Why do BMW & Aston Martin take 10W-60 Motor Oil ?

Why do BMW & Aston Martin take 10W-60 Motor Oil ?

My opinion is that BMW and Aston Martin use 10W-60 motor oil because they look at track performance.
How often are BMWs & Aston Martin's on a racetrack?
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Furthermore BMW motor oil is Castrol and they are a synthetic blend from my knowledge. By having a synthetic blend that has refined oil it is less stable and lends itself to shearing. It seems like BMW overcompensates with a thicker oil to increase oil pressure on the track.

It should be interesting to see if they do a technical bulletin update like General Motors did with the C7 Stingray.

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Industry-standard 3rd party testing results:

AMSOIL Signature Series 5W-30 Synthetic Motor Oil protects against harmful deposits on turbochargers 4X better than Mobil1® Extended Performance and 3.6X better than Royal Purple® in industry-standard testing*.

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AMSOIL Signature Series is fortified with a heavy treatment of detergent additive and it delivers 30% more acid neutralizing power1 than Mobil 1, and 36% more than Royal Purple, helping engines to stay cleaner, longer.-

[Syntheticoilprotection]

Professional YouLubher:
Eben Rockmaker Executive Direct Jobber AMSOIL Specialist (Dealer#: 5331179)
Mobile: [phone]

If your vehicle is not on the lookup guide this is AMSOIL Tech Support 715-399-8324



Friend me on and tag me because I like to see great results from my YouTube Community:



Order AMSOIL By Phone:

Be sure to give them my number so I get credit Eben #5331179 and tell them you would like to be a Preferred Customer.

1. Call 1800-956-5695
2. Ask for your own preferred customer membership because you will get 25% off, free shipping over $100, and your informative quarterly AMSOIL Magazine. It costs $10 for 6 months or $20 for the year which is well worth it.
3. Give them my dealer number so I get credit Eben 5331179
4. Orders over $100 will be shipped free.

Industry-standard 3rd party testing results:

AMSOIL Signature Series 5W-30 Synthetic Motor Oil protects against harmful deposits on turbochargers 4X better than Mobil1® Extended Performance and 3.6X better than Royal Purple® in industry-standard testing*.

Amsoil gets better gas mileage -

AMSOIL Signature Series is fortified with a heavy treatment of detergent additive and it delivers 30% more acid neutralizing power1 than Mobil 1, and 36% more than Royal Purple, helping engines to stay cleaner, longer.-

[brandonbentley]

Oh and btw car companies tend to run ultrathin oil for fuel mileage numbers, not engine protection. This is not conjecture, the guy at a Porsche dealership told me this.

[timcheou]

What he says is partially true, but keep in mind all engines are built different, i wouldnt use 0w 40 on m3 or martin, m3 v8s have a weak low end torque, its needs to be reved and thrashed to get power like honda s2000, 10w 60 are needed for long hrs high thrash condition, people get issue on 10w 60 becauee they dont warm up the engine up to 100c. With 10w 60 you must get oil temp to 100c (why do you think oil gauge are for in a m3 lol) before reving above 3000 rpem period..

[suchin]

I've been building Honda, Bmw and Toyota performance engines for about 20 years. Mainly track use but is dependant on customer. This advice is absolutely spot on. Simple as that. Good video, great information for people. Thanks.

[timcheou]

Its simple m3 is a high reving engine, 0w40 is not going to take the temperature, it needs.10w 60.because the engine is built to rev, if u drive m3 for 10 mins max thrash power actually increase under heavy load, 0w 40 will break down, loose.performance, 10w 60 runs the best and protect the engine the best.

[georgexanthos]

In high revving bmw m engines, you let the engine warmup properly before redlining it, you change the rod bearings at 90-120.000 miles and the engine is bulletproof. You can't compare an american v8 engine with bmw v10, or s65 v8, or s54 inline 6. The mean piston speeds in these high tech special bmw engines are very high, in contrast with the american ones, so the lubrication needs are different. That's why bmw engineers recommend 10w60. After all, they designed the product, they know it's lubrication needs.

[jojonono]

A huge part of the equation, going back about 8-10 years, is when they moved the catalytic converters under the hood, directly connected to the exhaust manifolds. Most people have never stepped out of their car while driving 70+ MPH and looked at the cat converters. So FYI, they glow orange hot. That's a huge amount of heat slamming into the faces of the engine block, oil pan, tranny pan, and the usual engine seals. In addition, Turbochargers do the same thing at speed. The faster you drive, the brighter orange they get and that heat is also under the hood, not under the car. I've seen Turbo Diesels come off the Interstate with glowing Turbochargers and the main issue is hose composition, on inline six cylinder diesels. Old rubber hose was prone to leaks near the turbocharger so silicone was a good replacement. Similar reason why engine seals have mostly changed to silicone rubber compositions. You can only do so much with engine oil coolers and engine temperatures without building a million $$ race car. Best solution is to use a motor oil that can handle the heat and abuse. Little Suzuki Muliticab vehicles with a 3-cylinder turbocharged 660cc engine uses 20W50 in the Philippines and other hot climates where you will never see a day below 75F. A "0W oil is only for engine exposed to temperatures consistently below 0F. The 5W and 10W motor oils filled the bill for billions and billions of driven miles world wide for more than half a century so taking into account the CAFE requirement gun to the heads of car manufacturers, we'd all stilll be using the 5W and 10W motor oils year round. My 1988 Cadillac De Ville had two tranny coolers, an oil cooler, and a power steering fluid cooler. Go figure out what Cadillac knows and other manufacturers ignore.

[rowen]

The rule here is dont drive your race car in the winter unless you like your bearings in the oil pan. Racing oil is for high temperature protection. Winter oil is for cold weather protection. Dual purpose oil is like all season tires. Acceptable for summer and winter but not great.

[Nickolidas]

I'm a Bmw tech, the most reliable engines we have a the M cars 10w60. I've seen 500+km on a S54...

[aam]

1996 Accord, F22B1 engine, I use 10w60 for track/race days and then go back to my normal 0w40, thiker oil means more protection when driving hard!

[revokdaryl]

I have a 1994 BMW 530i with the rare 3 litre V8. I've been using Liqui Moly 10w60 oil despite it not being an M powered engine. I am also driving in Canada in the winter months with this oil at temperatures dipping down to -15 degrees Celsius.

[StereoSoundAgent]

i will never run anything other than 10w60 in M3 for the rest of my life. seems like certain damage at 8k+ RPMS on hot summer days

[timcheou]

Always use 10w 60 on m3 as it has low torque under low rpm, c63 use thinner oil because the torque comes sooner lesser reving is.needed, if u put 0w 40 in m3 v8, u are killing the engine especially if u do street dragging or racing period.

[vasilescuadr]

The point is that most of people make a huge mistake by confusing the Engler viscosity with dynamic viscosity at different temperatures. We have the same notation of oils since 1920 probably, but totally other oils. Since most of oil are now synthetic, the ability of the oil to maintain the properties on a certain temperature range is realised by adding additives that inhibit the temperature instability, oxidation, carbon deposits and so on.
Dynamic viscosity  is a measure of internal resistance. Dynamic viscosity is the tangential force per unit area required to move one horizontal plane with respect to an other plane - at an unit velocity - when maintaining an unit distance apart in the fluid

[Poncho_AWD_EM]

I run rotella t6 synthetic 5w-40 . Yes diesel oil on all my builds i currently have a 900awhp civic and a 900whp bmw m4 its all up to your bearings clearances on what oil thickness to run. Been through alot of oils and this oil has performed the best.

[GilBatesLovesyou]

The highest mileage motor I know in real life was my father's Ford Vulcan V6 Freestar van. 450K, 3-4K oil changes with Rotella conventional 15w40 diesel oil. One thing was he always made sure to heat it up adequately (5 minutes idling at least to warm up) and park it in a garage in winter. It did eventually develop a rear main seal leak at about 425k, but he never had to go into the block or even the head at all, he only ever replaced a cam and crank sensor on that engine. So thick oil definitely seems to work extremely well if you're diligent like that.


Euro cars in general though seem designed with different, usually looser, tolerances. Also surprisingly a lot of people in Europe tend to run 10w40 in a lot of stuff still, that would be 5W20 engines in USA (Ford Mondeos come to mind.) I had a 94 Volkswagen Jetta and now have a 94 Nissan Sentra. The Jetta came with 5w30 and the guy who owned it before me had oil pressure light issues after continuous long highway drives. I swapped it with 15w40 diesel, and I actually surprisingly gained maybe 1mpg gas mileage (maybe gained a little compression) and the engine still seemed "loose" and revved freely. I went to 5w40 diesel oil in winter, too, and I felt like performance was the same, no "looser" feeling. With my Sentra I put a cheapo dino 10w40 in, as I had it lying around to just have fresh oil, and it ran OK, but definitely ran significantly smoother with 5W30 I put in after, and both engines were the same age and mileage (246K on the Jetta, 262K on the Sentra.) I think it's just the tolerances and metallurgy are different. So anyway, I think you should run the thickest oil that still feels best, and this will vary from car to car, imo, based on the engine clearances and metallurgy and how worn the engine is, and your weather conditions. Before CAFE and the associated compromises, automakers used to put a table of viscoities you could use based on temperatures in the owner's manual or under the hood.


For the newer BMW engines, I think the V10s you're referring to, one issue is their bearing tolerances are very very tight, basically too tight for a street driven car, and this leads to their engine failures.

[Jortsa]

Thanks for the vid and btw did i hear BOV sound AT 3:28?

[andronikosandronikou]

Very good video.
So i have oil problems with my e39 bmw, is 528i 2.8 double vanos, i leave in hot weather country it never gets under 0 degrees celsious the winter but it gets over 40 degrees celsious the summer is the original bmw m oil 10w60 ok for me?
I mean is not an m3 or m5 is it ok? Any oppinions and help is welcome.
Merry Christmas 🎅

[brandonbentley]

I run 5w50 in my Porsche that naturally is a hotter high revving engine. The first number is how quickly the oil flows, the second number is how the oil actually sticks together. Keep this in mind, engine viscosity and weight are two separate things.

[CTSRE]

Hi thank you for your video. I currently live in Cyprus which is Summer almost 9/12 months of the year with the degrees going around 25c in authumn/apring to 45c in peak summer period. I own an Audi TTRS 8j 2013 model(5 cylinder cepb engine) is it suitable to use 10w60 ????