Quote:
Originally Posted by doublemetreF10
How many miles are on your '11 528? Has it ever had the spark plugs replaced?
There's an outside possibility of a battery issue, however if it was shaking it sounds like a misfire, although most ignition misfires I've dealt with were lower RPM issues that tend to be less noticeable at higher RPM depending upon the severity and engine.
Was the check engine light illuminated and/or flashing in conjunction with the drivetrain malfunction warning?
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I guess ill have to get it scanned then.. yes, I did get a check engine light but the CEL along with the malfunction warning was cleared with an ignition cycle. the engine seemed to rev really nicely.. until I got the warning so im not sure its a misfire but I guess ill only know but getting it scanned.
I recently turned over to 72,000 miles. spark plugs are original. no issues other then this.