Does this rare animal exist? if you changed your lights, tires, wheels, suspension, radio, intake, exhaust, etc with a non OEM unit while the factory parts were still good, your vehicle has been modified!
Can you resist the call of aftermarket modification?
Is it possible to leave well enough alone?
Imagine your grandparent replacing their SMG with a manual transmission.
Was there ever a time when you bought your new BMW and was happy with the equipment you got?