1999 BMW 528i (E39) Repair Solution

Vehicle Details

Make: BMW

Model: 528i (E39)

Year: 1999

Engine: 2.8L M52B28 6cyl 24v DOHC MPFI Petrol

Area: Electrical

Category: Ignition Switch

Vehicle was towed in because it would not start or crank.
There was no history of prior problems.

A road service patrol suspected that there was a problem with the inhibitor/relay/immobiliser.

The step-by-step diagnostic process used to identify this fault is available to TaT members.

The detailed fault description and root cause analysis for this 1999 BMW 528i (E39) is available to TaT members.

The confirmed repair procedure for this 1999 BMW 528i (E39) is available to TaT members. Includes the verified fix and technician tips.

Get the complete diagnostic sequence, verified solution, and technician tips.