I need help 2006 M5 E60 w/ throttle actuator issuese - BMW M5 Forum and M6 Forums
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post #1 of 7 Old 4th March 2015, 09:47 AM Thread Starter
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I need help 2006 M5 E60 w/ throttle actuator issuese

Hi every one!
I am having a huge issue with my 2006 bmw m5 e60 right now... The other day I went for a small drive and a bunch of errors came up on my idrive engine malfunction, increased emissions, Dcs malfunction, start up assistance, ect... Any ways so this all popped up soon as I flashed it up.. It was a really rough start and then went into limp mode and now only had 4500 rpm it was very limited and stayed in limped mode even when you turn it on and off.. I don't drive my m5 very hard at all... Any ways so I get it home and I hook it up to my code reader and these are the codes that come up and I need help from you guys letting me know if I need to buy a new throttle acutator or what because I have no clue what's wrong with my beast... These are the codes and even after I clear them they always come right back so here is what the reader shows every time I read it....

2b21 throttle-valve actuator pre-drive check, bank 1
2b57 air-mass sensor, plausibility
2b5b throttle valve fault status, bank 1
2796 throttle actuator-test, lower stop

Do I need to buy a new actuator for bank1 ???? I found a used one on ebay for 250$ and the guy assures me it won't throw any codes should I buy it and bring it to a shop to have it swapped out... Will this fix my issue and get my baby outta limp mode??? I need help guys I'm clueless when it comes to this stuff I'm just shooting in the dark... Please respond quickly I need to order this now if it is it... Also what other things could it be or other surprises should I expect
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post #2 of 7 Old 9th April 2015, 02:25 AM Thread Starter
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post #3 of 7 Old 19th May 2015, 12:35 AM
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Garage
Hello voitovick,
Did you fixed you car ?

Dear BMW experts.
I bought a M5 2008 with some issues to solve and I am repairing all that need to be done. I replaced the brake pads and sensors, Alternator voltage regulator, battery and repair the DSC module with a local specialist and, erased all codes with Launch Creader and Autocom OBD2 scanners. Everything looks good and during the test I found new codes:

2B57 Motor Emergency Program Activated
27B7 Electronic vacuum pump for brake booster
2796 Electronic throttle controller : adaption wrong

I am investigating these codes and like to receive some suggestions to find the solution.
Thank you.
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post #4 of 7 Old 19th May 2015, 04:47 AM Thread Starter
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So it says throttle adaption wrong on your scanner?? I get that code all the time! Mostly when I drive around like a pissed off teenager but I clear it and it go's away for a few weeks I think it means it's letting you know that your actuator throttle is going
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post #5 of 7 Old 19th May 2015, 04:48 AM Thread Starter
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Yes I got it fixed but I put a used throttle actuator in bank 1 and I still get the lower test stop code here and there
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post #6 of 7 Old 21st June 2016, 03:20 PM
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What is a lower test stop fault? What is 2B5B throttle valve fault status, bank 1? Is it mechanical or electronic?
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post #7 of 7 Old 21st June 2016, 06:40 PM Thread Starter
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It's a part that your engine has it has one on each side of the engine sides are called banks so bank one I believe is the drivers side! And the if you are getting thoughs codes then your gonna have to replace the actuator a new one is about $1200-$1600 then you have to pay for labour aswell there are a few cheaper ways to replace this part but it takes allot of down time to get the cheaper price unless if you know how to replace the plastic wheels inside the actuator
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