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#2082572 - 11/20/10 05:55 PM 2011 Audi S4 with 3.0L TSI Supercharged
Sunstealer Offline


Registered: 09/19/09
Posts: 63
Loc: Virginia
I just placed an order for an Audi S4 with the 3.0 Liter direct injected engine with factory supercharger. Audi pays for the first oil change at 5000 miles, and then recommends one every 10,000 miles afterward. I will be changing it myself after the first free one, probably at 5000 miles again, and sending in an oil sample.

It looks like it specs VW 502.00 in 5W-40 (preferred), 5W-30, or 0W-40. I think the Audi dealers use Castrol SLX Professional, which isn't available to individuals as far as I can tell, and does not seem to test very well. My preference would be the Pennzoil Platinum European Formula (if I can find it reasonably priced) or Mobil 0W-40. I would like to use German Castrol, but it doesn't meet the viscosity requirements. I know technically it would probably be fine, but I don't want to have to worry about my warranty.

Any other thoughts or suggestions?
_________________________
2011 Audi S4 - M1 0W-40
2009 Infiniti G37 Coupe PU 5W-30
1988 Chevrolet K1500 VML 10W-30
1966 Ford Mustang VML 10W-30

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#2082578 - 11/20/10 06:01 PM Re: 2011 Audi S4 with 3.0L TSI Supercharged [Re: Sunstealer]
Sunstealer Offline


Registered: 09/19/09
Posts: 63
Loc: Virginia
Looks like Castrol Syntec 5W-40 is also a choice that is easily available.
_________________________
2011 Audi S4 - M1 0W-40
2009 Infiniti G37 Coupe PU 5W-30
1988 Chevrolet K1500 VML 10W-30
1966 Ford Mustang VML 10W-30

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#2082579 - 11/20/10 06:05 PM Re: 2011 Audi S4 with 3.0L TSI Supercharged [Re: Sunstealer]
nuskool Offline


Registered: 03/20/07
Posts: 156
Loc: Wisconsin
I run Amsoil euro 5-40 in my VR6 Jetta. I go about 13k on an oil change (10k recommended) and I have no issues. I know I'll likely get flogged for going that long. Oh well. It's got 124k on it right now.

I haven't done an oil sample yet. But it always comes out looking clean, dark, but clean.

I also run about 8 autoX sessions each season too. Beyond that it's mostly hwy. So under 100 miles of that oil change are "severe".

Perhaps I'll do a sample this time.

Enjoy the S4!


Edited by nuskool (11/20/10 06:06 PM)

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#2082580 - 11/20/10 06:06 PM Re: 2011 Audi S4 with 3.0L TSI Supercharged [Re: Sunstealer]
Doug Hillary Offline


Registered: 05/30/03
Posts: 4859
Loc: Airlie Beach Australia
Hi,
Sunstealer - FWIW the SLX Professional range is excellent and has been formulated for the VW Group - it is at least the equal of GC. Use the viscosity mandated for the ambient range you expect to encounter

As for OCIs - I recommend following the Warranty requirements to the letter! When in Germany this year I was given some data from very reliable sources that suggests that shortening the OCIs and/or using non-Approved lubricants may affect intake deposits in a negative way
_________________________
Regards
Doug

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#2082596 - 11/20/10 06:33 PM Re: 2011 Audi S4 with 3.0L TSI Supercharged [Re: Doug Hillary]
nuskool Offline


Registered: 03/20/07
Posts: 156
Loc: Wisconsin
Originally Posted By: Doug Hillary
Hi,
Sunstealer - FWIW the SLX Professional range is excellent and has been formulated for the VW Group - it is at least the equal of GC. Use the viscosity mandated for the ambient range you expect to encounter

As for OCIs - I recommend following the Warranty requirements to the letter! When in Germany this year I was given some data from very reliable sources that suggests that shortening the OCIs and/or using non-Approved lubricants may affect intake deposits in a negative way
First I'd like to say that I know you're right about VW/Audi warranty and how much of a stickler they can be. There is however quite a large list of approved oils for the 502.00 spec. Amsoil is not one of them only because they don't care to pay VW the big bucks to get it tested. It does however meet the specs. There are/were a few examples that I know of that Amsoil had no recommendation for. They didn't make an oil to the right spec, so they didn't recommend one. They are IMO very conservative when it comes to recommending oil for a particular application. In the case of Amsoil euro 5-40 they DO NOT recommend an extended drain interval. Again, it is a conservative company.

But now I want to ask how intake deposits can be affected by changing the oil too soon?

I've also read a post regarding VW/Audi warranty from a certified VW mechanic that said he has replaced engines when he knew and the customer admitted they used the wrong oil and VW still paid for it under warranty.

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#2082604 - 11/20/10 06:50 PM Re: 2011 Audi S4 with 3.0L TSI Supercharged [Re: Sunstealer]
Curtis Newton Offline


Registered: 01/18/03
Posts: 654
Loc: Colorado
With Audi recommending a 10,000 mile oil change, for peace of mind, I use an oil extractor and change the oil at the mid-way point.

I wish Pennzoil Platinum European formula was sold over the counter, but ....
_________________________
2012 Jeep Grand Cherokee V6 AWD Limited, Pennzoil 5W30, 30K
2004 Lexus RX330 AWD, Pennzoil HM 5W30, 190K
1977 MG-B, GTX HM 10W40, 40K

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#2082605 - 11/20/10 06:50 PM Re: 2011 Audi S4 with 3.0L TSI Supercharged [Re: Sunstealer]
Doug Hillary Offline


Registered: 05/30/03
Posts: 4859
Loc: Airlie Beach Australia
Hi,
nuskool - You asked me this;
"But now I want to ask how intake deposits can be affected by changing the oil too soon?"

I cannot go any further on this matter except to say that this is one factor being researched by all of the parties concerned.

My advice FWIW? - stick to what the engines manufacturer recommends!
_________________________
Regards
Doug

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#2082625 - 11/20/10 07:24 PM Re: 2011 Audi S4 with 3.0L TSI Supercharged [Re: Doug Hillary]
BigJohn Offline


Registered: 06/21/08
Posts: 787
Loc: Colorado
Originally Posted By: Doug Hillary
Hi,
Sunstealer - FWIW the SLX Professional range is excellent and has been formulated for the VW Group - it is at least the equal of GC. Use the viscosity mandated for the ambient range you expect to encounter



Doug, I respect you tons, but you are going to have to explain this statement to me a bit better.....

We all know that the TBN of the SLX oils is in the 5-6 range. For a gasser, how can this support 10k OCI's?

GC's TBN is in the high 11's.

I use SLX in my VW TDI and think it is completely awesome for a diesel, but have my serious doubts about using it in my VW Passat 2.0T where petrol dilution is a big issue. GC is my oil of choice for the Passat...and when I roll it into the dealer, it is getting Syntec 5w40, a very nice second choice.
_________________________
'14 Ram 1500 EcoDiesel 4x4 QuadCab, FF
'10 Mercedes MLK350, M1 0w40, 0w20 Mix
'04 KTM 950 ADV S, Royal Monarch 15w50
'04 BMW R1150RT, Royal Monarch 10w40

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#2082661 - 11/20/10 07:53 PM Re: 2011 Audi S4 with 3.0L TSI Supercharged [Re: BigJohn]
Sunstealer Offline


Registered: 09/19/09
Posts: 63
Loc: Virginia
The low TBN was my concern with the SLX as well, for 10K changes at least.

I like Amsoil and used it in my diesel truck for years with a bypass filter and 25K changes. I just hate that they don't pay up for the manufacturer's ratings. I think they would sell enough extra to pay for it in many cases.
_________________________
2011 Audi S4 - M1 0W-40
2009 Infiniti G37 Coupe PU 5W-30
1988 Chevrolet K1500 VML 10W-30
1966 Ford Mustang VML 10W-30

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#2082720 - 11/20/10 08:49 PM Re: 2011 Audi S4 with 3.0L TSI Supercharged [Re: Sunstealer]
Doug Hillary Offline


Registered: 05/30/03
Posts: 4859
Loc: Airlie Beach Australia
Hi,
BigJohn - As has been stated here before - by others more competent than I - the TBN of the latest lubricants reflects the changing technologies and the chemistry now at play

In general terms (in the past) as the TBN increases so does the SA level - this was due in large to the oil's additive composition and the chemistry used. High TBNs were largely caused/needed by/due to the fuel compositions of the time - their high sulphur content! Generally TBN levels above about 10 caused SA levels above around 1. SA at undesirable levels is a cause of accellerated wear in engines - especially petrol engines

In effect then the lowest sensible SA levels were attained by low TBN lubricants. Today we are at the cusp of new additives that enable low TBNs and all of the advantages flowing from this

The rate of TBN depletion is not linear (IME with diesel engines at least) and I always used the TBN/TAN "see-saw" to confirm a real TBN in my UOAs. I believe that the latest low TBN lubricants will have a very good rate of TBN retention

It should be remembered that the Euro emission controls have been systematically upgraded over a very long time and they are very experienced in marrying up their technologies. ACEA has seen to this - unlike perhaps the API. Some controls commenced in the 1970s

That said, the Professional SLX lubricant range is a product of Castrol and the VW Groups research and development programme. This has been going on for around 20 years now. Having spoken with some of their Senior Engineers in Germany I have no doubt that they are on the right tram!

High levels of fuel dilution in DI petrol engines first appeared in the late 1950s with the mechanically injected 300SL Gullwing. This was primarily caused by "conservative" driving styles by the purchaser. These cars later had port injection

Very high levels of fuel dilution (at levels BITOG people would disbelieve) have been encountered in field testing but no serious diminution of engine life has been detected

Of course if this vehicle (Thread) were mine I would be undertaking a sensible UOA programme as I usually do to ensure that I know what was going on for me - in my application

While other lubricants may do the job to a greater or lessor degree I would default to the Approved and Listed lubricant choice!
_________________________
Regards
Doug

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#2082737 - 11/20/10 09:03 PM Re: 2011 Audi S4 with 3.0L TSI Supercharged [Re: Sunstealer]
Ram01 Offline


Registered: 10/13/10
Posts: 616
Loc: New York Queens
castrol syntec 5w40 5k oci is all thats needed

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#2082746 - 11/20/10 09:07 PM Re: 2011 Audi S4 with 3.0L TSI Supercharged [Re: Ram01]
Doug Hillary Offline


Registered: 05/30/03
Posts: 4859
Loc: Airlie Beach Australia
Hi,
Ram01 - Ok thanks, now we know!
_________________________
Regards
Doug

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#2082790 - 11/20/10 10:14 PM Re: 2011 Audi S4 with 3.0L TSI Supercharged [Re: Doug Hillary]
chubbs1 Offline


Registered: 06/09/10
Posts: 4574
Loc: Merritt Island FL, USA
Doug, I have read your posts and learned a lot about these topics, one thing I wondered, with fuel dilution being prone to those engines as well as the US' [censored] gasoline; do these new low TBN oils hold up as well Stateside as opposed to Europe where a lot of the testing is done?
_________________________
'12 Charger SXT
QSUD 5w30 OEM filter

'12 Charger SXT
Edge FST EP 5w30 OEM (Mine;)

'11 Hyundai Sonata GLS
QSUD 5w20 OEM Filter


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#2082805 - 11/20/10 10:35 PM Re: 2011 Audi S4 with 3.0L TSI Supercharged [Re: Sunstealer]
Audi Junkie Offline


Registered: 11/03/02
Posts: 11247
Loc: PA
_________________________
2008 Opel Astra 1.8 VVT 5M
2010 VW Tiguan 2.0 TSI 6M
(APR Powered)

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#2082823 - 11/20/10 10:54 PM Re: 2011 Audi S4 with 3.0L TSI Supercharged [Re: Sunstealer]
CBR.worm Offline


Registered: 05/10/05
Posts: 1428
Loc: Jupiter, Fl
I would use what Audi uses. Our Audi dealer uses M1 0w40 for force fed engines.

I am comfortable with that. I never ran the full 10k though. Audi changed it under their program about every 6-7k. Told us we would get 5 changes for free and could use them at any interval 10k or less.


Edited by CBR.worm (11/20/10 10:57 PM)
_________________________
'06 Infiniti G35 Sedan 6MT - 145k

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