Prakash, you wrote: > A benefit of using the Mobil 1 syntheic oil was that it did not > shear at all even in the 4810 mile oil change interval, while > the Valvoline sheared down to a 30 weight oil in as few as 3100 > miles. How did you know what the viscosity is? Do they provide a vis measurement to go along with all the contaminant data? TIA. Regards, Jerry Arlington, TX (12-Sep-96, 06:44) '95 540i-6 spd