twstm Posted July 21, 2017 Share Posted July 21, 2017 I'm hearing a clattering rattling noise between 3,500-4000 rpm and it seems to be more prominent under load. Is the the cam chain tensioner problem I have read about? I don't think it's pinging or pre-ignition as I have heard that before on a 2004 GS I had, Link to comment
Eckhard Grohe Posted July 22, 2017 Share Posted July 22, 2017 What model of BMW is it? Link to comment
twstm Posted July 22, 2017 Author Share Posted July 22, 2017 Using the proper grade of fuel? Yes, always premium octane 92 or 93 Link to comment
twstm Posted July 22, 2017 Author Share Posted July 22, 2017 What model of BMW is it? Sorry, 2002 R1150RT-P Link to comment
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