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Toneaero · 11-17-2017, 08:06 AM

Anyone know where the vacuum pump is located for the exhaust flap in the OEM exhaust? When I hit the "M" button, the valve normally opens but I believe the pump needs to be replaced as it no longer opens on cold starts, WOT, and when I activate M mode.

11-17-2017, 08:06 AM	#1
Toneaero Private First Class 19 Rep 170 Posts Drives: X5M Join Date: May 2013 Location: MN iTrader: (0)	X5M Exhaust valve/flap not opening? Anyone know where the vacuum pump is located for the exhaust flap in the OEM exhaust? When I hit the "M" button, the valve normally opens but I believe the pump needs to be replaced as it no longer opens on cold starts, WOT, and when I activate M mode.
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