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Discussion Starter · #1 ·
3.0 petrol, just started to only just cough into life on startup, and then be very lumpy (like it's dropped onto 4 or 5 cylinders) for the first 20-30 seconds after startup each morning.

Any ideas? Could it be fuel - it's always had Premium - or is this another known problem?
 

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x3drive said:
3.0 petrol, just started to only just cough into life on startup, and then be very lumpy (like it's dropped onto 4 or 5 cylinders) for the first 20-30 seconds after startup each morning.

Any ideas? Could it be fuel - it's always had Premium - or is this another known problem?
Take it to the dealer. The 3.0 engine has had several service bulletins regarding rough idle, rough running and a 4k RPM power dip.

Even if it's not one of those, it could be many other things. Take it to them in the afternoon and leave it overnight so they can start it on a cold engine.

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05 X3 3.0 ED
 
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