First and second-generation models were prone to clutch failures. First-gen Mini Coopers experienced significant transmission malfunctions as well. Other common complaints included leaking water pumps, radiator issues, and electric power steering pump problems.
What are the problems with Mini Cooper?
7 Common Repair Problems Mini Cooper Owners Face. July 24, 2018. Front Radiator Support and Coolant Hose. Movement in the Timing Chain Can Create Noise and Vibration. Electric Power Steering Pump. Variable Valve Timing (VVT) Issues. Water Pump and Thermostat Housing Leaks. Clutch Failure. Transmission Problems and Failure.Jul 24, 2018
Are minis really that unreliable?
The Mini Cooper is average in terms of dependability. It has a reliability index of 117, and the average is 118. Just 7.3% of owners experienced a problem with their Mini on more than one occasion. It scores pretty well on autoexpress, with a reliability score of 95.38%.