Aluminum Coolant Reservoir Tank w/ NEW 16 PSI Cap | Fits 02-06 Mini Cooper S R53 05-08 Convertible R52S Fabricated aluminum construction. Will NEVER fail from any type of street or track use. Exact fit. Fits into factory mounting bracket. Connects directly to factory lines. Supplied with 18" overflow hose pre-installed Uses US style SAFETY pressure cap. (16 PSI Cap included!) 100% Made in the USA