Hi,I have the 2016 GS adventure TE model and it has a sat nav holder,does anybody know what sat nav will fit this as the bmw one is huge money.Im not too worried if the thumb wheel on the left of the handle bar is not compatable.
Garmin Zumo 660
BMW Nav 4
Both fit, but the whizz wheel won't do anything.
BMW Nav V fits and is fully compatible with the bikes whizz wheel and systems
The wheel does offer some functionality with the Nav IV. It allows you to scroll through options, select them and zoom in on the map, if I remember correctly. I rarely use it though...
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Aren't they just a modified 660?
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I think the Nav V is based on the Garmin 590 LM but with the case of the 660 to ensure it fits in recent BMW mounts.

One of my riding mates speculated that the Nav V is able to detect that I'm on a GS, and therefore deliberately route me over some less-than-ideal terrain on the assumption that surely every GS rider would prefer to leave a smooth A road and take a slippery, rutted, single-track road instead.![]()
I sold my 660 to get a Nav V, and the mates I ride with still have 660s. The 660 was better at routing. The Nav V does some very weird stuff like routing you through a lay-by, or taking you off an A road and down a single-track lane up a hill! When I did a lap of Ireland my Nav V got me into a number of scrapes by deciding it could save a few seconds by going down some mossy, gravelly back road. Last week in the highlands, my mates were constantly ribbing me about some of the minor routes by Nav V took us down when I was leading.
When I ride with my mates now, I ask over the intercom "Does your 660 say to turn here?" to avoid some daft roads. I wish I still had my 660.
So far no issues with my Nav 5. I plan routes on Basecamp so assume if doing that it will override anything the satnav wants to do if you've got appropriate waypoints or via points.