Quote:
Originally Posted by PatrickC23
I would think BMW will void any sort of warranty work associated to those parts. Like if you have springs on, and go in for a suspension issue, they will surely blame your mods. They couldnt deny warranty work on your engine for suspension mods obiously. But I also think YMMV on this based on your relationship with your dealership. Some dealerships are mod friendly
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This.
Don't worry about the exhaust. Very very common mod.