Discussion
5w30 tells us very little, nowadays manufacturers have their own specs and will tell you what they are in the handboook.
My BMW for instance calls for LL-01 spec oil but permits a range of viscocities depending on atmospheric conditions. I found a Petronas 5w-40 fully synth that satisfies all specs for about six quid a litre on Car Parts 4 Less
With extended service intervals and in diesels in particular these specs can be quite important.
Often the easiest option is just to go to the dealer for it, it's often not as bad price wise as you'd think and everybody likes to see lots of invoices from main dealers in car histories.
My BMW for instance calls for LL-01 spec oil but permits a range of viscocities depending on atmospheric conditions. I found a Petronas 5w-40 fully synth that satisfies all specs for about six quid a litre on Car Parts 4 Less

With extended service intervals and in diesels in particular these specs can be quite important.
Often the easiest option is just to go to the dealer for it, it's often not as bad price wise as you'd think and everybody likes to see lots of invoices from main dealers in car histories.
Fleckers said:
Hi,
I need 5w30 fully syntic oil for a diesel
What do people currently recommend ?
I have been using Castrol for years just wondered if there are others out there worth trying
Please don't say go to Halfrauds Kwiks
te or main stealer
Thanks
Stuart
The cheapest one that meets or exceeds the specs. I need 5w30 fully syntic oil for a diesel
What do people currently recommend ?
I have been using Castrol for years just wondered if there are others out there worth trying
Please don't say go to Halfrauds Kwiks
te or main stealer Thanks
Stuart
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