Dinan 2025+ BMW Gen2 B48/Gen3 B58 Iridium Spark Plug - Heat Range 9 - 12mm x 26.5mm x 14mm - SINGLE

Compatible OEM Part #Cross Reference: 12125A523E0

• Heat range 12 spark plug (Similar: NGK 8)
• 152% higher melting point than silver, 125% higher than copper, and 38% higher than platinum
• Stronger than copper and platinum
• Acceptable for high performance / tuned and stock vehicle applications alike
• Projected insulator design
• Lower required supplied voltage
• Cooler operating temperature than stock plugs
• Optimized electrode design for hard to ignite fuels, such as ethanol
• Resists preignition better than stock plugs
• Thread reach: 26.5mm
• Thread diameter: 12mm
• Hexagon: 14mm Bi-Hex
• Terminal Type: Cup
• Seat Type: Flat
• Install Torque: 15 + 25 Nm
• Insulator Material: Ceramic
• Supplied Gap: 0.5mm
• Made in the EU

Always check sizes, gap, and heat range specs before installing. Installation of the wrong length plug can cause damage to the engine. You must verify this before installing the plug.

This part also goes by the following cross reference.

Cross Reference Part Number: dnnD640-0003