1st, which Bosch plug model does BMW use from the factory?
2nd, which plug do you guys recommend? (please stick with copper, preferably Bosch)
3rd, what is the recommended gap?
4th, how much should the tune-up parts cost? (plugs, cap, rotor, wires)
2nd, which plug do you guys recommend? (please stick with copper, preferably Bosch)
3rd, what is the recommended gap?
4th, how much should the tune-up parts cost? (plugs, cap, rotor, wires)
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