Twilight Garage Radiator Overflow Tank is an automotive cooling replacement designed to restore proper coolant overflow control for Mini Cooper S models. Drivers gain confidence from a direct-fit, ready-to-install spare that reduces the chance of roadside leaks. Will this fit the common coolant fault on 2002–2007 R50/R52/R53 Minis?
⚡ At a Glance
- • Fitment & Compatibility: Replaces OEM part numbers 17137529273 and 17137509072, compatible with Mini Cooper S R50, R52, R53 (2002–2007)
- • Best for: Owners and independent garages needing a direct replacement for coolant overflow issues
- • Not ideal for: Vehicles outside the specified R50/R52/R53 model years or non-Mini vehicles
Direct replacement designed to match the original part specification. Supplied complete and ready for installation with cap included.
Hassle-free OEM swap – With direct fit to 17137529273/17137509072
Moulded to match OEM dimensions and inlet/outlet positions referenced by part numbers 17137529273 and 17137509072, aligning with existing hoses and mounting points on R50/R52/R53 Minis.
Fast, bolt-on replacement reduces workshop time and removes uncertainty during parts ordering.
Reliable cooling maintenance – Thanks to high-quality replacement standards
Manufactured to meet or exceed the original specifications, aiming to preserve sealing performance and coolant containment expected from the OEM unit.
Durable construction lowers the likelihood of recurrent leaks and helps keep the cooling system functioning between services.
Ready-to-fit unit – With cap and complete assembly
Supplied as a complete expansion bottle with cap included and prepared for direct installation on compatible Mini Cooper S models without extra components.
No separate cap or additional parts to source, simplifying repairs and getting the car back on the road sooner.
✨ The 4 Key Reasons for Twilight Garage Radiator Overflow Tank
- Well-made construction – Increased durability under thermal cycling reduces repeat failures
- Fast garage fit – Direct-fit design shortens labour time during replacement
- Complete assembly included – Cap arrives fitted so no extra parts are required
- OEM part number match – Simplifies ordering and ensures the correct replacement is obtained
📋 Technical Details at a Glance
- Category: Automotive Parts and Accessories
- Replaces OEM Part Numbers: 17137529273, 17137509072
- Compatible Models: Mini Cooper S R50, R52, R53
- Model Years: 2002–2007
- Includes: Expansion bottle and cap
❓ Frequently Asked Questions
Q: Will this fit my Mini Cooper S?
A: Compatible with Mini Cooper S R50, R52 and R53 models from 2002 to 2007; buyers should check OEM part numbers 17137529273 or 17137509072 to confirm fit.
Q: Does the unit come with a cap?
A: Yes, supplied complete with cap as part of the assembly, ready for installation.
Q: Are modifications required to install?
A: No modifications are required; the part is described as complete and ready for installation on the compatible models.
🏆 Our Verdict
Suitable for Mini Cooper S owners and independent garages needing a straightforward coolant overflow replacement, especially on R50/R52/R53 models. Direct OEM-number compatibility and a complete, ready-to-fit assembly make for a reliable repair option that reduces installation time. Durable construction and correct fitment deliver sensible long-term value by lowering the risk of repeat coolant faults and workshop visits.
