Both are equal to the task. I run Castrol Edge 0W-30 in the BMW and Mobil-1 10W-30 in the Toyota. I figure if you use what the manufacturer recommends you can't be blamed if something goes wrong unless you've ignored the maintenance schedule.
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2009 E90 335i Montego Blue · Black Leather · Burl Walnut · 6MT · US Spec
SatNav • ZPP • ZCW • 6FL • TPMS • iDrive • PDC • HWS • Xenons • BMW Assist • Power Rear Sunshade • Logic 7
European Taillights • Rear Foglamp • OEM Alarm • PicoTray • DataToys XM-DVR • Multi-view Processor
Quaife ATB LSD • Short Shift Knob • Hartge Anti-Roll Bars • AP Racing Front Brakes • 19" Style 269
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