Head thickness

[decoupe]

What is the minimum thickness of a b35 head after after planning flat that is safe to use? 144mm rings a bell.


Thanks

 

[DerSchwede]

129 mm is the new measurement.

BMW states -0.5mm is OK so 128.5mm is minimum.

Less than 128.3 will make the head very prone to crack.

Cheers
A

 

[deQuincey]

129 mm is the new measurement.

BMW states -0.5mm is OK so 128.5mm is minimum.

Less than 128.3 will make the head very prone to crack.

Cheers
A

+1

 

[decoupe]

Thanks