My mechanic has put me 5w40 castrol oil with 505.01 mark.
Car is A3 2.0 TDI 2011my with 125kw or 170ps.
Car has DPF.
It should go low saps oil with 507 VW mark on it as much as I saw online.
Will it cause big damage to my cars dpf? Can i leave it in car for 4000-5000 km or should I change...