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Full Synthetic High Mileage in 40w range. #4979998
01/15/19 01:41 PM
01/15/19 01:41 PM
Joined: Aug 2004
Posts: 366
San Diego
FlyPenFly Offline OP
FlyPenFly  Offline OP

Joined: Aug 2004
Posts: 366
San Diego
Looking for a 40w range fully synthetic high mileage oil.

Does anyone else make a full synthetic high mileage oil like M1 10w40? I can't seem to find any that are full synthetic. Nothing against it but just wondering if there are other oils I should look at as well. This is for the problematic VW/Audi EA888 engine with about 123k miles on it. They're notorious for oil consumption.

Last edited by FlyPenFly; 01/15/19 01:42 PM.

2014 Mercedes GLK350 3.5L DFI
2014 Mercedes E350 Coupe 3.5L DFI
2010 Audi A4 2.0T
Re: Full Synthetic High Mileage in 40w range. [Re: FlyPenFly] #4980031
01/15/19 02:20 PM
01/15/19 02:20 PM
Joined: Dec 2006
Posts: 19,868
Dallas,Tx USA
aquariuscsm Offline
aquariuscsm  Offline

Joined: Dec 2006
Posts: 19,868
Dallas,Tx USA
https://msdspds.castrol.com/bpglis/FusionPDS.nsf/Files/7AA916452910531580257EFB0071A62D/$File/BPXE-A4X7SV.pdf

Castrol Edge High Mileage 10W40


1996 Nissan 300ZX 5-speed,Arctic Pearl(#175 of 300)
Quaker State Ultimate Durability 10W30
2012 Honda Accord Coupe EX-L 2.4,auto,San Marino Red
Quaker State Ultimate Durability 10W30

Re: Full Synthetic High Mileage in 40w range. [Re: FlyPenFly] #4980042
01/15/19 02:30 PM
01/15/19 02:30 PM
Joined: Aug 2010
Posts: 12,916
Northern Kentucky
901Memphis Offline
901Memphis  Offline

Joined: Aug 2010
Posts: 12,916
Northern Kentucky
The 10w40 M1 HM is what you want. You could probably get away with a 10w30 too?


2012 Chevy Cruze LT 1.4T - 62k - Edge 0w30 SL + Mahle OX401D
2002 Buick Century 147k - Built 4T65e(Maxlife) - GTX 5w30 + Fram XG3980
Re: Full Synthetic High Mileage in 40w range. [Re: FlyPenFly] #4980046
01/15/19 02:31 PM
01/15/19 02:31 PM
Joined: Mar 2012
Posts: 7,179
Colorado Springs
edyvw Offline
edyvw  Offline

Joined: Mar 2012
Posts: 7,179
Colorado Springs
Originally Posted by FlyPenFly
Looking for a 40w range fully synthetic high mileage oil.

Does anyone else make a full synthetic high mileage oil like M1 10w40? I can't seem to find any that are full synthetic. Nothing against it but just wondering if there are other oils I should look at as well. This is for the problematic VW/Audi EA888 engine with about 123k miles on it. They're notorious for oil consumption.

My EA888 does not consume drop of oil.
How is your PCV or rear main seal? PCV failure will lead to rear main seal failure.


15' Toyota Sienna AWD (Mobil1 5W30 EP+OEM filter).
11' VW Tiguan 2.0T (Castrol 0W40+MANN filter)
Re: Full Synthetic High Mileage in 40w range. [Re: FlyPenFly] #4980075
01/15/19 02:52 PM
01/15/19 02:52 PM
Joined: Aug 2004
Posts: 366
San Diego
FlyPenFly Offline OP
FlyPenFly  Offline OP

Joined: Aug 2004
Posts: 366
San Diego
After looking at the VOA, I guess M1 10w40 is the way to go with it's lower Ca and higher Mg. This is a turbo DI engine after all. Thankfully it's significantly less expensive than the Castrol 10w40HM.

Car is running fine but it needs the timing chain system replaced (tensioner is at max extension) and I'll probably do the PCV system myself in the near future. Not burning much oil but want to keep it that way. It's a class action and TSB for Audi anyway for oil consumption and timing chain system. Apparently a lot of these engines suffered from poor quality cylinder rings from a vendor and poorly designed timing chain tensioners pre-2014.

Last edited by FlyPenFly; 01/15/19 02:54 PM.

2014 Mercedes GLK350 3.5L DFI
2014 Mercedes E350 Coupe 3.5L DFI
2010 Audi A4 2.0T
Re: Full Synthetic High Mileage in 40w range. [Re: FlyPenFly] #4980223
01/15/19 05:15 PM
01/15/19 05:15 PM
Joined: Mar 2012
Posts: 7,179
Colorado Springs
edyvw Offline
edyvw  Offline

Joined: Mar 2012
Posts: 7,179
Colorado Springs
Originally Posted by FlyPenFly
After looking at the VOA, I guess M1 10w40 is the way to go with it's lower Ca and higher Mg. This is a turbo DI engine after all. Thankfully it's significantly less expensive than the Castrol 10w40HM.

Car is running fine but it needs the timing chain system replaced (tensioner is at max extension) and I'll probably do the PCV system myself in the near future. Not burning much oil but want to keep it that way. It's a class action and TSB for Audi anyway for oil consumption and timing chain system. Apparently a lot of these engines suffered from poor quality cylinder rings from a vendor and poorly designed timing chain tensioners pre-2014.

I would stick with Castrol 0W40. You will not gain anything with HM oil.
I changed tensioner at 68k preventively and installed updated one.
Reengineered piston rings, PCV are mid-2012 as well as chain tensioner (this affects 3.0T engines too).
I would change tensioner ASAP, and stick to Castrol 0W40. PCV might alleviate some of your issues as that is first culprit.
By the way, what oil are you using now?


15' Toyota Sienna AWD (Mobil1 5W30 EP+OEM filter).
11' VW Tiguan 2.0T (Castrol 0W40+MANN filter)
Re: Full Synthetic High Mileage in 40w range. [Re: FlyPenFly] #4980235
01/15/19 05:24 PM
01/15/19 05:24 PM
Joined: Dec 2018
Posts: 276
Vancouver
Jimmy_Russells Offline
Jimmy_Russells  Offline

Joined: Dec 2018
Posts: 276
Vancouver
Agree with edy above.

I had a 2011 GTI for 7.5 years and my coworker bought it from me about ten months ago, he still has it. It has about 82k on it now. Still on the original tensioner but I have told him he might want to swap it out. I think the consumption problem is more PCV related but mine never really used much oil, maybe 1/2-3/4 quart every 6-7k mile OCI. I always used 502 oils in it.

Last edited by Jimmy_Russells; 01/15/19 05:24 PM.
Re: Full Synthetic High Mileage in 40w range. [Re: FlyPenFly] #4980294
01/15/19 06:48 PM
01/15/19 06:48 PM
Joined: Jul 2008
Posts: 1,049
Maryland USA
rubberchicken Offline
rubberchicken  Offline

Joined: Jul 2008
Posts: 1,049
Maryland USA
Amsoil makes a good synthetic 10w-40. Motul also has a 10w40 full synthetic.

Re: Full Synthetic High Mileage in 40w range. [Re: FlyPenFly] #4980300
01/15/19 06:53 PM
01/15/19 06:53 PM
Joined: Apr 2017
Posts: 1,958
San Rafael, CA
dogememe Offline
dogememe  Offline

Joined: Apr 2017
Posts: 1,958
San Rafael, CA
O'Reilly Full Synthetic HM 10w-40 is cheap and decent.


2010 Ford Escape 2.5 ~96K Miles
Valvoline 5W-20 from Valvoline Instant Oil Change.
Re: Full Synthetic High Mileage in 40w range. [Re: FlyPenFly] #4980310
01/15/19 06:58 PM
01/15/19 06:58 PM
Joined: Feb 2017
Posts: 313
Vancouver, Canada
dubber09 Online content
dubber09  Online Content

Joined: Feb 2017
Posts: 313
Vancouver, Canada
Originally Posted by FlyPenFly
After looking at the VOA, I guess M1 10w40 is the way to go with it's lower Ca and higher Mg. This is a turbo DI engine after all. Thankfully it's significantly less expensive than the Castrol 10w40HM.

Car is running fine but it needs the timing chain system replaced (tensioner is at max extension) and I'll probably do the PCV system myself in the near future. Not burning much oil but want to keep it that way. It's a class action and TSB for Audi anyway for oil consumption and timing chain system. Apparently a lot of these engines suffered from poor quality cylinder rings from a vendor and poorly designed timing chain tensioners pre-2014.


I second that, M1 HM 10w-40 is a very good oil.


Kia Sportage 2014 GDI 2.4L
Kia Forte 2014 MPI 1.8L
Re: Full Synthetic High Mileage in 40w range. [Re: edyvw] #4980334
01/15/19 07:27 PM
01/15/19 07:27 PM
Joined: Aug 2004
Posts: 366
San Diego
FlyPenFly Offline OP
FlyPenFly  Offline OP

Joined: Aug 2004
Posts: 366
San Diego
Originally Posted by edyvw
Originally Posted by FlyPenFly
After looking at the VOA, I guess M1 10w40 is the way to go with it's lower Ca and higher Mg. This is a turbo DI engine after all. Thankfully it's significantly less expensive than the Castrol 10w40HM.

Car is running fine but it needs the timing chain system replaced (tensioner is at max extension) and I'll probably do the PCV system myself in the near future. Not burning much oil but want to keep it that way. It's a class action and TSB for Audi anyway for oil consumption and timing chain system. Apparently a lot of these engines suffered from poor quality cylinder rings from a vendor and poorly designed timing chain tensioners pre-2014.

I would stick with Castrol 0W40. You will not gain anything with HM oil.
I changed tensioner at 68k preventively and installed updated one.
Reengineered piston rings, PCV are mid-2012 as well as chain tensioner (this affects 3.0T engines too).
I would change tensioner ASAP, and stick to Castrol 0W40. PCV might alleviate some of your issues as that is first culprit.
By the way, what oil are you using now?


I think at 123k miles on this somewhat problematic engine design, I think it might make sense as preventative to keep the seals in good condition. There's Castrol 0w40 that was just changed in there now. I'm getting the tensioner and full chain service and maybe a carbon cleaning done in 2 days.

Next oil change, I'll probably switch to M1 10W40HM because of it's lower Ca content as well.

Last edited by FlyPenFly; 01/15/19 07:41 PM.

2014 Mercedes GLK350 3.5L DFI
2014 Mercedes E350 Coupe 3.5L DFI
2010 Audi A4 2.0T
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