NGK Iridium Spark Plugs 95248 SILZKGR8C8S - BMW G2X / G1X / F40 / F4X - B58TU / B46 / B48 (Sold Individually)

NGK SILZKGR8C8S / 95248 Iridium Spark Plug Petrol Ignition Replaces 12120040552

Upgrade your BMW’s ignition system with the NGK 95248 SILZKGR8C8S Iridium Spark Plug, the OEM-standard spark plug for modern BMW engines including the B58TU, B46, and B48. Designed to fit various models in the G2X, G1X, F40, and F4X platforms, this high-performance spark plug delivers unmatched reliability, efficient combustion, and extended service life.

Engineered with a laser-welded iridium center electrode and a platinum disc on the ground electrode, the 95248 ensures consistent firing under high-load conditions. The fine-wire construction supports faster starts, smoother idle, improved acceleration, and enhanced fuel economy. A trivalent metal coating protects against corrosion and seizure, making it ideal for both daily driving and performance setups.

Key Features:

• OEM-Approved Replacement: Ideal fit for B58TU, B46, and B48 BMW engines

• Iridium Center Electrode: Ensures superior ignitability and long lifespan

• Platinum Ground Electrode: Reduces wear and maintains stable performance

• Corrosion Resistance: Trivalent plating for anti-seizing and anti-corrosion protection

• Enhanced Combustion: Improves throttle response, emissions, and fuel efficiency

Specifications:

• Part Number: 95248 / SILZKGR8C8S

• Material: Iridium / Platinum

• Sealing Type: Copper gasket

• Interference Suppression: 5kΩ

OEM Reference Numbers:

• 12120040552

• 12120046646

• 12120055028

• 12122455258

• OE 12 12 0 040 552 – BMW / MINI

• OE 12 12 0 046 646 – BMW / MINI

• OE 12 12 0 055 028 – BMW / MINI

• OE 12 12 2 455 258 – BMW / MINI

• OE 12 12 5 A4E F60 – BMW

• OE SILZKGR8C8S – NGK

The NGK 95248 SILZKGR8C8S Iridium Spark Plug is the trusted choice for keeping your BMW running at peak performance. Whether you’re performing routine maintenance or upgrading for performance, this spark plug delivers precision, durability, and OEM-grade efficiency.