"A watched pot never boils"...Aint that the truth.

After 4 previous trips to a BMW specialist, my beloved M3 is currently with a new garage trying to find what is wrong with her.

It all started about a month after i got her when I found that she was not running quite as i felt she should. I did an oil and filter service (as i had recently put in new Iridium IX plugs) and crossed my fingers...it didn't work. I did some more digging and found that others had been...