Too much bro. I'm not even sure how it could be retrofitted, not worth the time & money imho. The thing is, virtually all options are a lot cheaper to get from the factory when you order the car vs. retrofitting.
unless you find a junked e46 ci with power seats..
if you come up on the seats i say go for it..
go check with a dealer if you can purchase sports seats or m3 seats and ask their compatibility with ur ride. Im sure their compatible.but my bet is that it costs an arm and a leg
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