Page 150 in my 2010 manual is about fuel, not oil.
Yes the 2010 1200GS engine is different with respect to the oil recommendation. The 2005 1200GS recommended 10W40 and then they changed it to 20W50 in 2008/9??? and now it has gone back again to 10W40 for 2010!
But the best advice as always is to follow the manual for the expected operating ambient temperature range.
Simples![]()
Err not sure about that, I have the 2010 GSA and Rainbow recommended 20/50 SEMI SYNTHETIC.
I'll just stick with whatever my dealer recommends and then there's no come back if there's a warranty issue with the motor.
Well one can either follow the Manufacturer's recommendation or the Dealer's - ....

BMW recommend Castrol Power 1 Racing 10W-50 for all Boxers and HP2s
http://www.bmw-motorrad.co.uk/service-and-maintenance/hints-and-tips/oil.html
Loud and clear enough?
Greg




BMW recommend Castrol Power 1 Racing 10W-50 for all Boxers and HP2s
http://www.bmw-motorrad.co.uk/service-and-maintenance/hints-and-tips/oil.html
Loud and clear enough?
Greg
not the 2010, So I think that this leaflet is a bit dated!!!! So there is a contradiction between the new 2010 Manual and the BMW website - so either the website is in error or the latest Manual is - 10W40 Castrol GPS in the Manual and 10W50 fully synth on the website.
So is the Manual wrong or the website ....
Give them a bell & let us know????
It does exist - only in 1 litre bottles in BMW dealers at 15 quid a pop![]()

better than that old mineral and semi-synth stuff, my engine will wear less !

i knew i should have used fully synth on those two 300k mile r1150 despatch bikes i service.![]()

Errr yes they do!!Well one can either follow the Manufacturer's recommendation or the Dealer's - personally I would do what the manufacturer says - after all they designed the thing! and if you do what the Instruction Book says then there can be no comeback either!!
From the 2010 Manual one can deduce that 20W50 is not good for lower then 0°C. but 10W40 is AND there is no upper ambient limit to 10W40 specified, BUT this is for Castrol 10W40 GPS, which is probably more stable at higher temperatures than cheapo 10W40.
Simples!
P.S. I suspect that many of the dealers don't read the Manuals either!!!
Errr yes they do!!
If you read the castrol brochure done in conjunction with BMW you'll see that 20/50 is suitable for the 1200 but if the customer requests it they can have "ultimate " protection by using the 10/60.We've had no issues at all using 20/50

Then why isn't it a recommended oil in the latest Manual???? Is this an error do you think?
20W is not mentioned anywhere in the 2010 Manual - 15W is their recommendation for ambient temperatures >= 0°C
There is an inconsistency between the Manual, the dealers and the BMW website - so it is no surprise that people become confused!!

In times of strife.
When i dont know what to do.
When all around me is division and conflict.
I ask myself the question;
WWSD?
What Would Steptoe do?
anyone interested in a group buy of WWSD wristbands?
All proceeds from sales go to a worthy cause..
Me.![]()
Then why isn't it a recommended oil in the latest Manual???? Is this an error do you think?