Spark Plug - BMW N20 / N55 / S55 / N63 / S63 | 12120039664-BOS

3X longer service life compared to standard copper plugs

Bosch Double Platinum spark plugs are engineered to extend performance life and durability. The fine wire design of the center electrode improves ignitability and performance in your engine while the platinum tip on both the center and ground electrodes ensure longer life. All backed by a 6-year performance satisfaction guarantee.

Center Electrode Core Material: Nickel-Yttrium and Copper and Platinum - Center Electrode Tip Material: Platinum - Ground Electrode Tip Material: Nickel-Yttrium and Platinum 

Features and Benefits:

• OE design for optimum fit and function
• Fine wire design delivers improved ignitability and performance life
• Center electrode is an ultra fine wire design.
• Copper core provides broader heat range to resist pre-ignition
• Tapered shape ground electrode reduces flame shrouding for improved combustion
• Yttrium enhanced to resist wear
• Nickel-plated shell with rolled threads
• Ribbed insulator design
  
  
  
  Part #'s
  
  
  12-12-0-039-664 / 12 12 0 039 664 / 12120039664
  
  12-12-0-038-896 / 12 12 0 038 896 / 12120038896
  
  12-12-0-038-704 / 12 12 0 038 704 / 12120038704
  
  
  Bosch Part #'s
  
  8165 / ZR-5_TPP-330
  
  

⚠️CALIFORNIA WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov