Calum,
I only have Mac computers, which from memory don't work with Pro Tune. I am ordering a new set of plug leads, plugs and coil pack from Brands Hatch Morgans. My last set of leads if that is the issue have lasted 8 years, so if the next set also last 8 years, that will about take me through to a Zimmer frame. I don't see myself climbing in and out of an M3W in my mid 80's. Indicative of a plug lead problem is that I had to spray them one slightly damp morning last month with WD40 to get the M3W to start. The plug tops are quite corroded. I did change them about 4000 miles and 4 years ago but another change will do no harm. I have asked for one grade cooler.
Wilson
