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Weird. Hearsay has it that VW 508 specifies HTHS > 2.7, much lower than 504 or 502 at HTHS > 3.5 Originally Posted by oil_film_movies ... Audi says 508 (HTHS 2.7) is going overboard.

Originally Posted by 21Rouge Originally Posted by JOD Originally Posted by 21Rouge Originally Posted by oliveoil Read and follow the manual. Well for the 2019 R it would be a 508 oil....0W20? The R is not the same engine--it specs a 502 or 504 oil. I am not sure what you mean. All I was...

Originally Posted by 21Rouge UOAs for 2018 GOLF R Thanks for sharing! Here is mine from the first year of owner ship; Currently have the new M1 ESP 5W30 in it. Interesting how the most recent fill held up more like the second fill with 1000 fewer miles on it. Code Car 2018 VW Golf R...

Originally Posted by BurntMusic That Lubrizol website is pretty cool. So if I'm understand it correctly, if I were to input all the approvals on the oil bottle, the outline shape is what the oil provides. I thought the VW 502.00 approval was strict, but it pales in comparison to the MB 229.5...

Originally Posted by edyvw . All these turbo's are able to run on 87, which is really antithesis when it comes to turbo technology) etc. That is why LSPI can become an issue. Don't VW's 1.8T TSI engines run 87 octane with no LSPI problems? When I asked about LSPI in a 2.0T TSI people seemed to...

If you're comparing xW-30 and xW-40 weight oils that meet the same standards without knowing their chemistry what else are you going to compare? If the engine is specc'd for xW-30 and xW-40 both should flow sufficiently, but "just the same"? They by definition flow differently, how do you draw...

Originally Posted by kschachn I'll be the contrary voice. Why would you "need" a 0W/5W-30 oil? The only part of that statement that could be a "need" would be the cold weather performance, and then only if you are operating in conditions that are -30F or so. But you are asking for either a 0W or...

Originally Posted by edyvw Drop in HTHS from 3.58 to 3.5. Ash going from 0.6 to 0.8, and flash point going from 254c to average 230c. NOACK reportedly on old one was 5.6%, the new one? Who knows, but it is probably average for C3 category. Mobil1 0W40 FS also had increase in NOACK compared to...

u Originally Posted By: UG_Passat But, according to Castrol PSD, the 5w40 A3/B4, the Castrol oil you loath, it meets MB229.5 https://msdspds.castrol.com/bpglis/FusionPDS.nsf/Files/39135439C56B30BB8025824F004B1E87/$File/BPXE-AX39RX.pdf And according to MB themselves, Edge Professional A3 5w40...

Originally Posted By: 1JZ_E46 It’s easentially just an air/oil separator in between the crankcase and intake manifold. I can’t see how it could make the situation worse? Depending on the placement of the can, I can see it being at least 20-25 degrees colder, allowing for oil vapor to condensate...

Thanks for the input! Azoth, are you recommending 60k mile intervals for valve cleaning with a MPI system (water/meth or fuel) or for stock DI? I have considered a catch can, but I haven't decided for myself what risk I think they pose of making the situation worse. On paper its easy for me...

I know I can be annoying Even if it doesn't seem like it I am taking all of your advice. I made this post to get advice but also to learn more about oil and the latter is why I have been continuing to post. I sincerely appreciate your responses and you all have helped me learn a great deal...

I think I have narrowed my choices down to Castrol 0W40 A3/B4 and Mobil 1 ESP 5W30. I'm still looking for an oil that has: dexos1gen2 MB 229.5 Porsche A40 BMW LL-01 VW 502 00 But I'm starting to think dexos1gen2 contradicts the others? Are these sequences published publicly? I can't find...

To be clear for others who may be reading this, VW's recommendation of 5W30 and 5W40 is merely a recommendation, the manual does say you may use other viscosity grades and still be under VW's guidelines. It is their VW 502 00 or VW 504 00 spec they mandate. I've been trying to understand why...

VW specifically recommends a 5W40 or 5W30 grade oil that meets their VW 502 00 or VW 504 00 specifications for their German built direct injected turbo charged Golf R. I've been trying to reason why they only recommend those weights, when 0W40 and 0W30 oils have similar kinematic viscosity at...

Thanks for the information on Polybutene! My gut tells me not to trust any of these additives, so that's easy for me to believe. I'm surprised people are experiencing significant noticeable differences from top tier detergents with real world use.

I finally found the ACEA oil standards, err sequences. ACEA 2012 - http://www.acea.be/uploads/publications/2012_ACEA_Oil_Sequences.pdf ACEA 2016 - http://www.acea.be/uploads/news_documents/ACEA_European_oil_sequences_2016.pdf edyvw you're right I was confusing specifications. As you and...

I'm still here! Thank you for all your responses! I haven't been able to finish following through on all the info posted in here. Thank you edyvw! I completely overlooked the European and Import Motor Oils section after finding the oil recommendation sticky in the passenger motor oil section...

Which oil should I run and how often should I change it? Which fuel do you trust most in southern California? I don't know much about lubrication and this is the first car with which I've wanted to take these questions more 'seriously.' 1. 2018 VW Golf R DSG 7spd automatic. VW's 2.0 TSI (EA888...