NGK 97506 1 Step Colder Spark Plugs - BMW N55 | S55 | S63 Amount Required:8 Front pipes Kit Right +

Front pipes Kit Right + Left

and not just a 'glory' BHP figure found high in the rev range where you don't spend the majority of your time

To fit with OEM muffler Ø60mm requests a reduction of the diameter of the outlet and use OEM Mini clamp cod

A "plug&play" component that replaces the OEM unit without any adaptation necessary

NGK 97506 1 Step Colder Spark Plugs - BMW N55 | S55 | S63 Amount Required:8 Front pipes Kit Right +When tuning your BMW N55, S55, S63TU it is recommended to go with 1 step colder spark plugs for a more efficient spark. These do not come pre gapped for tunes but we can gap them for you before shipping to suit your specific tune. Choose your option from the dropdown above prior to payment. *If you would like to gap the plugs yourself, choose ungapped in the dropdown.