BMW 3: Introduction

 Operating principle

If the driver adjusts a desired temperature at the IHKA controls, the IHKA calculates a corresponding nominal temperature and compares it to the actual output temperature of the electrical heating. There is a coolant temperature sensor at the electrical heating output for this purpose. This way

 Resetting BMW Digital Key

To reset BMW Digital Key, an authorized vehicle key must be located in the vehicle. After the reset, the vehicle can no longer be unlocked, locked or started with a digital key. The vehicle owner must present proof of authorization for his vehicle again at the service center to be able to use BMW