Two Questions!

crustybeemer · Mar 11, 2016

Will be picking up my 2016 RT in the next few weeks :clap

(still have over a foot of snow here!) and am curious about a few things! What is the capacity of the side cases (Panniers?) and does the wethead have an oil cooler in addition to the liquid cooling rads? :ca

t6pilot · Mar 12, 2016

Bikes right cooler is coolant
Left side is oil cooler

crustybeemer · Mar 12, 2016

t6pilot said:
Bikes right cooler is coolant
Left side is oil cooler

Interesting! Thank You! :ca

lkraus · Mar 12, 2016

t6pilot said:
Bikes right cooler is coolant
Left side is oil cooler

Nope. Both sides are radiators for water based coolant, only one fan. Check the parts fiche:http://www.realoem.com/bmw/enUS/showparts?id=0A13-USA-01-2016-K52-BMW-R_1200_RT_0A03,_0A13_&diagId=17_0671

No oil cooler on the Wetheads.

Panniers 33 liters each.

crustybeemer · Mar 12, 2016

Thanks for the correction and pannier info! I'm sure T6 meant well! :ca

exgman · Mar 12, 2016

Panniers on my 2015 RT seem about 20% larger than those on my 2008 RT. I'm using the RKA liners from my 2008 and there's still a lot of room in the hard cases.

As to cooling, I find that there's a lot of heat which seems to come from the LH radiator (the one without a fan), but not as much from the RH radiator. Odd but not a problem.

You're going to love it a lot Crusty.

exgman · Mar 12, 2016

This shows the interconnections between the radiators, if anyone cares:

Screen Shot 2016-03-12 at 6.29.35 PM.jpg

t6pilot · Mar 12, 2016

I stand corrected
Thank you

alancoles · Mar 12, 2016

ExGMan said:
Panniers on my 2015 RT seem about 20% larger than those on my 2008 RT. I'm using the RKA liners from my 2008 and there's still a lot of room in the hard cases.

As to cooling, I find that there's a lot of heat which seems to come from the LH radiator (the one without a fan), but not as much from the RH radiator. Odd but not a problem.

You're going to love it a lot Crusty.

John, I believe that is because coolant flows through the left rad first and then to the right-side rad (w/fan) from the left one, if I'm reading this BMW graphic correctly.

Initially, I'd thought they were using the wrong orientation, but then it donned on me that what they are doing is allowing the passive cooling of both the left and right rads to do there work and only require the fan intervention after the passive capacity has been reached. At least, that's my take on things, and I like the design.

Crusty, congrats on the new bike, I'll be picking my "new-to-me" (916km) RTW just west of Toronto once the weather gets away from the real possibility of snow between there and my ride home to Nova Scotia. ;-) I'm sure you're just like me and have very itchy feet right now.

crustybeemer · Mar 12, 2016

Great responses guys! GMan-the illustration shows hot coolant entering at the bottom of the left rad! Usually hot coolant enters at the top and exits from the bottom! Fanigly point but I am at work and very bored right now! Yes Alan-very excited about my first Beemer! Having an early spring here but so far only have the VIN# and the dealer said the bike should be in any time! Awsum weather here but the long range shows a bit of a cool down for the next 2 weeks so I think mother nature is messing with me! :ca

exgman · Mar 13, 2016

AlanColes said:
John, I believe that is because coolant flows through the left rad first and then to the right-side rad (w/fan) from the left one, if I'm reading this BMW graphic correctly.

Alan - I like that graphic a lot. It does explain the greater heat on the LH side. Thanks - JG

marcopolo · Mar 13, 2016

Interesting. I moved from a 1200RT to a '15 GSA in November. I have noticed additional heat on my boot with the wethead, but it's on the right side, not the left side.

t6pilot · Mar 13, 2016

t6pilot said:
Bikes right cooler is coolant
Left side is oil cooler

Had to take both left and right upper panels off to confirm
NO oil cooler insight, I never would have thought

alancoles · Mar 13, 2016

t6pilot said:
Had to take both left and right upper panels off to confirm
NO oil cooler insight, I never would have thought

Water is a more efficient cooling medium than oil so typically you'll only get an oil-cooler on a water-cooler engine that is doing "severe-duty beyond the ability of the water radiator capacity available. Normally a packaging problem in not being able to economically fit sufficient water-cooling.

Not only does the RTW not have an oil-cooler, but by going to water-cooling (and larger rads/coolers) it has increased the "non-air" cooling by over 50% from the previous models 22% cooling by oil to the RTW's 35% cooling by water. Because water is a more efficient cooler, BMW was able to generate more power while reducing fuel consumption and reducing emissions. All good in my books. Some may not like it, but we've always got great Cam/Hex/Oil/Airheads to fall back on it we wish.

akbeemer · Mar 13, 2016

We have five water cooled bikes of assorted brands. Not one has an oil cooler.

crustybeemer · Mar 14, 2016

My 650 V-Strom is liquid cooled and has an oil cooler as well! I consider it extra insurance as oil is the lifeblood of an engine! Would have thought BMW would include it! :ca

AKsuited · Mar 14, 2016

crustybeemer said:
Would have thought BMW would include it!

It's not needed and would only add complexity and more chance of a leak.

Harry

lee · Mar 14, 2016

crustybeemer said:
My 650 V-Strom is liquid cooled and has an oil cooler as well! I consider it extra insurance as oil is the lifeblood of an engine! Would have thought BMW would include it!

Some of the K bikes have oil coolers. My K1300S has a cooler as did my K1200RS.

exgman · Mar 14, 2016

crustybeemer said:
My 650 V-Strom is liquid cooled and has an oil cooler as well! I consider it extra insurance as oil is the lifeblood of an engine! Would have thought BMW would include it!

Crusty - Not to cut into your style, but exclamation points lose their meaning if over-used. Just sayin...

crustybeemer · Mar 14, 2016

ExGMan said:
Crusty - Not to cut into your style, but exclamation points lose their meaning if over-used. Just sayin...

Exclamation points are not available to me when I use my tablet as I did then and now! Sorry! :ca

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