My 2005 E53 3.OD Auto starts fine but appears to tun 'lumpy' for want of a better phrase until it is warmed up.
cant get my scanner on it as I've changed to Windows 10 laptop and not sorted the driver yet.
Goes away once warned up. No problems starting and no noticeable change in mpg
I'm thinking glow plugs pr maybe thermostat? anything else as possible sources of problem?
In the good old days I would have said it just have adjusted the choke .....
Smee
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running lumpy when cold?
Re: running lumpy when cold?
Turns out it was 3 glow plugs that were gone. all replaced and running fine now
Smee
Smee