[JaySTee]

Originally Posted by jpb

I tried running with the 07.00 menu on for a few miles - car runs nicely up to 90 degrees in around 6 miles. Then every few minutes, the temeprature plummets to 45-55 and comes back up to 87-89 in about three seconds.

Is that the fan kicking in, or....?

That is a symptom of the EGR 'stat being faulty, I would change that and the main 'stat to be on the safe side. Not to difficult to do, about £70 in parts plus some new coolant from BMW. Have a look at post 18 on this thread - Link...

[daveytom66]

Am getting 26/27 mpg on my 320si petrol doing local and abit of motorway but didn't really expect much more when I bought it to be honest