Quote:
Originally Posted by LeMansM5
Isn't BMW Performance exhaust a re-branded Eisenmann or something? I am not sure BMW ///M is making these.
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No car manufacturer makes their own exhaust.
You'd be very surprised how little of any given car auto manufacturers actually make themselves. The frame and most of the core engine components, and that's it. Everything else is designed and/or specified in-house, but farmed out to hundreds of different vendors.
Transmissions, brakes, wheels, tires, turbos, seats, upholstery, stereos, navs, air filters, lighting components, paint colors, differentials, airbags, fuel pumps, oil filters... you name it -- all manufactured by different companies for BMW.