Removal & Installation

WARNING: This page is about a different car, the 2003 BMW X5, 2002 BMW X5, 2001 BMW X5, and 2000 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

Engine Test Step 10

Remove ignition coil. Clip Special Tool 12 7 030 on relevant ignition coil to be tested. Clip high tension clip around ignition lead.

Fig 1: Removing Ignition Coil Using Special Tool

Courtesy of BMW OF NORTH AMERICA, INC.

Connect earth lead of adapter to vehicle earth and ignition coil.

Connect up diagnosis connector.

If trigger signal is not present (terminal 1), connect black clip of universal adapter cable to pin 1 of primary adapter cable.

Fig 2: Connecting Diagnostic Connector

Courtesy of BMW OF NORTH AMERICA, INC.

Produce a stationary signal by pressing key R on the tester.

NOTE: Neighboring ignition leads could produce interference on the screen of the oscilloscope.

Refer to the fault memories of engine control units for additional troubleshooting. See SELF-DIAGNOSTICS - 2000 , SELF-DIAGNOSTICS - 2001 , SELF-DIAGNOSTICS - 2002 , or SELF-DIAGNOSTICS - 2003 .

Interrogate fault memory and its fault reports.

Fig 3: Identifying Graph

Courtesy of BMW OF NORTH AMERICA, INC.