Whos running Mobil 1 0w-40?

[Z K]

Originally Posted by Gumulri

if you are in so california with hot weather. I would not recomend you.
Few weeks ago I was using m1 0-40 and it was about 90. me and friend going to somewhere also having some fun with hard driving after that oil temperture went up to 260 never seen that high before after turn off the car fan was on for 30mins. I think that is not a good sign with that oil.

I tracked with 0w40 in 105 degree F weather and the oil temps were fine. Oil temp will go up to 260 with 10w60 as well in track conditions - that is normal. That is a sign that the oil is doing its job - it is lubricating and taking heat away from the engine as the oil heats up. It is the same principle as if you held a cold glass of water in your hand. Your hand cools down but the ice water starts melting as it is absorbing your heat.

[sworks335i]

Originally Posted by Gumulri

but try penzoil 5w-40 euro
much smoother and quieter than 10w60

When do you expect to be changing your oil and getting an analysis done on the Pennzoil 5W-40 Euro?

Been running Pennzoil in all my recent vehicles with good results and while the S65 is very different than anything I have ever owned I would be interested in the results.

Still trying to make a decision on using Pennzoil for our X5 50i as it has just exited warranty as well.

[Gumulri]

Originally Posted by Z K

I tracked with 0w40 in 105 degree F weather and the oil temps were fine. Oil temp will go up to 260 with 10w60 as well in track conditions - that is normal. That is a sign that the oil is doing its job - it is lubricating and taking heat away from the engine as the oil heats up. It is the same principle as if you held a cold glass of water in your hand. Your hand cools down but the ice water starts melting as it is absorbing your heat.

I see

[bigjae1976]

Just changed in M1. I used 9qts with a filter change. I put in 8 and it was asking for one more. I was so super scared that I'd overfill and embark on the epic fill, drain, fill, drain battle with the e-dipstick again.

I added a 1/2qt at a time and the level is right at the top. 8.75qts next time.

[aussiem3]

Originally Posted by bigjae1976

Just changed in M1. I used 9qts with a filter change. I put in 8 and it was asking for one more. I was so super scared that I'd overfill and embark on the epic fill, drain, fill, drain battle with the e-dipstick again.

I added a 1/2qt at a time and the level is right at the top. 8.75qts next time.

Finally made the brave move to M1 0w-40 after 51k on TWS 10w-60. I put 9 litres which I normally do with filter change and total drain - front and back. The M1 warms up a lot quicker than TWS and felt bit smoother. Will see what it feels like tomorrow morning. Waiting to send the oil sample to BL.

[kaede]

An update for my new-to-me E90 M3. I just purchased the vehicle this past December and one of the things I did immediately was oil change. I decided to use M1 0W40 because i have read many good things here on this thread and it is still pretty cold where I live. So far, I have put around 5,000km on the oil and I had to top up approximately 1L already.

Yesterday, I took the car out for a mini road trip (approximately 400km) and these are my observations. The oil level dropped significantly during the trip, went from full to one level above minimum. The oil never went above 100c (212f), but after some highway cruising the engine feels wearker (noticably less powerful, less responsive...). I have had this happen before on my tuned 335i on the same oil M1 0W40. I guess due to higher temp in the 335i (runs around 250-275f), the power loss is MUCH MORE SIGNIFICANTLY noticable when compared to the M3. On the 335i, I never had that problem when I am running Motul 300V 5W40 at similar temperatures and distances driven...

As for the oil level after my mini road trip, it went back up afterwards to 1 level below maximum, so i won't be topping up just yet and will keep an eye on it. But strange... maybe its not the oil? but my oil level sensor acting up?

I seldomly go for long drives, and I do agree M1 0W40 is a fantastic oil for normal driving, day to day. Warmed up faster and engine tiny bit smoother (compared to the original oil that was in the M3 when i bought it, i assume it is TWS 10W60 since it was from stealership). But the performance of the oil and the adverse feeling on the drive itself (according to my feel) after some extended distance driving is troublesome and quite a bother. Maybe the M1 0W40 isn't made for sustained high temperature driving/performance? On the track it will perform ok since most people will take breaks and allow the car to cool back down between runs. I will be changing the oil soon to TWS 10W60 for the summer months for another longer road trip (1200km back and forth), or maybe a mix of a tiny bit of M1 0W40 with it (since it doesn't get too hot here in Canada where i live). Understand some people say DON'T mix the two, but then there are also others that have had fantastic results with the TWS M1 cocktail.

Anyone experienced this "weak" feeling on the engine on M1 0W40 during some longer distance driving?

[SenorFunkyPants]

I would have thought that the "weak" feeling is a function of the long road trip...ie the ECU adapting to the extended time spend at part throttle and adjusting for better economy rather than performance. If you made several WOT high rpm runs you should expect the performance to return.
If the oil was causing a performance loss (by increased friction?) then wouldn't that show as increased oil temp?

[aussiem3]

Originally Posted by SenorFunkyPants

I would have thought that the "weak" feeling is a function of the long road trip...ie the ECU adapting to the extended time spend at part throttle and adjusting for better economy rather than performance. If you made several WOT high rpm runs you should expect the performance to return.
If the oil was causing a performance loss (by increased friction?) then wouldn't that show as increased oil temp?

Very good point. I have reset the fuel consumption, and I will monitor over time. One thing I've noticed is the car drives normally like it would when the oil has reached optimum temp, on start up. No hesitation of sluggishness. Feels a bit smoother.

[kaede]

Originally Posted by SenorFunkyPants

I would have thought that the "weak" feeling is a function of the long road trip...ie the ECU adapting to the extended time spend at part throttle and adjusting for better economy rather than performance. If you made several WOT high rpm runs you should expect the performance to return.
If the oil was causing a performance loss (by increased friction?) then wouldn't that show as increased oil temp?

Maybe, never thought of it that way. Funny thing is i DID make a couple WOT redlining runs when I am merging back to highway from refueling/washroom breaks etc. and yet still, always seemed "less responsive/powerful". Maybe it's just myself =/ But on the 335i it is SUPER noticable, like night and day. Once car is shut off and left for a while, the car goes back to normal.

Just to add, as mentioned, on the motul oil on my 335i, it didn't do that =( i paid extra attention to it because initially the M1 0W40 scared me. I thought something was wrong with the engine or that my oil is excessively overheating causing decreased/limiting throttle response/engine performance. Motul 300V 5W40ran a bit cooler than the M1 0W40 on the trips (but just by a tiny bit), nothing significant.

The M3 normally on the road, oil temperature is around 90c, on my trip the temperature was barely touching 100c, not a HUGE difference, but yes, there is an increase in tempertature But not excessively so, engine still running quite "cool" i'll say for averaging speeds of around 80-90mph the whole way

[aussiem3]

Could someone explain why BMW insists on 10w for the M3 or for all /// cars? I was reading the owner's manual and it says SAE 10w-60 (recommended), alternatively SAE 10w-40, 5w-50 or 10w-50.
I take 10w is the cold viscosity whilst 60, 50 etc., is at 100 Celsius. It looks like BMW is not concerned about the viscosity at 100 Celsius, but more at start up.
But on the forum, the worry is about the cold start viscosity, thus the M1 0w-40 being popular. Anyone like to shed some light on this? Also give that the majority of the wear happens at start up, is there something we don't know that BMW know, and insists on 10w?
Thanks guys!

[MrPrena]

Most likely I will be doing M1 0w-40 for my next oil change before winter.
It take me about good 40minutes of driving to reach 210f during winter.

[aussiem3]

Originally Posted by aussiem3

Could someone explain why BMW insists on 10w for the M3 or for all /// cars? I was reading the owner's manual and it says SAE 10w-60 (recommended), alternatively SAE 10w-40, 5w-50 or 10w-50.
I take 10w is the cold viscosity whilst 60, 50 etc., is at 100 Celsius. It looks like BMW is not concerned about the viscosity at 100 Celsius, but more at start up.
But on the forum, the worry is about the cold start viscosity, thus the M1 0w-40 being popular. Anyone like to shed some light on this? Also give that the majority of the wear happens at start up, is there something we don't know that BMW know, and insists on 10w?
Thanks guys!

anyone?

[kawasaki00]

Originally Posted by aussiem3

Could someone explain why BMW insists on 10w for the M3 or for all /// cars? I was reading the owner's manual and it says SAE 10w-60 (recommended), alternatively SAE 10w-40, 5w-50 or 10w-50.
I take 10w is the cold viscosity whilst 60, 50 etc., is at 100 Celsius. It looks like BMW is not concerned about the viscosity at 100 Celsius, but more at start up.
But on the forum, the worry is about the cold start viscosity, thus the M1 0w-40 being popular. Anyone like to shed some light on this? Also give that the majority of the wear happens at start up, is there something we don't know that BMW know, and insists on 10w?
Thanks guys!

I think their stance is being concerned about the at temp viscosity. Oils didnt exist in 2007 that were a 0-50 or a 0-60 that were commercially available. I still dont think a 0-60 exists. One cant have that much spread in viscosity and expect the oil to remain its intended weight. The 10wt on the cold side is just a product of the hot weight being that high. I personally dont think they were really focusing in the 10wt part.

[aussiem3]

Originally Posted by kawasaki00

I think their stance is being concerned about the at temp viscosity. Oils didnt exist in 2007 that were a 0-50 or a 0-60 that were commercially available. I still dont think a 0-60 exists. One cant have that much spread in viscosity and expect the oil to remain its intended weight. The 10wt on the cold side is just a product of the hot weight being that high. I personally dont think they were really focusing in the 10wt part.

Thanks for responding so quickly S. The M1 0w-40 stays hot for a long time compared to 10w-60, and the top temp is at least 2-3 degrees cooler too.

[kaede]

Originally Posted by MrPrena

Most likely I will be doing M1 0w-40 for my next oil change before winter.
It take me about good 40minutes of driving to reach 210f during winter.

Holy smokes, 40mins of driving till oil is fully warmed up? Not a typo right? usually even at winter here in Canada (mind you where i am don't get too cold, maybe maximum 0f) with TWS 10W60 it takes maybe around 20 mins? 40 mins seems like a LONGGGGGG time.

[Z K]

Originally Posted by kaede

Maybe, never thought of it that way. Funny thing is i DID make a couple WOT redlining runs when I am merging back to highway from refueling/washroom breaks etc. and yet still, always seemed "less responsive/powerful". Maybe it's just myself =/ But on the 335i it is SUPER noticable, like night and day. Once car is shut off and left for a while, the car goes back to normal.

Just to add, as mentioned, on the motul oil on my 335i, it didn't do that =( i paid extra attention to it because initially the M1 0W40 scared me. I thought something was wrong with the engine or that my oil is excessively overheating causing decreased/limiting throttle response/engine performance. Motul 300V 5W40ran a bit cooler than the M1 0W40 on the trips (but just by a tiny bit), nothing significant.

The M3 normally on the road, oil temperature is around 90c, on my trip the temperature was barely touching 100c, not a HUGE difference, but yes, there is an increase in tempertature But not excessively so, engine still running quite "cool" i'll say for averaging speeds of around 80-90mph the whole way

The 0w40 should feel more responsive. The engine revs faster and reacts much faster than 10w60.

I just went from 0w40 to 0w40/10w60 mix for my recent oil change and I definitely feel the difference. The car feels more sluggish and takes longer to rev than 0w40.

[MrPrena]

Originally Posted by kaede

Holy smokes, 40mins of driving till oil is fully warmed up? Not a typo right? usually even at winter here in Canada (mind you where i am don't get too cold, maybe maximum 0f) with TWS 10W60 it takes maybe around 20 mins? 40 mins seems like a LONGGGGGG time.

Maybe because I don't rev over 3k-3.5k rpm till it reaches less than 210f.
This CO winter was really cold. I don't think it was cold as Canadian winter.

During the summer is a different story. 10minutes of driving gets it upto 210f. Still way too long to reach that temp.

[kaede]

Originally Posted by Z K

The 0w40 should feel more responsive. The engine revs faster and reacts much faster than 10w60.

I just went from 0w40 to 0w40/10w60 mix for my recent oil change and I definitely feel the difference. The car feels more sluggish and takes longer to rev than 0w40.

Did you mix 50/50 M1 0W40 with TWS 10W60 with your oil change? I will be either running straight 10W60 for the summer, or a mixture of the both as well, undecided at the moment.

[Z K]

Originally Posted by kaede

Did you mix 50/50 M1 0W40 with TWS 10W60 with your oil change? I will be either running straight 10W60 for the summer, or a mixture of the both as well, undecided at the moment.

Yes, I have a 50/50 mix of 0w40 and TWS. Experimenting a bit. Another person ran the same mix before and the oil analysis looked good. I'm going to do an oil analysis on it once I'm done as well (5k mile oil change).

I've no problem with 0w40 but I'm using up my stock of TWS.

[Helmsman]

Originally Posted by MrPrena

Maybe because I don't rev over 3k-3.5k rpm till it reaches less than 210f.
This CO winter was really cold. I don't think it was cold as Canadian winter.

During the summer is a different story. 10minutes of driving gets it upto 210f. Still way too long to reach that temp.

Mine basically never comes up to mid temp as long as I drive at fair speed, but stays a good 10dC below regardless of outside temp. Start revving or standing still in a que it does end up mid point.

[e92zero]

Originally Posted by kaede

An update for my new-to-me E90 M3. I just purchased the vehicle this past December and one of the things I did immediately was oil change. I decided to use M1 0W40 because i have read many good things here on this thread and it is still pretty cold where I live. So far, I have put around 5,000km on the oil and I had to top up approximately 1L already.

Yesterday, I took the car out for a mini road trip (approximately 400km) and these are my observations. The oil level dropped significantly during the trip, went from full to one level above minimum. The oil never went above 100c (212f), but after some highway cruising the engine feels wearker (noticably less powerful, less responsive...). I have had this happen before on my tuned 335i on the same oil M1 0W40. I guess due to higher temp in the 335i (runs around 250-275f), the power loss is MUCH MORE SIGNIFICANTLY noticable when compared to the M3. On the 335i, I never had that problem when I am running Motul 300V 5W40 at similar temperatures and distances driven...

As for the oil level after my mini road trip, it went back up afterwards to 1 level below maximum, so i won't be topping up just yet and will keep an eye on it. But strange... maybe its not the oil? but my oil level sensor acting up?

I seldomly go for long drives, and I do agree M1 0W40 is a fantastic oil for normal driving, day to day. Warmed up faster and engine tiny bit smoother (compared to the original oil that was in the M3 when i bought it, i assume it is TWS 10W60 since it was from stealership). But the performance of the oil and the adverse feeling on the drive itself (according to my feel) after some extended distance driving is troublesome and quite a bother. Maybe the M1 0W40 isn't made for sustained high temperature driving/performance? On the track it will perform ok since most people will take breaks and allow the car to cool back down between runs. I will be changing the oil soon to TWS 10W60 for the summer months for another longer road trip (1200km back and forth), or maybe a mix of a tiny bit of M1 0W40 with it (since it doesn't get too hot here in Canada where i live). Understand some people say DON'T mix the two, but then there are also others that have had fantastic results with the TWS M1 cocktail.

Anyone experienced this "weak" feeling on the engine on M1 0W40 during some longer distance driving?

I did. And to answer the other poster about the ECU adapting. That's not my experience. I do not have this 'weak' feeling with the 10/60 after the long commute. It's not a 1 time thing either. I have this long commute every week year around so it's pretty easy for me to tell.

[bigjae1976]

I think I'm getting better gas mileage. Some of it probably due to the warmer weather.