I would follow BMW's recommended tyre pressure. I never trust dealers to get the correct pressure. My car has done 14,000 kms and it has settled on 10.1 - 10.2 l/100km. I mostly do country driving, albeit often with a heavy foot at lots of corner carving....
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Fun Car: 135i Manual LeMans Blue / Beige Leather / Grey Poplar / pro nav / euro plates. Delivered 24 June 08
Family Car: Land Rover Discovery 4 SDV6
Spare Car: Volvo V70 Sydney Car: MB 420SEL
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