Quote:
Originally Posted by JDougM5
I have 700 miles on my X5M, and although I am doing my best to abide by the break-in recommendations, I have noticed when the M button is pressed, I get a popping/burbling sound from the stock exhaust on deceleration. The sound is particularly prevalent when decelerating in 2nd and 3rd gears. Has anyone else experienced this? Am I simply overreacting?
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When I am in M mode. I get a deep pop on the 1-2 shift and the 2-3. I never heard it loud on deceleration. Unless maybe you are at a high RPM and just get off the gas. But it is nothing like the pop on the 1-2/2-3 upshifts