1 Series E81 120i (N43) 3-door
Bolts 1 to 6 M10.
Bolts 7 to 10 M8.
Secure bolts in sequence 1 to 10.
Tightening torque: 25 Nm
Seal off coolant opening with special tool 11 0 381 .
Insert bolts (1) and secure to 15 Nm .
Coat O-ring on special tool 11 0 382 with silicone.
Position special tool 11 0 382 .
Insert bolts (1) and secure to 15 Nm .
Release sealing cap (2) on Schrader valve.
Connect compressed air hose with pressure gauge.
Heat cylinder head to 60
°
.
Immerse cylinder head in a water bath.
Test pressure max. 3.5 bar.
Check cylinder head for escaping air (cracks).
Note:
If necessary, add cleaning agent to water bath.
RA Checking cylinder head for water leaks (N43)
BMW AG - TIS
20.01.2013 03:14
Issue status (12/2007) Valid only until next DVD is issued
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