NGK 4471 LKR8AP Laser Platinum Spark Plug
Description
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: Copper
Center electrode tip material: Platinum
Electrical terminal type: Non removable nut
Ground Configuration: Multiple
Ground electrode core material: Copper
Ground electrode quantity: 2
Ground electrode tip design: Multiple
Hex size: 16mm hex (6 point)
Thread size: 12x1.25mm
Torque spec: 23 ± 3 Nm (~17 ft-lb)
Insulator Height: 50mm
Manufacturer heat range: 6
Pre-gap size: 0.036" (0.9mm)
Reach: 26.5 mm
Resistance: 5000 Ohms
Resistor Type: Yes
Seat Type: Flat
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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