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04-12-2013, 09:42 AM | #45 |
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Great write up ... Thanks for taking the time to post this DIY write up
Hope it will make the Sticky list above
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Life will take us to some interesting places, fortunately The ///M3 will too with a many of us know this very well, now my C6.3 AMG with 487 HP does it too ---> Click here for some good stuff I found Last edited by Mr. ///M3 RD; 04-12-2013 at 09:58 AM.. |
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04-12-2013, 11:42 AM | #46 | |
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Great thread.
I complained to BMWNA as this happened to me after my warranty went out. After about two weeks of stressful negotiating, the dealer gave me a goodwill price that was significantly better than the initial estimate. I have a feeling that we are going to see a lot more of these Throttle Actuator issues on higher mileage e9x V8s as time goes on. If anyone is looking to buy a used M3, it is best to look into whether this work has been done on the car they are considering. Quote:
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2007 GT3 Clubsport w/CGT buckets in Scotland 2003 CSL, SG, Alcon BBK SOLD 2002 M5, SSII/Blk and bone stock. In storage back home in TX 2008 M3, AW/Blk 6MT, lots of track stuff SOLD Last edited by JC919; 04-12-2013 at 11:52 AM.. |
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04-12-2013, 02:01 PM | #47 | |
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As you can see, the DIY really isn't all that hard to do. Btw, when limp mode came on for me, it never went away and I read the codes as soon as I got home.
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04-12-2013, 02:32 PM | #48 | |
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I was at 40K miles and about two months out of warranty. After some back and forth the dealer agreed to goodwill the part if I paid for the labor, however, they would not simply goodwill the part and let me take it home for a DIY. I went ahead and just let them do it since the labor cost was roughly the same as the part cost on that particular job. |
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04-15-2013, 11:00 AM | #49 |
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I am about to jump into this today (finally got some nice weather here in MI).
So, the only questions I have are about clearing the codes. First off - is the BT tool the only known-to-be-reliable way to clear the proprietary BMW codes, or is there something simpler/cheaper? The BT tool looks and sounds great, but I just want something quick for now. Secondly, suppose I don't clear the codes right away. Will the car remain in limp mode, or will it realize that the actuator is replaced and attempt to allow the car to function normally? I will want the codes cleared out asap, but, unless I can just go buy a cheap ODBII scanner at Costco to do the job, its not going to be possible to do that today. And I'd really like to know by EOD if I have accomplished the repair successfully. Thanks all. |
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04-15-2013, 11:09 AM | #50 | |
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04-15-2013, 11:18 AM | #51 | |
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Although I am a software engineer, I admit to not knowing jack-sh*t about the many CUs in cars and related tech. I guess it is time to change all of that. |
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04-15-2013, 11:21 AM | #52 | |
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Might be worth popping over to Advance though, could save yourself $300 by not buying the BT tool, if it works. Good luck!
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04-15-2013, 02:06 PM | #53 |
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W///, if you are online, how do I disconnect the ball joint from the actuator? Actually, its probably easier to disconnect the top one from the throttle bodies first. I have pried at it a bit to see if it will come relatively easily, but it seems pretty tight. I am nervous about bending the arm or the linkage.
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04-15-2013, 02:11 PM | #54 | |
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PM'ing you #. You can reach me there for a quick answer in case you get stuck
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04-15-2013, 10:56 PM | #55 |
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Success!
Thanks for all your help, W///. I got her all sewed back up earlier this evening. I fired her up and low and behold all systems go and limp mode gone. Codes still need to be cleared (CEL still on), but otherwise no issues. I'd love to know what's up with these failing though. The old servo seems fine. I wonder if the sensor is just too sensitive. I mean what's so bad if the throttle linkage has a tiny bit more play than it did originally? I guess since its drive by wire with no backup they have it dialed in with very low tolerance to be safe. I did notice that the original part had "Siemens" stamped on it while the replacement doesn't. I wonder if they switched suppliers. Anyway, I am keeping the old one in case there's a fix later or a recall. It seems a shame to toss what is probably a 99% good part. |
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04-16-2013, 06:47 AM | #56 | |
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We can only hope for a recall but I wouldn't count on it. The E60 M5 guys have been having this problem for a while (longer than us anyway) and still no news. But maybe someone in the aftermarket scene will be able to refurbish these, so definitely not a bad idea to hold on to them. I actually took mine apart to look inside and just never put it back together. P.S. Glad to hear limp mode fixes itself. That's big plus for people that need their car back quick.
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04-16-2013, 09:13 AM | #57 | |
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In the initial estimate, they also quoted me for a new DME if necessary. While I don't think that will be needed, I want the piece of mind that if it needs to happen BMWNA will give me a free DME under the 8 year/80k warranty for that part. Plus, they will do all the coding to ensure the issue is completely resolved. Regarding mileage; I have heard of this happening in a couple e9x and e39 V8 motors not long after the car was initially delivered. However, its baffling to me how I can get 58k out of the car before I experience any problems. My e39 M5 has almost 53k on it and I really hope that I don't have this issue again, because I don't think I'll be able to negotiate any more goodwill deals until I buy a brand new BMW. I drove my M3 for the first time in two weeks this morning when I took the car to the dealer to have this work done. When started it didn't throw up any CELs and drove an usual to the dealer. I shut the car off at the dealer, promptly started it back up and the various CELs went off.
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2007 GT3 Clubsport w/CGT buckets in Scotland 2003 CSL, SG, Alcon BBK SOLD 2002 M5, SSII/Blk and bone stock. In storage back home in TX 2008 M3, AW/Blk 6MT, lots of track stuff SOLD Last edited by JC919; 04-16-2013 at 09:22 AM.. |
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04-16-2013, 10:44 AM | #58 |
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I didn't understand that part. What is baffling about it? It seems logical to me that parts will fail as they age and get more use. Granted these are failing earlier than one would hope and expect, but it certainly is not the first time we've seen this type of scenario.
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04-16-2013, 03:10 PM | #59 | |
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Either way, in my mind this is a design flaw with these BMW V8s and I am happy to at least not be paying for the parts because the quote I recieved for each bank was atrocious.
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04-16-2013, 09:38 PM | #61 | |||
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04-16-2013, 11:15 PM | #62 | |||
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And also, this is not just a V8 problem. The V10's use the same actuators and have had the same issues too. Quote:
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04-17-2013, 06:01 AM | #63 |
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Guys, please do not assume that I am doubting the strength of this engine. I merely feel that BMW should cover the cost for these parts since they are a well known weakness among M derived engines. My initial estimate was along the lines of $3,800 and I ended up paying $800 for just the labor.
Hopefully this thread will serve to get the word out. BMWNA will cover the cost of these parts if you push them, however, the dealers being dealers will try to stick you for the max. I could have DIY'd, but as I stated in a previous post, if in the slim chance that a new DME is needed, I want BMWNA and the dealer to eat that cost.
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04-17-2013, 06:36 AM | #64 | ||
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Based on my experiences (which I admit is a small sample space ), yes that appears to be the case. It immediately makes me wonder about the M5/M6/V10 crew. How many of them have done this swap in the garage I wonder? And have any of them been able to do it with no OBDII tools?
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04-17-2013, 06:45 AM | #65 | |||
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04-24-2013, 02:55 AM | #66 |
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Throttle Body can bus fault
Hi this is my story, I have a trouble with my throttle body. The actuator retail price is 1500$ and 4 hours for labor in Canada . Very expensif so I decide to buy a use one from england on ebay. My mechanician replace it and I have again the limp mode with the error can bus bank 1 throttle body.
I have this problem just when I start my M3, sometime I dont have this limp mode. This is an intermittent problem, but I am very tired. I take this 5 pictures from my cluster. I need some help. Could you tell me when you have problems with the throttle, do you have the same alarme on the cluster. Excuse my english, I'm french canadian. So I have 5 check engine in my cluster when the limp mode come and my rpm cutt off a 3500. check the picture below. Thanks a lot Last edited by breakey12345; 04-24-2013 at 07:57 AM.. |
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