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Motul 8100 X-cess 5W40, 11,757mi, '13 Audi A6 3.0T #4491476
08/17/17 10:02 PM
08/17/17 10:02 PM
Joined: Apr 2016
Posts: 124
Chattanooga, TN
GermanAutohaus Offline OP
GermanAutohaus  Offline OP

Joined: Apr 2016
Posts: 124
Chattanooga, TN
This UOA is for a 2013 Audi A6 3.0T Supercharged running Motul 8100 Xcess 5W40. 11,757mi mile run. Vehicle is driven daily with a 25/75 mix of city/hwy driving. First UOA was with Rotella T6 5W40 (old CJ-4). Second and most recent was with 8100 Xcess 5W40. Immediately after the recent UOA it was discovered that the customer had a failed PCV causing excessive oil consumption and fuel trimming. The PCV was replaced along with performing an intake port carbon cleaning with a walnut blaster.


Re: Motul 8100 X-cess 5W40, 11,757mi, '13 Audi A6 3.0T [Re: GermanAutohaus] #4491480
08/17/17 10:12 PM
08/17/17 10:12 PM
Joined: Jul 2016
Posts: 1,797
Jacksonville, FL
FlyNavyP3 Offline
FlyNavyP3  Offline

Joined: Jul 2016
Posts: 1,797
Jacksonville, FL
This engine seemed to shed less iron on the T6. Any reason for no longer using the T6? Wear metals seem high for 4 quarts of makeup oil.

Thanks for posting these reports I always enjoy seeing them!


Luke
P-3C and P-8A Maritime Weapons and Tactics Instructor, Instructor Tactical Coordinator and Mission Commander
Re: Motul 8100 X-cess 5W40, 11,757mi, '13 Audi A6 3.0T [Re: GermanAutohaus] #4491568
08/18/17 04:00 AM
08/18/17 04:00 AM
Joined: Sep 2015
Posts: 2,559
Malaysia
zeng Offline
zeng  Offline

Joined: Sep 2015
Posts: 2,559
Malaysia
Non-spec Rotella T6 5W40 CJ4 performs 'better and superior' than an in-spec VW Motul Xcess 5W40 ?
Isn't that interesting ?

Re: Motul 8100 X-cess 5W40, 11,757mi, '13 Audi A6 3.0T [Re: GermanAutohaus] #4491617
08/18/17 06:48 AM
08/18/17 06:48 AM
Joined: Jun 2016
Posts: 553
South OZ
KL31 Offline
KL31  Offline

Joined: Jun 2016
Posts: 553
South OZ
Moly/Zinc/Phos/Mileage are higher with Rotella and iron ppm is lower. Illuminati confirmed... or just natural variation of UOA/driving style/weather/etc? Hard to say but I'd be running Rotella again for more comparisons and savings over that pricey Motul!

Last edited by KL31; 08/18/17 06:48 AM.

95 MX-3 2.5L|Shell Helix Ultra 5W40|Wix 51356
04 Focus 1.8L|Wesfil Cooper WZ63|Valvoline MST 5W30
05 Kluger 3.3L|Wesfil Cooper WZ418|Magnatec 10W30 Semi Syn
Re: Motul 8100 X-cess 5W40, 11,757mi, '13 Audi A6 3.0T [Re: KL31] #4491622
08/18/17 07:02 AM
08/18/17 07:02 AM
Joined: Apr 2016
Posts: 124
Chattanooga, TN
GermanAutohaus Offline OP
GermanAutohaus  Offline OP

Joined: Apr 2016
Posts: 124
Chattanooga, TN
Originally Posted By: KL31
Moly/Zinc/Phos/Mileage are higher with Rotella and iron ppm is lower. Illuminati confirmed... or just natural variation of UOA/driving style/weather/etc? Hard to say but I'd be running Rotella again for more comparisons and savings over that pricey Motul!


We sell manufacturer-approved 8100 Xcess 5W40 at only ~$1 more a liter than the Rotella. If T6 carried VW, BMW, Merc (ect) approvals, we'd be using it again in a heart beat. T6's CK-4 update from CJ-4 also throws another curve ball.


Re: Motul 8100 X-cess 5W40, 11,757mi, '13 Audi A6 3.0T [Re: GermanAutohaus] #4491847
08/18/17 11:21 AM
08/18/17 11:21 AM
Joined: Apr 2016
Posts: 1,990
Oregon
1JZ_E46 Offline
1JZ_E46  Offline

Joined: Apr 2016
Posts: 1,990
Oregon
Originally Posted By: GermanAutohaus
We sell manufacturer-approved 8100 Xcess 5W40 at only ~$1 more a liter than the Rotella. If T6 carried VW, BMW, Merc (ect) approvals, we'd be using it again in a heart beat. T6's CK-4 update from CJ-4 also throws another curve ball.


Any experience with the new CK-4 version?


2007 X5 4.8i: M1 HM 10W-30
2016 Countryman S: Castrol 0W-40
Re: Motul 8100 X-cess 5W40, 11,757mi, '13 Audi A6 3.0T [Re: 1JZ_E46] #4492275
08/18/17 08:19 PM
08/18/17 08:19 PM
Joined: Apr 2016
Posts: 124
Chattanooga, TN
GermanAutohaus Offline OP
GermanAutohaus  Offline OP

Joined: Apr 2016
Posts: 124
Chattanooga, TN
Originally Posted By: 1JZ_E46
Any experience with the new CK-4 version?


Not yet. The UOAs I got back show a decrease in zinc and phos and a total lack of moly. Boron and viscosity went up a tad.

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