Have just acquired a 2009 BMW R 1200 GSA. have done some research regarding best practice oil use, lots talk about Shell Rotella T6. Engine is a Two cylinder boxer, four-stroke, oil air cooled... any thoughts from the brains trust. I have always used penrite on my other bikes Honda Blackbird Yamaha FJ before that.
thx in advance
ed
thx in advance
ed
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