Recommendations on oil?
a 502 or acea a3/b4 5w-30 or 5w-40 would suit the 1.8 better year round. m1 10w-30 is not acea a3 although the hi miles 10w-40 is. but 10w-xx is not a good match for a turbo imo. m1 0w-40 is the easyest oil to find, the new castrol is around along with many others. the mann 940/25 filter for the passat fits and will bring the capacity to a full five qts..
Specifications and Approvals
Mobil 1 High Mileage oils meet or exceed the requirements of: 5W-30 10W-30 10W-40
ACEA A1/B1,A5/B5 A3/B3,A3/B4 A3/B3,A3/B4
Not that it matters, I've gotten great DOCUMENTED results from A5 oils (common 5w-30 synths) it's just the same "quality", just thinner, and better.
Shall I post some UOAs?
Last edited by Apexxx; 04-24-2012 at 06:39 PM.