18
February
New improvement BMW F02 valve block
OE number:
37206789450
I267047
Application: BMW F01/F02 GTF07/F11F01 GTF07
The difference between before and after.
before: it is with steel column, as the picture showed.
after: it is with copper cylinder, as the picture showed.
obviously, the quality is higher than before, the valve performance is better.