BMW X1 Engine Problems
Power chip for 2010 BMW X1
Answered by CarsGuide
11 Aug 2011
We haven't had any experience with the chip you refer to, but have had some with other chips that have been offered here in the past. Yes they can work, but they do so by taking the engine calibration closer to the edge than the carmaker would dare do with safety. In my view they would clearly affect the warranty.
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