Best oil for Tuned BMW M8 (S63TU4)

[twinturboz]

Looking for the best bang for your buck 5w40 oil for my tuned ~900HP BMW M8 (4.4L V8TT S63TU4) on 93 and E40 gas. Car is my daily driver in the warmer months, with mostly city driving, short commutes, and pulls to redline. May see the drag strip 1-2 times a year. I'll be changing the oil every year or 3-4K miles, whichever comes first. From what I've gathered, high HTHS, high ZDDP, and low calcium are what I should be looking for. Currently using M1 FS 0w40. Now that I am pushing more power on E40, I would like to use a better oil that is suited for my situation without overkill. I do have some LM MoS2 that I would like to use.

Redline Euro 5w40 - Seems like this is the best, however very pricey and may be overkill with my short OCI? I don't mind spending extra for this oil if the performance supports the cost over the bottom two.

Pennzoil Platinum Euro 5w40 or Motul 8100 X-Cess Gen2 5w40 - Motul gen2 seems to be on par with Pennzoil but higher calcium, would PPE be the better choice?

Narrowed the list down to these 3. Correct me if I am wrong on any of this and would love to hear other suggestions.

 

[edyvw]

@twinturboz

Looking for the best bang for your buck 5w40 oil for my tuned ~900HP BMW M8 (4.4L V8TT S63TU4) on 93 and E40 gas. Car is my daily driver in the warmer months, with mostly city driving, short commutes, and pulls to redline. May see the drag strip 1-2 times a year. I'll be changing the oil every year or 3-4K miles, whichever comes first. From what I've gathered, high HTHS, high ZDDP, and low calcium are what I should be looking for. Currently using M1 FS 0w40. Now that I am pushing more power on E40, I would like to use a better oil that is suited for my situation without overkill. I do have some LM MoS2 that I would like to use.

Low calcium is for small turbo engines prone to LSPI. S63 is none of that. Now, if tuner did piss poor job, you might have an issue, but I highly doubt. So, forget calcium. Also, high ZDDP mitigates LSPI.

Redline Euro 5w40 - Seems like this is the best, however very pricey and may be overkill with my short OCI? I don't mind spending extra for this oil if the performance supports the cost over the bottom two.

It is an ester based oil. You don't want esters with E40. Forget about it.

Pennzoil Platinum Euro 5w40 or Motul 8100 X-Cess Gen2 5w40 - Motul gen2 seems to be on par with Pennzoil but higher calcium, would PPE be the better choice?

Both of those oils are same class as Mobil1 0W40. Because you are running alcohol, you might see some fuel dilution. It would be best to do UOA to see where you at when it comes to KV100, whether there was some shearing due to fuel.
Mobil1 0W40 is fine choice, you won't do any upgrade if you go PPE or Motul. If you want boutique go HPL BAS 5W40.
https://www.advlubrication.com/coll...cts/bad-ass-racing-oil?variant=31358989697047

 

[FranklinJL]

First off Badass Car....I run lots of tuned M8s and, they cook for sure. Guys in my club run alot of Redline, 300v, and Ravenol.....Mobil 1 0w40 doesnt seem to do well UOA wise with these boosted engines, thins out to much.........I would use the Redline 5w40........yep its expensive, but so is that engine........run it, do a UOA and see what you get....

 

[CleverUserName]

Biosyn HD SHP 15w40
HTHS is 5.2

 

[edyvw]

First off Badass Car....I run lots of tuned M8s and, they cook for sure. Guys in my club run alot of Redline, 300v, and Ravenol.....Mobil 1 0w40 doesnt seem to do well UOA wise with these boosted engines, thins out to much.........I would use the Redline 5w40........yep its expensive, but so is that engine........run it, do a UOA and see what you get....

Alcohol and ester don’t mix.
HPL BAS 5W40 if going that expensive route.
300V only if track. But also has esters.

 

[twinturboz]

@twinturboz


Low calcium is for small turbo engines prone to LSPI. S63 is none of that. Now, if tuner did piss poor job, you might have an issue, but I highly doubt. So, forget calcium. Also, high ZDDP mitigates LSPI.

It is an ester based oil. You don't want esters with E40. Forget about it.


Both of those oils are same class as Mobil1 0W40. Because you are running alcohol, you might see some fuel dilution. It would be best to do UOA to see where you at when it comes to KV100, whether there was some shearing due to fuel.
Mobil1 0W40 is fine choice, you won't do any upgrade if you go PPE or Motul. If you want boutique go HPL BAS 5W40.
https://www.advlubrication.com/coll...cts/bad-ass-racing-oil?variant=31358989697047

HTHS with PPE or Motul (~3.8) is a little higher than M1 FS (3.5?) and doesn't thin out like M1 does (I don't think). I'll look more into HPL BAS, seems like it'd be best to get in the 5gallon jug. Free oil changes through FCP with Xcess Gen2 does sound attractive.

First off Badass Car....I run lots of tuned M8s and, they cook for sure. Guys in my club run alot of Redline, 300v, and Ravenol.....Mobil 1 0w40 doesnt seem to do well UOA wise with these boosted engines, thins out to much.........I would use the Redline 5w40........yep its expensive, but so is that engine........run it, do a UOA and see what you get....

Thank you! Starting to lean more towards Redline too but what edy mentioned about being ester-based worries me. However, I'm reading it should be fine with E30.

 

[edyvw]

HTHS with PPE or Motul (~3.8) is a little higher than M1 FS (3.5?) and doesn't thin out like M1 does (I don't think). I'll look more into HPL BAS, seems like it'd be best to get in the 5gallon jug. Free oil changes through FCP with Xcess Gen2 does sound attractive.



Thank you! Starting to lean more towards Redline too but what edy mentioned about being ester-based worries me. However, I'm reading it should be fine with E30.

PPE: 3.8-3.9cP
Motul: 3.8cP
Mobil1: 3.7-3.8cP.
You won't make a mistake per se with any of the oils you mentioned. What I would do is send used oil for analysis when you dump current one (I assume M1 is inside?) and see where everything is. Then move from there. Your car is heavily tuned; that is a lot of power. So common rules don't apply.

 

[twinturboz]

PPE: 3.8-3.9cP
Motul: 3.8cP
Mobil1: 3.7-3.8cP.
You won't make a mistake per se with any of the oils you mentioned. What I would do is send used oil for analysis when you dump current one (I assume M1 is inside?) and see where everything is. Then move from there. Your car is heavily tuned; that is a lot of power. So common rules don't apply.

Definitely going to send the M1 FS to test and will post results back here. HPL BAS is looking like the best of the best, any ideas of what typical OCI's are for this oil?

 

[ka9mnx]

You are already using the right oil.

 

[edyvw]

Definitely going to send the M1 FS to test and will post results back here. HPL BAS is looking like the best of the best, any ideas of what typical OCI's are for this oil?

It is Mid-SAPS oil. I would say 5k would be maximum. It is racing oil, but absolutely streetable. If you want to be sure on OCI, go with HPL Euro 5W40.
I would personally put M1 0W40 again and wait for the UOA results. Based on that, you can make the decision on which oil to go with, and you could kind of gauge OCI too.
Also, try sending a message to Dave @High Performance Lubricants and ask for advice. When I discussed with him BAS, he recommended that for M3 F80 running E50.

 

[chris719]

For the inexpensive route: M1 FS 0W-40 with 2 qts M1 X2 5W-50 (same additive package, mix was recommended by XOM engineer).

 

[Titan]

Looking for the best bang for your buck 5w40 oil for my tuned ~900HP BMW M8 (4.4L V8TT S63TU4) on 93 and E40 gas.

I would like to use a better oil that is suited for my situation without overkill.

Redline Euro 5w40 - Seems like this is the best, however very pricey and may be overkill with my short OCI? I don't mind spending extra for this oil if the performance supports the cost...

Surely you jest. You have a special engine that is further tuned, and you wonder if there may be "overkill" or "I don't mind spending extra...if the performance supports the cost"? If it were mine, I'd be using the best darn oil I could get into it...price would not be an issue. Whether an oil change cost 50 or 500, in the big scheme of things, that 450.00 difference would be a rounding error in your book-keeping on the cost of this car/engine. HPL oil recommended personally by Dave at HPL is what I'd use. It's not cheap, but its also not outrageously expensive.

 

[tired]

Surely you jest. You have a special engine that is further tuned, and you wonder if there may be "overkill" or "I don't mind spending extra...if the performance supports the cost"? If it were mine, I'd be using the best darn oil I could get into it...price would not be an issue. Whether an oil change cost 50 or 500, in the big scheme of things, that 450.00 difference would be a rounding error in your book-keeping on the cost of this car/engine. HPL oil recommended personally by Dave at HPL is what I'd use. It's not cheap, but its also not outrageously expensive.

Yeah this is the right answer. OP should do a calculation of what the marginal cost is from M1 FS to HPL and what percentage that is of total cost of ownership. I'm guessing <1%.

 

[facility1]

Royal Purple HPS 10w-40 HTHS,4.4 , or Torco SR-5 ,5w-40 would be fine choices.

 

[Emi]

I use Ravenol 5W40 VST in my 800pk S63 engine.

 

[TiGeo]

HPL.

 

[twinturboz]

Went with HPL BAS 5w40! For discussion, is there a middle ground oil between the high end HPL/Redline and Motul Xcess/PPE/M1 FS?

 

[edyvw]

Went with HPL BAS 5w40! For discussion, is there a middle ground oil between the high end HPL/Redline and Motul Xcess/PPE/M1 FS?

No. Many people track cars with M1 0W40 (per Mobil1 that is their entry track oil), PPE, etc. including me. I ran M1 0W40 to 300f on track.
Those are top notch street oils that will do good on occasional track day.
Motul Power 5W40 is like in between X-Cess and 300V. But, honestly not sure there is a point.
If you want to do bit longer OCI, go HPL 5W40 Euro. It will have additives designed more for a street run. But from performance stand point, HPL BAS or Motul 300V.

 

[TiGeo]

No. Many people track cars with M1 0W40 (per Mobil1 that is their entry track oil), PPE, etc. including me. I ran M1 0W40 to 300f on track.
Those are top notch street oils that will do good on occasional track day.
Motul Power 5W40 is like in between X-Cess and 300V. But, honestly not sure there is a point.
If you want to do bit longer OCI, go HPL 5W40 Euro. It will have additives designed more for a street run. But from performance stand point, HPL BAS or Motul 300V.

Which is BAS?

 

[edyvw]

Which is BAS?

https://www.advlubrication.com/collections/automotive-lubricants/products/bad-ass-racing-oil