MK2 Golf GTI with 1.8T AUQ engine (180 bhp standard now sat at around 230bhp) petrol I need engine oil (I think 5w 30 Castrol but open to hear Gearbox oil (5 speed 02J) (I think 75 90) Diff oil (Peloquin diff) have no idea. Thank you, let me know and I will order asap.
10w/40 Engine oil for normal road use. Gearbox oil 75w/90 as per your other post. Diff is not separate to the gearbox. Hope that helps.