NGK Colder Spark Plugs


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NGK 95770/5992 "1 Step" Replacement Spark Plug

A must for all cars running more than 400hp+ for much reliable and better performance. 

These NGK 95770/5992 Laser Iridium replacement spark plugs are 1 step colder than Bosch and are well suited for higher than stock horsepower racing applications. The spark plug gap must be manually set using a gap tool and feeler gauge to the suggested 0.022". The tighter gap and exposed electrode design typically result in fewer misfires at higher power levels than the Bosch plugs. The trade-off is a 15-20k mile life span compared to the 20-30k life span of the Bosch plugs. Note NGK has changed their part number for these 1step plugs from 5992 to 95770.

These plugs are suggested for the N54 & N55 motors, for other tuned BMW turbo applications we suggest the NGK "2 Step" plugs.

NGK 97506 "2 Step Colder" Spark Plug

A must for all cars running more than 600hp+ for much reliable and better performance. 

These NGK Laser Iridium replacement plugs are factory standard in BMW N20 & S55 motors. They are 2 steps colder than stock N54 plugs and suggested for higher boost E85, water/meth injection, and/or upgraded turbocharger applications across all late model turbo BMW models. We suggest setting the gap down to 0.020".

These plugs are suggested for most turbo BMW motors including the N20, N54, N55, S55, N63, N63TU, S63, and S63TU applications.

Beware of counterfeit NGK plugs being sold for $5-10 each on eBay and Amazon. They do not offer the same performance, lifespan, and knock resistance. NGK plugs from BMS are guaranteed authentic.

Features & Benefits

  • Sold individually 

Often specified as original equipment, NGK Laser Iridium spark plugs are the best combination of performance and longevity.

  • Fine wire Iridium center electrode
  • Platinum pad at ground electrode for even wear in DIS ignition systems
  • Engineered for specific vehicle applications
  • Iridium tip is six (6) times harder than platinum

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