Quantum Platinum is a fully synthetic SAE 5W-40 engine oil for all year round use in applications where an oil of that
viscosity grade and performance level (API SM/CF, ACEA C3) is recommended.
Quantum Platinum uses an optimised blend of fully synthetic base oils and a carefully selected and balanced additive
system. Approved for use in Volkswagen Group Pumpe Düse engines (meets the VW 505 01 specification) on fixed
service intervals. Approved for Volkswagen 502 00, 505 00 and 505 01 and BMW LongLife-04. Meets the specifications
of dexos2, MB 229.31 and MB 229.51, Fiat 9.55535-S2 and Renault RN 0700/0710.
Not suitable for VW Group vehicles following a Variable Service regime.
• Full synthetic formulation ensures optimum high temperature performance and oxidation resistance
• Excellent thermal stability and superior wear protection to meet the specific demands of the Pumpe Düse
• Low ash formulation to maintain Diesel Particulate Filter (DPF) performance (note: VW Group vehicles fitted
with a DPF must use Quantum LongLife III oil)
• Specifically formulated to provide improved fuel efficiency when compared to conventional engine oils
• Excellent low temperature flow properties ensure rapid oil circulation for efficient cold starting and initial
• Low volatility reduces oil consumption and can improve catalyst life
Without doubt, if an owners manual (or like on my van the sticker next to the drivers side light in the engine bay) says 506 or 507 use that type of oil.
But, I am going to go a bit old school here.
506 is 0w30
507 is 5w30 unless I am mistaken after reading all those posts!
Therefore 507 is a slightly thicker oil.
The lower the number the thinner the oil which is normally especially good for start up and running of cold engines!! (W stands for winter so cold oil viscosity) once the engine warms up the 30 comes into play.....ie no difference between the two oils at running temp approx 100'C
Cam wear and upper engine wear is most commonly believed to occur on start up of a cold engine. Therefore, normally a slightly thinner oil would be better, but with VAG changing to a slightly thicker oil (5w).It's this that makes me think that the 506 0w30 was a bit to thin for the very high 'frictions' on the cam lobes, wether there was a batch of soft cams made in 2004 or not. Worn metal parts plus High pressures and thin oil...... Do the maths.
Do you think it makes much of a difference if it's a later DPF cam profile or not? as it's the inlet/exhaust cam lobes and tappets that usually wear and not the cam lobe and roller that runs the injectors.When you've spent £XX,000 buying a van why quibble on a few £s for oil, especially as you also argue that longlife servicing is a false economy too (i.e. change oil more frequently and spend more £ again)
I don't really want to get into the technicalities but the DPF equipped PD engines have modified cam profiles (poss to allow late injection for DPF regeneration) and we all know have much of a nightmare the VW PD direct acting cam/follower is. I've only managed to get hold of valve lift profiles for an old V10 PD but the oil film on the tappet isn't right and I don't know if they've made it better or worse on the DPF/BNZ but if VW say that you need to use 507 for a BNZ engine then I'll take their work for it.
I thought it was a recognised fact that we should all service our vans fastidiously to the spec (or more often) and we will always tell new members searching for a van to check for the history.... yet now we're saying ignore that and use non approved oil?
BTW, if anyone has a either a new pre or post 2007 2.5 cam that they're about to fit, please post it to me, I'll scan it and show you exactly how and why VW cams f#ck themselves - modern analysis tools are great, we just didn't have the computing power when these engines were designed.