engine oil

vinesh

New member
Points
61
Car
lancer evo 6 gsr
hey guys i've changed my engine oil to 5w-40 fully synthetic and i think my engine is not running smoothly with it.do you think its not compatible with my mitsu 4g67???i dont wanna blow it off guys!!!plz help:(
 

marti5

Road Burner
Points
62
From
IPSWICH, Suffolk
Car
BMW E38 735i 1997
5w/40 should be ok, the book recommendation is 10w-40 or 10w-50, it depends on how old it is and the mileage, so if its say got over 100k I would go for 10w..
 
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