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Old 01-12-2021, 01:39 PM
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Hesitation / rpm drop in 1st and 2nd gear

I just replaced the water pump on my 2007 x5 3.0 as it had failed. I replaced the thermostat while I was there too. Before the water pump had failed the car was running perfectly fine. After I changed the pump I notice slight hesitation and quick rpm drop Randomly in 1st or 2nd gear. It happens sometimes when I’m driving around 65mph also where it feels like the car hesitates a bit maybe a slight drop in rpm and then continues to drive. I checked the codes and see nothing and everything else seems okay

Any thoughts on what this could be ? Do you think it’s related to the water pump ?


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Old 01-12-2021, 04:05 PM
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Start by checking for any vacuum hose that was disturbed in the process or any part of the intake that was removed.
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2014 535d X-drive, M package, silver/black interior

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