Join Date: Sep 2012
Location: Aberdeen, Md, USA
Re: BMW OEM battery/charger question
Per earlier post by John Z.
There is also an issue with mix matched controllers for the radio and the radio itself. If the software versions are not correct it can cause a big*drain*on the*battery. Here is how you check for it.
Turn on the radio and within 8 seconds push and hold down the "MAN" button on the stingray radio control panel. You'll see "SVOL" appear on the radio screen (controls your speed volume/rate of change and is adjustable from 1 to 4). Continue to hold down on the "MAN" button until you get an 8 character radio serial number displayed on the screen. Now release the "MAN" button.
Next, press and release the radio "SEEK" control on the handlebar. You should now see the radio software version (on the radio screen) that will look something like SV 0300, SV 0400, etc, up to SV 0700 meaning that the radio software version is 3.0, 4.0, etc.*
To get the RCU software version press the "MAN" button again and you should see either BID 2.0 or BID 3.0.*
If you have a RCU with version 2.0, it will work with any radio software version, and they are: 3.0, 4.0, 5.0, 6.0 and 7.0 respectively. If you have a RCU with version 3.0, you WILL get thebattery*drain*problem if you do not have a radio with version 7.0 software. In order to keep the*battery*from discharging with a RCU version 3.0 and any other radio software version except 7.0 you must use a*Battery*Tender or some reasonable substitute, or religiously 1)turn off the radio first, and then 2)turn the key to the fork locking position each time you park the bike for any extended period.
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2002 K1200LTC Pacific -Blue moon Beemer
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84 Yamaha Venture Royal -departed
84 Honda 750 Interceptor- departed
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