NGK SILZKBR8D8S 97506 Laser Iridium Spark Plug F8X M2 M3 M4

NGK SILZKBR8D8S Laser Iridium spark plugs are "one-step colder" than stock for the F8X M2 M3 M4 N55/S55 engines. Sold individually, price is for one plug - please adjust quantity as needed.

Vehicle Fitment:
• 2015-2018 BMW M3 F80 S55
• 2015-2020 BMW M4 F82/F83 S55
• 2019-2021 BMW M2 F87 Competition S55
• 2016-2018 BMW M2 F87 N55

Required for Install:
You'll need a Thin-Walled 14mm 12-Point Tool Spark Plug Socket Tool for the N55/S55 engines.

Part Number: SILZKBR8D8S
Stock Number: 97506
Heat Range: 8
Thread Size: 12mm

Features:
NGK Laser Iridium spark plugs provide superior ignitability and long service life. Fine wire iridium tipped center electrode and fine wire platinum tipped ground electrode ensures slow wear rate providing stable idle, superior anti fouling, improved fuel efficiency and lower emissions.
• Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
• Corrugated ribs prevent flashover
• Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
• Copper core aids in heat removal
• Triple seals prevent leakage

Shell:
Thread Diameter: 12mm
Thread Pitch: 1.25mm
Seat Type: Gasket
Reach: 26.5mm (1.04")
Hex Size: 14mm Bi-Hex
Terminal Type: Solid
Overall Height: ISO
Gap: .031" (0.8mm)

Center Electrode:
Material: Iridium
Type: Fine Wire
Size: 1.0mm
Projection: Extended Projection

Ground Electrode:
Material: Platinum
Type: Square
Shape: Taper Cut
Quantity: 1

Specifications:
Resistor: Yes
Resistor Value: 5k Ohm
Heat Range: 8
Torque Specs: Aluminum S55/N55 Block 10.8-14.5 ft lb

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