I don't know if its different from the usual tick. That is how mine has always ticked, before and after the HVL were replaced, and that sound was what led to the replacement. So, this is interesting to me. But who knows, honestly, I just don't care anymore. All of my cars have made odd noises, and I think I am just more obsessed with the damn BMW so I hear things more...I bought an extended warranty, so until something explodes, I'll just drive the shit out of the thing..