Another Throttle Actuator Failure/Tear Down/Attempted Repair - Page 5 - BMW M5 Forum and M6 Forums
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post #41 of 55 Old 18th January 2018, 05:56 PM
onesickm
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Quote:
Originally Posted by Koqui79 View Post
So my beast seems to have reached the end of the throttle actuator's life and now I'm debating whether to replace them with new ones or repair them with new gear kits. I know there's substantial savings between the two options, but from what I keep reading about other trying to repair them, is seems like a long drawn out process of trial and error that ultimately leads to either replacing the mother board and gears (basically all components). And I'm thinking between the labor to keep going back in (I'm not doing DIY on this) and all the parts to replace, it may be better off just replacing the units with new ones. What are you guy's thoughts? I do plan to keep the car for a loooooong time. So I don't want a temporary fix that will be someone else's issue down the line, cuz that someone will be me! haha.
Don't waste your time with repairing. It won't work. If you got the TA codes already then, electronics are already shot!
Save yourself time and money and go with brand new
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post #42 of 55 Old 24th March 2018, 07:20 PM
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Please visit this link to find out a solution to your throttle actuator problems. Thanks.

https://www.m5board.com/vbulletin/sho...d.php?t=590218

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post #43 of 55 Old 24th March 2018, 11:12 PM
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I am aware of the failures, but just wanted to confirm that this is a “repair” rather than “PM?”

If car is running fine now, there is no point in replacing the actuators, correct?

Jake

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post #44 of 55 Old 11th April 2018, 09:45 AM
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Originally Posted by 335i101 View Post
I am aware of the failures, but just wanted to confirm that this is a “repair” rather than “PM?”

If car is running fine now, there is no point in replacing the actuators, correct?
People do this as a PM item all the time. So it's both. PM and repair!

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post #45 of 55 Old 11th April 2018, 01:13 PM
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The gear replacement is best done as "preventative"....replace those gears before they start binding from wear.....and over heat the board (SCRs) and burn up the motor.
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post #46 of 55 Old 11th April 2018, 04:49 PM
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Originally Posted by Check_My_Six View Post
The gear replacement is best done as "preventative"....replace those gears before they start binding from wear.....and over heat the board (SCRs) and burn up the motor.
I was thinking the same exact thing.. Gonna have to do this before the long trip I'm planning..
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post #47 of 55 Old 12th April 2018, 01:07 AM
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The gear replacement is best done as "preventative"....replace those gears before they start binding from wear.....and over heat the board (SCRs) and burn up the motor.
This really depends on the miles of the car. We have seen over time that changing gears can be considered as a "preventative" maint item if the car has less than 35-40k miles max. Anything after that, some of the components on the circuit board are definitely burnt out. So at the point, changing gears only is just kicking the tire down the road and more of a waste of money.

The above observation is just from my experience. Changed numerous gears on e9x Actuators for my friends. And also fully rebuilt many actuators. So I'm very confident about the above stated observation. I hope this helps.

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post #48 of 55 Old 12th April 2018, 01:13 AM
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Originally Posted by AbdulM View Post
This really depends on the miles of the car. We have seen over time that changing gears can be considered as a "preventative" maint item if the car has less than 35-40k miles max. Anything after that, some of the components on the circuit board are definitely burnt out. So at the point, changing gears only is just kicking the tire down the road and more of a waste of money.

The above observation is just from my experience. Changed numerous gears on e9x Actuators for my friends. And also fully rebuilt many actuators. So I'm very confident about the above stated observation. I hope this helps.

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we shall see....mine were done at 90k miles with no codes thrown. Still going strong...and no actuator codes.

Last edited by Check_My_Six; 12th April 2018 at 01:15 AM.
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post #49 of 55 Old 12th April 2018, 02:10 AM
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This further validates my point. I did my actuators at 123k miles. No codes thrown till then. I didn't upgrade my gears before then either. After 40 or 50k miles, it's no point changing the gears. At that point, we are just waiting till the next mini component on the circuit board goes before it throws a code. Once the code is thrown, changing gears will definitely not help.

So changing gears at 90k miles as a preventative measure has no or very little value. If no codes were thrown and you changed the gears, it's not going to squeeze another 20k miles out of it just because of the new gears.

Just my observation.


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post #50 of 55 Old 12th April 2018, 02:16 AM
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Originally Posted by AbdulM View Post
This further validates my point. I did my actuators at 123k miles. No codes thrown till then. I didn't upgrade my gears before then either. After 40 or 50k miles, it's no point changing the gears. At that point, we are just waiting till the next mini component on the circuit board goes before it throws a code. Once the code is thrown, changing gears will definitely not help.

So changing gears at 90k miles as a preventative measure has no or very little value. If no codes were thrown and you changed the gears, it's not going to squeeze another 20k miles out of it just because of the new gears.

Just my observation.


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I guess we shall see.....my humble experience with electronics in reliability testing is that you reduce the stressor....and they darn near have infinite life. I hope to have reduced the stress to get infinite life by changing out the wear (binding) items. Electronics don't "wear" out.....they stress out.

But, you may be correct.....time will tell.

Last edited by Check_My_Six; 12th April 2018 at 02:16 AM.
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