Really? Is 18 months really too long between service? My service indicator still has one red and one yellow light on (I think) and only recently I have the 'oil service' wording appear. I do understand what you are saying though about service lights! Until a year ago I covered around 2,500 miles per year but now cover around 7,500 per year. I realise that oil does get old and its qualities break down but never thought the time frame would be that critical to blow a turbo.

I'm still waiting to hear back from the garage!

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2004 BMW X5 3.0D
1985 Porsche Turbo 930
2000 BMW 328i
1985 RS Turbo Series 1 (Concours)
1984 Escort XR3i