Quote:
Originally Posted by BrowBMW
The coils are one cost... you can google B58 Coils from FCP or ECS, then the kit to adapt them to your car from nxm is a separate cost. Kit is the wire harness, install plates, and the longer boots for the coils.
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Brow.. and BlkMax... I currently have step colder plugs, If I go with the B5b coils, should I use the same colder plugs?.. or go with what was stock?