Bosch 0250603009 Diesel Glow Plug

The Bosch 0250603009 is a DuraSpeed diesel glow plug designed for BMW 3.0L M57 diesel engines. This sheathed-element glow plug provides rapid preheating to ensure reliable cold-weather starting in diesel vehicles, even in temperatures as low as -28°C (-18°F).

Key Features:

• 7-volt operation with sheathed single coil heating element
• Fast preheat time of less than 2 seconds for quick engine starts
• Porcelain heating element and ceramic body construction for superior insulation and heat transfer
• 10mm thread diameter with 9mm hex size for precise fitment
• 106mm overall length with 33mm glow tube reach
• Tapered seat design with pin-type terminal connection
• Nickel-plated rolled threads prevent seizure and increase strength
• Twin Viton seals protect coils from exhaust gas damage
• Controlled post-glow phase reduces emissions and engine noise

This OEM-quality replacement glow plug integrates seamlessly with BMW engine management systems and helps ensure efficient diesel fuel ignition under compression. Compatible with BMW OE part number 12237807277. Torque specification: 7.4-11 lb-ft. Sold individually; most diesel engines require 6 glow plugs.