NGK SPARK PLUGS (97506)

OEM NGK spark plug, same part used to service your BMW (2 step colder for N54, 1 step colder for N55) NOTE: THESE ARE SOLD AS A SET ONLY (6 TOTAL) Spark plugs are an often overlooked maintenance item. If your BMW has developed a misfire, studders, or feels down on power it could be due to worn out spark plugs. Please note Tightening torque for this spark plug is 23 ± 3 Nm, a special 14mm, 12 point spark plug socket is required for removal and installation of this plug. Spark Plug Failure Symptoms: Misfiring Check Engine Light Hesitation Loss of Power Poor Fuel Economy