Spark plugs should be replaced as part of routine maintenance to keep performance and fuel economy at its peak. Turner Motorsports carries Genuine BMW and high performance aftermarket options that will keep your engine burning at top efficiency.
This is a Genuine BMW High Power Spark Plug - RM ZMR5T99330. It is used on BMW's with the S55 S63Nl turbocharged engines. We recommend changing spark plugs every 60,000-80,0000 miles.