Just finished looking at my current IKE data via NCS Dummy.
Firstly, the IKE is listed as KMBI_E38.C12.
Secondly, some of the data in my PA Soft BMW Scanner IKE module binary dump doesn't seem to line up with what NCSDummy indicates.
0x00b8 is Speedometer Offset - value 0f is unlisted - (dec. is 15)
0x00b9 is Speedometer Maximum Value - value 33 = 250km/h (dec. = 51)
0x00ec is Speedometer Offset (Complimentary) - value f0 is unlisted (dec. = 240 - 240km/h?)
0x00ed is Speedometer Maximum Value (Complimentary) - value cc is 250km/h
I'll keep digging through this - got a tiger by the tail!!