G26 Common Issues

Faulty sensors (e.g., temperature, pressure, and air flow) leading to error codes and illumination of dashboard lights
Transmission problems, including slipping and hesitation during gear shifts
Issues with the iDrive infotainment system, such as freezing or slow performance
Problems with the electric power steering (EPS), causing uneven tire wear or reduced responsiveness
Air leaks in the engine compartment, often caused by loose connections or faulty hoses
Coolant leaks from the water pump or radiators, requiring frequent top-ups
Faulty or failing high-performance brake rotors and pads on M models
Engine oil consumption issues due to worn piston rings or cylinder liners
Rear axle bearing wear, causing unusual noises during acceleration
Software glitches and updates that can cause unexpected system behavior or freezing of the iDrive system
Problems with the parking sensors and rearview camera due to faulty software calibration
Loose or damaged trim pieces on the exterior, often caused by minor accidents or parking mishaps
Water leaks into the cabin through the sunroof or side windows during heavy rain or when driving at high speeds
Issues with the Dynamic Stability Control (DSC) system, leading to unusual warning lights or messages
Fuel door and trunk lid issues due to faulty latches or hinges on M models