318i/is, 325i/is and M3
WARNING: This page does not describe the selected car, but rather 333 other vehicles, including the 2007 BMW Z4, 2007 BMW X5, 2007 BMW X3, 2007 BMW M6, and 2007 BMW M5. However, it is still accessible from the selected car via links, so may be relevant.
The instrument cluster for these vehicles does not utilize a coding plug. The entire cluster is coded model specific, by using the ZCS coding procedure in CIP by selecting E36.
Recently, a new procedure has been made available that transfers the accumulated mileage and service interval data from a defective instrument cluster into a new replacement cluster for these vehicles.