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06-16-2020, 06:20 PM | #1 |
First Lieutenant
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Are my throttle body actuators failing intermittently?
Hey all,
Just picked up an E92 M3 with 74k miles with the knowledge that the throttle body actuators had never been replaced. I've got a 3-month power train warranty on it, so I've love for them to be replaced free of charge. It's been deluging here for the past 2 days straight, so I wonder if I threw a false code due to water getting somewhere. Initial issue steps:
I feel like if the actuators went, they wouldn't come back or at least I'd be able to feel something while driving. Do actuators fail intermittently or all at once and never recover? |
06-17-2020, 05:26 AM | #2 |
Lieutenant General
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They begin failing intermittently. That stage could last a number of months depending on how much you drive. Your problem could also be unrelated. There are some cars with 120k and original actuators. I suspect it has to do with how the cars are driven. A mostly highway car sees less actuator movement. But there are other theories such as lack of lubrication on the shaft and rotating assembly — not part of the actuator.
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06-17-2020, 06:48 AM | #3 |
First Lieutenant
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Sounds like it is your ta's failing or at least one of them. One of mine started at around 68 or 69k miles. I delayed replacement for a while, as the limp mode wouldn't be present all the time. Then it started happening more often and finally both of them got bad and a replaced them both.
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e92, s65, throttle actuators |
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