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What is everyone's thoughts on warranty issues re BMW UK with software upgrades etc?
Being new to the BMW ownership world I am not sure of the score, and having just come from the OPC/VXR world where even a performance panel; air filter will invalidate your engine warranty (Vauxhall even have your ecu removed/sent off for inpsection before approving any engine/gear box warranty work on these models), so I am not sure if I will mess about to much and am only sorting at this stage a suspension upgrade......
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