Bosch 6752 Spark Plug

Overview of Bosch OE Fine Wire Platinum Spark Plug 6752

The Bosch OE Fine Wire Platinum Spark Plug 6752 is engineered for reliable ignition performance in select BMW models. Designed with precision materials and specifications, this spark plug supports efficient combustion and consistent engine operation.

• Part Number: 6752
• Brand Line: OE Fine Wire Platinum
• Resistance: 6000 ohms
• Center Electrode Tip Material: Platinum
• Ground Electrode Core Material: Copper
• Pre-Gap Size: 1 mm
• Thread Diameter: 14 mm
• Reach: 26.5 mm
• Hex Size: 16 mm
• Seat Type: Flat
• Manufacturer Heat Range: 7
• Insulator Material: Ceramic (Projected Type)
• Designed for 4-cycle engines

Details on Bosch OE Fine Wire Platinum Product Line

The OE Fine Wire Platinum line from Bosch focuses on delivering spark plugs with fine wire platinum center electrodes that enhance ignition reliability and durability. This technology reduces electrode wear and maintains stable spark performance over time, making it suitable for vehicles requiring precise ignition components. The 6752 spark plug incorporates these features to meet the demands of BMW engines.

Technical Description and Features

The Bosch 6752 spark plug features a platinum center electrode tip combined with a copper core, which balances conductivity and durability. The ground electrode also uses nickel-yttrium and copper materials, ensuring consistent spark gap integrity. With a resistance of 6000 ohms, this spark plug helps suppress electrical noise that can interfere with vehicle electronics. The ceramic projected insulator improves voltage insulation and heat dissipation, while the flat seat and 16 mm hex size facilitate proper installation and sealing. The heat range 7 rating suits moderate engine operating temperatures, making it compatible with various BMW models.

Compatible BMW Models and Common Applications

• BMW 128i
• BMW 323i
• BMW 328i and 328i xDrive
• BMW 528i and 528i xDrive
• BMW X3 and X5
• BMW Z4

This spark plug is designed specifically for these BMW models, ensuring proper fitment and performance in their 4-cycle engines.

Common Issues Addressed by Bosch 6752 Spark Plug

• Engine misfires due to worn or faulty spark plugs
• Reduced fuel efficiency from incomplete combustion
• Difficulty starting the engine in cold or damp conditions
• Rough idling or hesitation during acceleration
• Electrical interference affecting onboard electronics

Installation Notes and Tips

• Verify compatibility with your BMW model before installation
• Use a torque wrench to tighten the spark plug to manufacturer specifications
• Check and adjust the pre-gap if necessary; factory pre-gap is 1 mm
• Inspect the spark plug threads and cylinder head for damage before installation
• Replace spark plugs in sets to maintain balanced engine performance

Quality Assurance and Warranty

Bosch OE Fine Wire Platinum spark plugs are manufactured to meet OEM standards for quality and durability. The use of premium materials such as platinum and copper ensures long service life and consistent ignition performance. While specific warranty details may vary, Bosch products typically come with a limited warranty covering defects in materials and workmanship.