I just had the 30k miles service done on my car this past week.The eingine oil, tranny oil, rear end oil and spark plugs were changed. I talked to the tech that worked on my car and he told me that the spark plugs should be changed every 30k miles.
'09 E92 ///M3 Interlagos Blue, 6MT
, Silver Novillo Leather, CF Trim, Premium Package, Technology Package, Cold Weather Package, Premium Sound, 19" Wheels, Moonroof-Toy//
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