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F01 Muffler Mods
Hello i'm helping a friend out as I have a F10 550i. They heard and saw my exhaust with the M5 cans on it, and fell in love. Since they share the same N63 engines, the sound should be the same.
Is there a mod like that for the 750's? like an OEM muffler switch or do you just put on the Eisenmann, super sprint, etc.??
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