NGK 97506 "2 Step Colder" Spark Plug - Turbo BMW Motors Choose your plugs:6-Pack Plugs (6 Cylinder Vehicles) Doc Vu’s S55 tuning applies

Doc Vu’s S55 tuning applies seamlessly to all known models featuring the S55 engine architecture:

Install Guide (

2017-2018 E200 & E300 W213 E-Class

• 2011-2013 N55 BMW E82 E88 135i LHD

Bmw 740i 2011 to 2012

NGK 97506 "2 Step Colder" Spark Plug - Turbo BMW Motors Choose your plugs:6-Pack Plugs (6 Cylinder Vehicles) Doc Vu’s S55 tuning appliesThese NGK Laser Iridium replacement plugs are factory standard in BMW N20 & S55 engines and are suggested for most turbo BMW engine including the N54, N55, N63, N63TU, S63, and S63TU applications. 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". Beware of counterfeit NGK