NGK 4471 LKR8AP Laser Platinum Spark Plug
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NGK 4471 LKR8AP Laser Platinum Spark Plug

$29.06
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OEM replacement spark plug specified by BMW for your BMW's high performance M engine This spark plug is the same model NGK plug that is recommended and installed at the factory by BMW for your M3, M5, or M6. Per BMW service bulletin, spark plug change is recommended every 37,500 miles. Specifications:Center electrode core material: CopperCenter electrode tip material: PlatinumElectrical terminal type: Non removable nutGround Configuration: MultipleGround electrode core material: CopperGround electrode quantity: 2Ground electrode tip design: MultipleHex size: 16mm hex (6 point)Thread size: 12x1.25mmTorque spec: 23 ± 3 Nm (~17 ft-lb)Insulator Height: 50mmManufacturer heat range: 6Pre-gap size: 0.036" (0.9mm)Reach: 26.5 mmResistance: 5000 OhmsResistor Type: YesSeat Type: Flat Spark Plug Maintaining your car at suggested service intervals will result in a better performance and improved fuel economy, which is why we suggest changing your spark plugs at the manufacturers suggested service intervals and be sure to check their condition for any warning signs of failure. If your vehicle isn't operating at peak performance it may be time to replace your spark plugs. Spark Plug Failure Symptoms Misfiring Check Engine Light Hesitation Loss of Power Poor Fuel Economy

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