What makes VW 507 oil so necessary? - Club Touareg Forums
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post #1 of 168 Old 05-27-2016 Thread Starter
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What makes VW 507 oil so necessary?

I can't help but to think, if our vehicles-3.0 TDI motors-are so special, so expensive and so exclusive, why do we need the magical VW 507 spec. oil? What is it in our motors that makes them so seemingly magical that they need this oil we can't just by at Vatozone, Advanced Auto, Walmart, etc. and have to pay about $10 a quart for?
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post #2 of 168 Old 05-27-2016
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There's a number of factors. One is the DPF, a cheaper oil will produce more soot as it is inevitably burned off in small quantities and lower the life of your filter. Another is the extended drain interval; the oil must be able to run in various temperature and conditions for 10,000 miles without significant loss of lubrication or deposit buildup. Bottom line: German engines are built to very tight specifications, and although you might be paying a bit more for the oil for them, this is definitely not something I would ever go cheap on.
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post #3 of 168 Old 05-27-2016
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Europe has used ever higher specification oils for a long time, several decades - so even brands that define oil "simply" by API viscosity and ACEA grade are expensive for modern engines because they're very high quality and permit exceptionally long OCI, up to 30,000 miles in a few cases, that's right 48,000 km.

VW seem to specify oil differently, or perhaps it's secretly, so the specific VW Approval needs to be adhered to.

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post #4 of 168 Old 05-27-2016 Thread Starter
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Thanks guys. I totally forgot about the soot factor and the diesel part of things.

I have no problem with paying whatever it costs for the oil at all, I just realize that I need to plan ahead and just have some around for when the level drops a bar here or there.

I have been towing the past month and a half and after 4,000 miles since the last oil change, the oil level has been down from 3 bars (12 oz.) to 5 bars (20 oz.) if I had read correctly, each bar is right around 4 oz.

I do like the 10,000 OCI.
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post #5 of 168 Old 05-27-2016
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Of course, Porsche switched to 5k oil changes here for the diesel Cayenne because of our lower fuel quality. This happened early on when the 2013 model came here.

I stick with 10k and have no issues. Plenty of members here change more frequently.

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post #6 of 168 Old 05-27-2016
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507 oil is designed to protect the DPF and cat, and to improve fuel economy. Mercedes has a similar standard, I think with less emphasis on fuel economy so 5w40 oils are allowed.

-J

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post #7 of 168 Old 05-27-2016
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Garage
My dealer sells Castrol LL03 for under $7 a bottle (liter). Just not worth my time to look for it elsewhere.

I still like Volkswagens in spite of occasional idiotic corporate decisions & behavior.
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post #8 of 168 Old 05-27-2016
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Can buy Mobil 1 ESP via Amazon for just over $9 a liter delivered. I'm done with teenagers doing maintenance on my cars.
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post #9 of 168 Old 05-27-2016
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Quote:
Originally Posted by compu_85 View Post
507 oil is designed to protect the DPF and cat, and to improve fuel economy. Mercedes has a similar standard, I think with less emphasis on fuel economy so 5w40 oils are allowed.

-J
API 5W-30 / ACEA-C3 is used as generic specification on non-VWs to protect the cat, DPF and improve economy so 507 will be similar - BUT - if it doesn't list 507 among it's Approvals, don't use it.

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post #10 of 168 Old 05-27-2016
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The big deal about 505 and 507 is specific protection for cam lobe wear. 507 is for dpf and 505 is non dpf. The way the tdi engine is designed, it requires a specific oil to prevent premature cam lobe wear.

Any modern diesel oil can deal with dpfs, but only 507 can deal with cam lobe wear prevention.

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