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) 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 Actual Product Weight: .10 lbsThread Size: 12mmPreset Gap (in): 0.030 InchGround Electrode Tip Material: PlatinumCenter Electrode Core Material: CopperCenter Electrode Tip Material: IridiumApproximate Resistor Value (Ohm): 5000 Ohm BMW 1 Series 135i 2007-2010 (E8x N54) BMW 1 Series 135i 2011-2013 (E8x N55) BMW 1 Series 135is 2011-2013 (E8x) BMW 1 Series M135i 2012-2016 (F2x N55) BMW 2 Series M235I 2014-2017 (F2x) BMW 3 Series 335 335i 2007-2010 (E90/E91) N54 BMW