I don't know how much smoke was coming out of the exhaust to be honest but there isn't any now. I'm just assuming it was simply the last bit of oil in the cats and pipe work etc. it's just nice to get back in the X

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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