Cylinder Head - Oil Seepage From The Left Side

GROUP 11
Engine

Bulletin Number
11 09 93 (3883)

Woodcliff Lake, NJ
Oct. 1993
Product Engineering

SUBJECT:
Oil Seepage from Cylinder Head

MODELS:
E36 with M42 Engine

Situation:





Oil seepage may occur from the left side of the cylinder head at the lower mounting bolt (1) for the intake manifold support bracket due to a casting shrinkage cavity located between the M6 threaded hole for the timing chain tensioning rail mounting and the M8 threaded hole for the intake manifold support bracket (see illustration).

Correction:
On M42 engines produced since approx. 4/93 the lower mounting bolt for the intake manifold support bracket has been installed with 3 Bond 1209 and is marked with a black paint spot.

Repair Tip:
If oil seepage is evident coming from the lower mounting bolt A for the intake manifold support bracket, remove the bolt and degrease the threads A along with the bolt hole threads. Apply liquid sealing compound 3 Bond 1209, BMW part number 07 58 9 062 376 on the bolt thread and reinstall bolt.

Warranty Status: Information only.