When performing cylinder leakage tests, the following tips might be helpful:
Remove all spark plugs to allow easier rotation of the engine. (If this test is
done after a compression test, the
plugs should already be out).
Perform the leakage test on all cylinders, not just the problem
cylinder.
Minimum set: Mechanical tools
Note: For straightening and assembly jobs on vehicle bodies, e.g. fitting
trim panels, removing window
weatherstrips, repairing small-scale dents, removing residual adhesive
materials, measuring gap widths,
levering out trim panel parts
Series: E12, E21, E23, E24, E28