Originally Posted By: JohnGalt
I guess it is not likely, but I thought I would ask. I have a 2002 Corvette and a 2001 X5. It would be nice to use just one oil. I live in Costa Mesa, CA, so the climate is moderate, and I never track the Corvette, so it does not see much punishment.
I see many C5 drivers going with M1 0w-40. That has the BMW spec; I am thinking of going with that.
Thoughts?
I would go with the Mobil1 0w40 as it does meet the GM Opel spec.
Mobil 1 0W-40 has the following builder approvals:
0W-40
MB-Approval 229.3 X
MB-Approval 229.5 X
OPEL Long Life Service Fill GM-LL-A-025 X
OPEL Diesel Service Fill GM-LL-B-025 X
BMW LONGLIFE OIL 01 X
VW 502 00 X
VW 505 00 X
PORSCHE A40 X
Castrol 0w30
Castrol SYNTEC 0W–30 European Formula is engineered to meet the Mercedes Benz 229.5 specification. The 0W–30 viscosity grade is ideal for winter conditions where low temperature pumpability is required. A unique, low–temperature formulation provides exceptional pumpability in cold weather and allows for unaided engine starts down to –40ºF. Exceeds all car and light truck manufacturer's warranty requirements for the protection of gasoline, diesel and turbocharged engines where API SL, SJ, SH, CF or CD is recommended. Exceeds European ACEA: A3, B3, B4; VW 502 00, 505 00; MB 229.1, 229.3, 229.5; BMW LL–01; GM–LLA–025, GM–LL–B–025 and the engine protection requirements of ILSAC GF–3 for API Certified Gasoline Engine Oils.