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Old 04-29-2014, 11:36 AM   #1
Pete7874 OP
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No synthetic oil until after 6K miles?

Yeah, yeah... another oil thread.

I spoke to one dealer's service advisor recently who was horrified that I'd want to run synthetic oil in my bike before reaching 6K miles.

Did he not get the memo? Per the owner's manual, it calls for 15w-50 oil. I'm not actually aware of any mineral 15w-50 oils, at least not in the US. Personally, I'm not afraid of using syn at first oil change. But just found his reaction a bit odd. Have any of you come across similar stance from your bmw service departments? I'm talking about bikes made in the last couple of years, not older bikes.
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Old 04-29-2014, 11:49 AM   #2
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My BMW dealer said no synthetic oil till after 20,000 km.

Said to use basic castrol 10w40 mineral oil and change every 5 k.

You can buy a 15-50 semi synthetic from motul, or you can just use 2 10w40 and 1 20w50 and you will have a similar 15-50 weight.
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Old 04-29-2014, 11:53 AM   #3
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Quote:
Originally Posted by Bumbobee View Post
Said to use basic castrol 10w40 mineral oil and change every 5 k.
Castrol's 10w-40 mineral motorcycle oil is a really shitty product from all the reports I've seen.

Thanks for your response though.
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Old 04-29-2014, 11:55 AM   #4
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Maybe it is, not sure why an expensive BMW dealer like Budds would use it though.

Link to reports?
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Old 04-29-2014, 12:09 PM   #5
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Link to reports?
Mainly just comments that it shears quickly which results in poor shifting action. Probably OK though if you're changing it every 5k km (3k mi).

My local dealer actually put in Spectro 15w-50 in my bike at 600 mile first service. It's only another dealer that I spoke to that seemed to have a problem with it.
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Old 04-29-2014, 01:29 PM   #6
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Old wives tales... Just like sitting batteries on the ground will drain them.


Metal is metal. A superior oil is not going to be a detriment to metal at 2 miles, no more than it would be at 200,000.
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Old 04-29-2014, 01:29 PM   #7
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My dealer sold me synthetic at 2000 miles.
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Old 04-29-2014, 02:59 PM   #8
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Quote:
Originally Posted by Bumbobee View Post
My BMW dealer said no synthetic oil till after 20,000 km.

Said to use basic castrol 10w40 mineral oil and change every 5 k.

You can buy a 15-50 semi synthetic from motul, or you can just use 2 10w40 and 1 20w50 and you will have a similar 15-50 weight.


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Old 04-29-2014, 03:24 PM   #9
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The theory, which I accept, is that things that should happen as a part of the break in process, valves seating etc. wont occur with synthetic oil e.g. really slick oil. Believe what you want. I think most people don't hold onto their bikes long enough to tell the difference. Unless I bump into a hard object i keep my vehicles well more than 100k miles, and I think breaking them in carefully has something to do with it. Dave
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Old 04-29-2014, 03:26 PM   #10
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Maybe not a requirement.

For the G650 (Single) the user manual states:
"BMW Motorrad recommends not using synthetic oils for the first 10,000 km."

There is no such statement in any of the F800 user manuals.
Maybe it is not a requirement with the twin. Metallurgy has come a long way.

The theory is that the engine needs to wear in a little bit and synthetic oil means it does not wear in so well.

My F800gs is an ex-rental and has done 90,000km. It is worn in.
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Old 04-29-2014, 03:32 PM   #11
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Quote:
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The theory, which I accept, is that things that should happen as a part of the break in process, valves seating etc. wont occur with synthetic oil e.g. really slick oil.
Right, and I have heard that theory. The question is, is it still valid with today's modern engines? I guess one could argue whether the 2-cylinder Rotax is a modern engine... :)

Many car engines come filled with synthetic oil straight from the factory, BTW.
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Old 04-29-2014, 03:43 PM   #12
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What about using those break in oils from amsoil or royal purple?

http://www.amsoil.com/shop/by-produc...?code=BRKQT-EA

http://www.royalpurpleconsumer.com/p...-break-in-oil/
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Bumbobee screwed with this post 04-29-2014 at 03:56 PM
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Old 04-29-2014, 04:04 PM   #13
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Those are meant for rebuilt engines, if I'm not mistaken.
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Old 04-29-2014, 04:05 PM   #14
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What about mixing them in with regular oil to break in quicker?
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Old 04-29-2014, 04:17 PM   #15
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Technically, these are not API nor JASO approved oils, so you'd be going against what's written in your owner's manual.

In any case, I believe that if there is in fact any breaking-in going on, most of it is done by the time you hit 600 miles. That's why they want you to get your oil changed then.

If BMW was using some kind of special break-in oil and they thought it needed to stay there longer, they would not have required to have it dumped at 600 miles.
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