OEM MINI Cooper Cooling System Parts

How Your MINI's Radiator Protects the Engine

Coolant absorbs heat as it flows through the engine, then passes through the radiator, where air moving across the core carries that heat away. In a tightly packaged MINI engine bay, the radiator works alongside the electric cooling fan, water pump, thermostat, and expansion tank. A radiator that can't release heat efficiently puts the engine at risk of overheating, which can lead to warped cylinder heads, failed head gaskets, and other costly damage.

Signs Your MINI's Radiator Needs Attention

• A coolant temperature warning or a low-coolant message
• Coolant puddles or residue under the front of the car
• Coolant that needs topping off more often than expected
• Cracks, seepage, or white crust along the radiator's end tanks or seams
• Bent, corroded, or blocked cooling fins
• A sweet smell after driving, which can indicate leaking coolant

Many MINI radiators use plastic end tanks joined to an aluminum core. With years of heat cycles, those tanks and seams can become brittle and begin to leak. Because coolant leaks can also come from hoses, the water pump, the thermostat housing, or the expansion tank, it's worth pinpointing the source before replacing parts.

Built to Match Your MINI's Cooling Needs

Radiator size and design vary by generation, engine, and transmission. Turbocharged and John Cooper Works models, and cars with automatic transmissions, may use different radiators or additional coolers. Aftermarket radiators can differ in core thickness, mounting tabs, or hose connections, which can lead to fitment problems or reduced cooling. A genuine MINI radiator matches the capacity and connections your cooling system was designed for. When replacing a radiator, it's also a good time to check hoses, clamps, and the expansion tank, and to refill with the coolant MINI specifies for your car.

Electric and Plug-In Hybrid MINI Cooling

Fully electric MINI models don't use a traditional engine radiator, but they do rely on thermal management systems to keep the battery and drive components within their operating range. Plug-in hybrid models cool both a gasoline engine and electric components. Searching by VIN shows you the cooling parts that apply to your MINI.

Find the Correct Radiator for Your MINI by VIN

Enter your 17-digit VIN in our catalog to match the radiator built for your exact model, engine, and transmission, from first-generation R50 and R53 models through current MINIs. Radiator replacement often requires removing front-end components and properly bleeding air from the cooling system afterward. Trapped air can cause overheating, so if you're unsure about the procedure, a qualified MINI technician can handle the installation and refill.

Keep your MINI running at the right temperature with a genuine MINI radiator from MINI of Ramsey.