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X3 F25 (2011 - current)
The latest X3 brings some added style and some new features to the BMW SUV family. Talk about the new F25 now! |
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Exhaust
Iwant to change the exhaust to an after market on my 2013 X3 35i. However, does anyone know the "real" reason for the vacuum operated valve in the current exhaust.
If it's for back pressure for the turbo or some other reason I don't want the affect the warranty by changing the exhaust.. Thanks in advance... |
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