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@Motul or anyone else that can give me an educated answer..
Maybe a dumb question, but I want to make sure since the formula is different....
I know when I had my 997 at the Indy last, I had them change the oil while it was in and they put in x-cess 5w-40.( not sure if it was gen 1 or 2 ) .... will it matter if it was Gen 1 they did the change with and I top it off with Gen 2?
Thanks
Maybe a dumb question, but I want to make sure since the formula is different....
I know when I had my 997 at the Indy last, I had them change the oil while it was in and they put in x-cess 5w-40.( not sure if it was gen 1 or 2 ) .... will it matter if it was Gen 1 they did the change with and I top it off with Gen 2?
Thanks
Last edited by Scalp_em; Aug 20, 2020 at 05:27 PM.
Getting ready to get some new oils for next coming up oil change.
Questions:
1. What's the differences between x-max, x-cess, x-clean, x-clean+?
2. I'm in NorCal, not super cold. I previously have bought x-max 0w40. Should I move to x-clean 5w40? Any reason to run 5w40 vs 0x40?
3. What's the latest best place to buy these oil?
Questions:
1. What's the differences between x-max, x-cess, x-clean, x-clean+?
2. I'm in NorCal, not super cold. I previously have bought x-max 0w40. Should I move to x-clean 5w40? Any reason to run 5w40 vs 0x40?
3. What's the latest best place to buy these oil?
@Motul or anyone else that can give me an educated answer..
Maybe a dumb question, but I want to make sure since the formula is different....
I know when I had my 997 at the Indy last, I had them change the oil while it was in and they put in x-cess 5w-40.( not sure if it was gen 1 or 2 ) .... will it matter if it was Gen 1 they did the change with and I top it off with Gen 2?
Thanks
Maybe a dumb question, but I want to make sure since the formula is different....
I know when I had my 997 at the Indy last, I had them change the oil while it was in and they put in x-cess 5w-40.( not sure if it was gen 1 or 2 ) .... will it matter if it was Gen 1 they did the change with and I top it off with Gen 2?
Thanks

Getting ready to get some new oils for next coming up oil change.
Questions:
1. What's the differences between x-max, x-cess, x-clean, x-clean+?
2. I'm in NorCal, not super cold. I previously have bought x-max 0w40. Should I move to x-clean 5w40? Any reason to run 5w40 vs 0x40?
3. What's the latest best place to buy these oil?
Questions:
1. What's the differences between x-max, x-cess, x-clean, x-clean+?
2. I'm in NorCal, not super cold. I previously have bought x-max 0w40. Should I move to x-clean 5w40? Any reason to run 5w40 vs 0x40?
3. What's the latest best place to buy these oil?
This article gives a good overview of the latest x-cess and x-clean difference, and it is mostly down to the additive package for different OEM approvals
https://www.motul.com/us/en-US/news/...ean-xcess-gen2
Both X-max and X-cess have the Porsche A40 approval but X-max 0W40 has a higher quality PAO (Group 4) base oil and will offer slightly more performance and efficiency. Our X-clean gen2 has the latest Porsche C40 approval and is blended more for improved emissions and protection of modern emissions equipment. X-clean+ is also blended with emissions equipment in mind but a 5W30 with the Porsche C30 approval only.
Online retailers like Amazon, eEuroParts, and PelicanParts have our full range. You can also prepay at most Advanced Auto Part stores and have it in stock within 24-48 hours.
https://www.motul.com/us/en-US/news/...ean-xcess-gen2
Both X-max and X-cess have the Porsche A40 approval but X-max 0W40 has a higher quality PAO (Group 4) base oil and will offer slightly more performance and efficiency. Our X-clean gen2 has the latest Porsche C40 approval and is blended more for improved emissions and protection of modern emissions equipment. X-clean+ is also blended with emissions equipment in mind but a 5W30 with the Porsche C30 approval only.
Online retailers like Amazon, eEuroParts, and PelicanParts have our full range. You can also prepay at most Advanced Auto Part stores and have it in stock within 24-48 hours.
Last edited by Motul; Oct 2, 2020 at 07:31 PM.
Glad I found this post, I just changed my oil yesterday from M1 to X-Cess (Gen 1) not realizing there was a Gen 2 and apparently since the Gen 1 is available that is what Amazon shipped. After reading posts on improved formulas last night I was about to flush it out until reading the posts from Motul above. Anyway, I went on the Motul site and they recommend Motul Max 0-40 for a 991.1 under 100k miles and X-Cess 5-40 for over 100k miles. Could we get an explanation on that and am I good with 30k miles and using X-Cess Gen 1?
Changed over to Motul 5-40 last week and the engine runs smoother and seems to rev freer. The M1 that was removed had 3k miles on it and came out black and ran like water.
Glad I found this post, I just changed my oil yesterday from M1 to X-Cess (Gen 1) not realizing there was a Gen 2 and apparently since the Gen 1 is available that is what Amazon shipped. After reading posts on improved formulas last night I was about to flush it out until reading the posts from Motul above. Anyway, I went on the Motul site and they recommend Motul Max 0-40 for a 991.1 under 100k miles and X-Cess 5-40 for over 100k miles. Could we get an explanation on that and am I good with 30k miles and using X-Cess Gen 1?
I've been running X-Cess 5W40 for years in numerous cars including my 911... maybe ill try the 0W40 next time... I prefer to buy from RMEuropean.com... I don't trust Amazon with easily counterfeited items such as oil. I've been burned by them before with counterfeit products.
Last edited by AdamSanta85; Dec 3, 2020 at 11:43 AM.
Folks don't get caught up with the mind-fu@king. A mind is a terrible thing to waste.....
Nick or Nolan,
What oil would you recommend for a '94 964 3.6L stock engine with just under 100K miles driven approx. 2-3K miles/year? Garaged in winter and have used M1 0w40 for years.
What oil would you recommend for a '94 964 3.6L stock engine with just under 100K miles driven approx. 2-3K miles/year? Garaged in winter and have used M1 0w40 for years.
Last edited by ilp; Dec 6, 2020 at 02:27 PM.
Directed to Motul but also welcome input from others:
There is a question on this thread about using Motul Gear 30075W-90 for replacing the original Porsche gearbox lubricant but I didn't saw an answer from Motul. I'm preparing to replace my 2013 Carrera S 991.1 PDK and differential oil and, based on my good experience using Motul X-Cess 8100 5w40 since many years, I'm considering Motul Gear 300 75w90. Is this the right lubricant for this car?
There is a question on this thread about using Motul Gear 30075W-90 for replacing the original Porsche gearbox lubricant but I didn't saw an answer from Motul. I'm preparing to replace my 2013 Carrera S 991.1 PDK and differential oil and, based on my good experience using Motul X-Cess 8100 5w40 since many years, I'm considering Motul Gear 300 75w90. Is this the right lubricant for this car?





