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Yes and No. The tune could void the warranty on certain components. For example if your turbos go out and they learn there was a tune on the car, they would probably deny the warranty. It wouldn't cause them to not warranty the stereo. The dual cone intake and intercooler do not void the warranty. When I bring it to the dealer I put the JB4 to map 0 and it is completely undetectable to the BMW systems.
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