Quote:
Originally Posted by pits200
I haven't researched that far yet, you need to really be pushing the boast to go a full step colder on stock turbos. Don't forget about the extra roughness of the engine on too cold of plugs.
Not sure if you're asking if I used the same Bosch plugs that are oem or another brand or if you're asking if I used the plugs stamped with bmw on the side? I went with the Bosch 330a plugs which are oem but half the price because it doesn't say bmw on the side.
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Thanks, it's good to know, I'll be doing mine too at around 60k miles