Today we going to do some comparison btw BMW M50, M52, M52TU and M54. In this video we going to do some weight measurements btw the most common 6-six cylinder petrol blocks and cylinder heads made by BMW. Lets see what BMW have improved or worsen during the M5X era, in their engines.

Cylinder Blocks:

M50 - M50B25 Cast Iron
M52 - M52B28 Single Vanos
M52TU - M52B28TU
M54 - M54B30

Cylinder Heads:

M52 - M52B28 Single Vanos
M52TU - M52B28TU
M54 - M54B30

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