5k or 12 months on my BMWs, 7500 on my Cummins. Motul 5W40 in the newer Bimmers, PennGrade High Zinc 15W40 in the M635Csi, and Rotella in the Cummins.

To anger a conservative, lie to him. To annoy a liberal, tell him the truth.

Promoted to Turdlike status 03/17/12