Cams by the number (and letter)

[sfdon]

what to look for behind that plate on the back of the head

In this pic there are:

B
L
M
K
7
3
7 and 3 are forked old school
K is Euro
M is low smog 260 "grandma" early and late

No H cam
Sorry!

 

[sfdon]

 

[ahab]

Great stuff Don, thanks for sharing. Aside from M being a 260° cam, do you know what the other codes correlate to? I seem to recall 264° and 272° being popular.

 

[sfdon]

K is 264
I will let others chime in..

 

[mbmw]

M30 CS cams

1 = 260°
2 = 264°
3 = 272°

 

[sfdon]

Picked up a "8" cam today out of a 728i euro with double valve springs.
Those crazy high reving Europeans!!