Hi this has to be done in 3 stages, leaving 20 to 30 minutes between tightening's they are as follows..
stage 1: 30Nm leave 30 minutes
stage 2: 90 degrees turn leave 20 minutes
stage 3: 90 degrees turn leave 20 minutes
you have to leave them this length of time so as not to put to much strain on the head in one go...hope this helps please vote thanks
SOURCE: Hi I'm looking for cylinder head torque settings for a 1992 BMW 316/318 e36
BMW cylinder torque setting all models
According to my service manual as follows.
Cyl head to engine block (torx e12 M10 bolts)
Stage 1 30nm (22 ft – lb)
Stage 2 + 90 degrees
Stage 3 + 90 degrees
Cyl head to lower timing chain cover 10nm (89in – lb)
The tightening sequence is from inside to outside crossover as normal. Loosening sequence is from outside to inside crossover. Remember to set torque wrench at low setting and work gradually up through the whole sequence until you get the desired torque.
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