Lord Marshall

Hi guy's
I need a little help,my brothers car is a taxi 406 hdi diesel.He has been using 10w40 semi oil in the past but I've noticed that on the Castrol website and according to some forums Peugeot recommend 5w40?
I'm confused now, I was gonna order some Fuchs super syn 10w40 semi which is on offer on Opie at the moment but im not sure now.
Can anyone help?
Thank's

Jamz3k

Tesco's are doing carlube motoroil at a tenner for 4litres, worth a punt.

Lord Marshall

Which viscosity mate?

Maz

iTrader: (34)

It's 5w 30 semi synthetic at Tescos. The 10w 40 fully synthetic should be fine but if he's used semi in the past I would stick to that.

Lord Marshall

I think i'l buy the Fuchs oil. Thanks guys.