5w40

Greetings, considering my Cupra has 230k km /143k miles and I will soon be getting a +30-40hp remap, what 5w40 oil brand do you recommend? One of the better options I have in my local shop are: 5W40 MOBIL Super 3000 5W40 Shell Helix Ultra 5W40 Castrol Magnatec C3 5W40 Castrol EDGE TITANIUM Turbo...

I desperatley need to oil change my recently purchased mk1 cupra 1.8T (180). Nxt weekend ideally! Castrol, Millers, and Shell aside, Quantum seems to be the oil that you can't go wrong with according to weeks of reading forums, making phonecalls, and umming and arring! I've been on the...

Been to monster Motorsport on friday to have the winter mega service done on the car, was a bargain price for it also got the coolant changed as it was a messy pink colour :blink:but i noticed that the oil grade for the shell helix ultra 5-40w but if ive heard correctly isnt the oil grade ment...

Searched but didn't find anything conclusive on this. I'm gonna change the oil in my Leon Cupra TDi 150 but don't know which to get A mate can get some Castrol Edge 5w30 for £36 (it's £45 at Halfords) but I'm not sure if it's suitable as the Halfords website only lists Castrol Edge 5w40...

Hi.i'm driving ibiza pd130 and upsolute remap(173hp) I used to use castrol slx pro. (505.01) 5w40 and when the car needs oil change yesterday,i bought 5w30 slx professional (505.01).Some forums users said me 5w30 will be harm your engine you must only use 5w40. What is the really different...

Anyone using Halfords Motorsport 5w50 oil? Any thoughts on it?