3 Series E36 Z3 (M52TU) ROADST
Insert screw (1) by hand until special tool 11 7 393 rests on
sealing surface.
Tighten down screw (1) by approx. a half to one turn.
Check sealing rings (1) and coat with water as anti-friction
coating. Insert special tool 11 7 395 and tighten down.
Seal coolant apertures with special tool kit 11 7 390 .
Connect compressed air to special tool 11 7 395 .
Immerse cylinder head in a water bath. Inspection
pressure 4.5 bar.
Check cylinder head for escaping air (cracks).
Note:
If necessary, soften the bath water with a cleaning agent.
RA Checking cylinder head for watertightness (M52TU / M54 / M56)
BMW AG - TIS
11.02.2013 00:41
Issue status (12/2007) Valid only until next DVD is issued
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