5 Series E39 528i (M52) SAL
Check adjustment travel of VANOS adjustment unit:
Measure gap (x) between secondary tensioner and edge of
sensor gear.
Note down distance 1.
Connect special tool 12 6 410 to plug connection for VANOS
solenoid valve.
Connect positive clip to battery connection point.
To adjust camshaft, connect negative terminal to vehicle earth.
Caution!
If terminals on special tool are accidentally inverted, this
destroys the diode installed on the VANOS solenoid valve.
Solenoid valve remains serviceable but current spikes can
give rise to faults in vehicle circuit.
Measure gap (x) between secondary tensioner and edge of
sensor gear.
Note down distance 2.
Determine control travel:
Distance 2 - distance 1 = length of stroke.
RA Adjusting camshaft timing (M52/S52)
BMW AG - TIS
21.02.2013 15:47
Issue status (12/2007) Valid only until next DVD is issued
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