for reliable coolant storage and management in select BMW and Mini vehicles. This white plastic reservoir includes a flip-top cap and necessary tubing, providing a direct replacement for your vehicle's cooling system component.
- Constructed from durable white plastic material
- Includes one coolant reservoir, one flip-top cap, and tubing
- Equipped with three mounting holes for secure installation
- Non-pressurized design suitable for specific BMW and Mini models
- Cap included with flip-top style for easy access
Detailed Product Description
The Dorman 603-332 engine coolant reservoir is engineered to meet the specifications of various BMW and Mini models, including the BMW 118i, 318i, and the Mini Cooper series such as Cooper, Cooper Countryman, Cooper Paceman, i3, i3s, and i8. Made from sturdy plastic, this reservoir is designed to withstand typical engine bay conditions while maintaining coolant integrity. The included flip-top cap allows for convenient coolant level checks and refills without the need to remove the entire cap assembly. With three mounting holes, the reservoir can be securely fastened in place, although mounting hardware and brackets are not included.
Compatible Vehicles and Common Applications
This engine coolant reservoir is compatible with the following makes and models:
- BMW 118i and 318i
- Mini Cooper, Cooper Countryman, Cooper Paceman
- Mini i3, i3s, and i8
It is designed to replace worn or damaged coolant reservoirs that may cause issues such as leaks, coolant contamination, or improper coolant level maintenance.
Common Issues Addressed by This Coolant Reservoir
- Coolant leaks due to cracked or damaged reservoir tanks
- Inaccurate coolant level readings from faulty caps
- Overheating caused by insufficient coolant storage
- Contamination from degraded reservoir materials
- Loose or unstable reservoir mounting
Installation Notes and Tips
- Ensure the engine is cool before removing the old reservoir to avoid injury
- Check that the three mounting holes align properly with your vehicle’s mounting points
- Use appropriate mounting hardware as it is not included with this part
- Inspect and replace any worn tubing or clamps during installation
- Verify the flip-top cap seals correctly to prevent coolant evaporation or leaks
Quality Assurance and Warranty Information
Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 603-332 engine coolant reservoir undergoes quality checks to ensure durability and performance in compatible BMW and Mini vehicles. Warranty coverage details can be obtained from the product documentation or the original purchase source.
| Brand | Dorman |
| Part Number | 603-332 |
| Cap Included | Yes |
| Cap Type | Flip Top |
| Color | White |
| Material | Plastic |
| Mounting Brackets Included | No |
| Mounting Hardware Included | No |
| Mounting Hole Quantity | 3 |
| Package Contents | 1 Coolant Reservoir; 1 Cap; Tubing |
| Pressurized | No |
This part fits 46 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2021 | BMW | i3 | 0.6L | L2 | Front | Recovery Tank |
| 2021 | BMW | i3s | 0.6L | L2 | Front | Recovery Tank |
| 2020 | BMW | i3 | 0.6L | L2 | Front | Recovery Tank |
| 2020 | BMW | i3s | 0.6L | L2 | Front | Recovery Tank |
| 2020 | BMW | i8 | 1.5L | L3 | Front | Recovery Tank |
| 2019 | BMW | 118i | 1.5L | L3 | Front | Recovery Tank |
| 2019 | BMW | i3 | 0.6L | L2 | Front | Recovery Tank |
| 2019 | BMW | i3s | 0.6L | L2 | Front | Recovery Tank |
| 2019 | BMW | i8 | 1.5L | L3 | Front | Recovery Tank |
| 2018 | BMW | 118i | 1.5L | L3 | Front | Recovery Tank |
| 2018 | BMW | 318i | 1.5L | L3 | Front | Recovery Tank |
| 2018 | BMW | i3 | 0.6L | L2 | Front | Recovery Tank |
| 2018 | BMW | i3s | 0.6L | L2 | Front | Recovery Tank |
| 2018 | BMW | i8 | 1.5L | L3 | Front | Recovery Tank |
| 2017 | BMW | i3 | 0.6L | L2 | Front | Recovery Tank |
| 2017 | BMW | i8 | 1.5L | L3 | Front | Recovery Tank |
| 2016 | BMW | i3 | 0.6L | L2 | Front | Recovery Tank |
| 2016 | BMW | i8 | 1.5L | L3 | Front | Recovery Tank |
| 2016 | Mini | Cooper | 1.6L | L4 | Front | R59 Body Code |
| 2016 | Mini | Cooper Countryman | 1.6L | L4 | Front | |
| 2016 | Mini | Cooper Paceman | 1.6L | L4 | Front | |
| 2015 | BMW | i3 | 0.6L | L2 | Front | Recovery Tank |
| 2015 | BMW | i8 | 1.5L | L3 | Front | Recovery Tank |
| 2015 | Mini | Cooper | 1.6L | L4 | Front | |
| 2015 | Mini | Cooper | 2.0L | L4 | Front | |
| 2015 | Mini | Cooper | 1.5L | L3 | Front | |
| 2015 | Mini | Cooper Countryman | 1.6L | L4 | Front | |
| 2015 | Mini | Cooper Paceman | 1.6L | L4 | Front | |
| 2014 | BMW | i3 | 0.6L | L2 | Front | Recovery Tank |
| 2014 | BMW | i8 | 1.5L | L3 | Front | Recovery Tank |
| 2014 | Mini | Cooper | 1.6L | L4 | Front | |
| 2014 | Mini | Cooper | 2.0L | L4 | Front | |
| 2014 | Mini | Cooper | 1.5L | L3 | Front | |
| 2014 | Mini | Cooper Countryman | 1.6L | L4 | Front | |
| 2014 | Mini | Cooper Paceman | 1.6L | L4 | Front | |
| 2013 | Mini | Cooper | 1.6L | L4 | Front | |
| 2013 | Mini | Cooper Countryman | 1.6L | L4 | Front | |
| 2013 | Mini | Cooper Paceman | 1.6L | L4 | Front | |
| 2012 | Mini | Cooper | 1.6L | L4 | Front | |
| 2012 | Mini | Cooper Countryman | 1.6L | L4 | Front | |
| 2011 | Mini | Cooper | 1.6L | L4 | Front | |
| 2011 | Mini | Cooper Countryman | 1.6L | L4 | Front | |
| 2010 | Mini | Cooper | 1.6L | L4 | Front | |
| 2009 | Mini | Cooper | 1.6L | L4 | Front | |
| 2008 | Mini | Cooper | 1.6L | L4 | Front | |
| 2007 | Mini | Cooper | 1.6L | L4 | Front |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.