Originally Posted By daveygravy
James,
Brian Gateson at Techniques tells me that the plugs only need changing at 50000 miles intervals?
Dave.


The 2008 Aero Service Sheet says 60,000 miles or 5 years. This ties in with BMW's instruction of 100,000km, or 5 years.
I don't quite understand how plugs can age over time, but I guess BMW knows best!

Peter,
66, 2016 Porsche Boxster S
No longer driving Tarka, the 2014 Plus 8...