engin falut ..reduce power
I had the same problem on my previous X6-5.0 especially in summer time (40 to 47 C over here in Dubai) .checked with the dealer they told me it is a programiming issue and I have to install the update .They've done the programing update for the car but the problem was still there .the update was a desaster in term of performance and it has more saftey mesure which always restrict the car .This is why I sold it .I've heared that it is common in both 3.5 and 5.0 also 3serice 3.5 has the same issue .
lucky enough nothing similar in the X6M till now .I've done some long trip with high speed and all looks great
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TheX6M
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