Vehicles after change point in 1982
(non-diconnectable version - 30 kV system)
Cut off ignition lead as shown.

Strip ignition lead end by 6 mm with a stripping pliers (1,5 mm wire cross section
size).

Place connector on ignition lead and insert in Special Tool 12 1 091 as shown.
Move clamping jaws together by turning screw against stop.

After squeezing, release jaws and take out the ignition lead.
Perform tear-out test by hand (tearing-out force:>=200 N / 44 lbs.).

Spray a thin coat of lubricant 12 1 098 on guiding sleeve of Special Tool 12 1 092.

Unscrew screw (1).
Slide in ignition lead against stop (see picture), follow with pliers and slide in ignition lead
further until connector is heard to engage.

Tighten screw (1) enough, that the pliers can be pulled back.
Caution!
Opening the pliers too much could cause the plug receptacle to break.
The plug receptacle is shown cut open for better illustration.
Note:
The required special tools 12 1 091/092/098 are also available as a complete
set 12 1 090.

BMW M 635 CSi:
Unscrew ignition lead tube.
Pull out spark plug connectors.
Testing:
Measure the shielded resistance*.


* See Specifications

Pull off rubber cap toward the rear.
Unscrew spark plug connectors.
Installation:
Apply a thin coat of lubricant** to make installation of the rubber cap easier.
**Source: HWB

Replacing Connector (Screwed) for Ignition Lead:
Cut off the connector and strip the ignition lead approx. 12 mm (1/2") with a stripping
pliers**.
Bend over leads at length of 6 mm (1/4").
**Source: HWB

Slide connector on to the ignition lead, removing several bent leads if necessary.
Insert both in Special Tool 12 1 091 and close the jaws against the stop with the screw.
Perform the tear out test.