oh and sedimenter info is in post 9 on this fred
http://www.landyzone.co.uk/lz/f8/wots-wrong-my-200tdi-disco-130396.html#post1337904
http://www.landyzone.co.uk/lz/f8/wots-wrong-my-200tdi-disco-130396.html#post1337904
it's all a matter of opinion really, hence why there's so much confusion on oil types. If you want to use semi synth then use it but I don't think it'll make any difference and cost a lot more. It's up to you reallySo ya reckon 10-40 mineral? Thanks for the link!