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X6Jack X6Jack is offline
New Member
Posts: 4
Join Date: Jul 2021
Car: 2011 BMW X6 M
Default 07-16-2021, 10:01 AM

I replaced the #6 coil and all codes have disappeared except the 2 for the coolant pump which I have confirmed is bad. What troubles me is I have no idea how long the pump has been bad and only found this issue after having misfires because of a bad coil.

Any idea how important the pump is? I assume with an inoperable pump the turbo temps will be higher than they should which will decrease the lifespan of the turbos. Is it possible that once the pump is fixed and the turbo temps are dropped I could see a slight performance gain?

Thanks, Jack
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