04-16-2021, 03:37 PM | #1 |
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Rear Knocking Noise - Dealer refuses to replace sway bar - pls help!
Hi Friends -
So my ride is exhibiting the rear knocking noise. I took it to the dealer and shared some threads here online and they replaced the bolt in the sway bar and torqued it to 100nm. Noise is still there. Looks like it may need new sway bars to resolve this issue. The dealer refuses to perform any more warranty work because the car is lowered. I kind of remember there were members here with lowered rides and sway bars replaced. Is there anyway you can share with me the work order from BMW or share some insight into how you were able to get the sway bar replaced. Any documentation or talking points welcome! Thanks in advance!
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04-16-2021, 04:24 PM | #2 | |
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04-16-2021, 05:30 PM | #3 |
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Thank you. Will try another friendly dealer 45 mins away.
In the meantime here's my service order.
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04-16-2021, 06:22 PM | #4 |
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What conditions do the noise come up? Just xurious
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04-16-2021, 07:22 PM | #5 |
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If it is aftermarket and it seems BMW has documented that fact you are pretty much out of luck. It will be up to You to Prove different. Been there done this one with two different manufacturers.
This is the long and short of it.
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04-17-2021, 07:56 AM | #6 | |
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They read the SIB but didn't follow instruction. Do a socal trip, and I'll fix it for you. Not all BMW tech created equal. I don't care how everyone are screaming about equality these days. Lol.
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04-17-2021, 08:02 AM | #7 | |
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"Oh, it has aftermarket part. It must be it." I got multiple customers that came to me because BMW dealership "tech" gave them that answer. And guess what, the problem wasn't even related to the aftermarket parts. It is like seeing your partner with another person that you don't know, and you decided to blame them for cheating with other person without even investigating.
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04-17-2021, 09:25 AM | #8 |
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Turning left and right below 10mph
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04-17-2021, 09:46 AM | #9 |
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I assume you lowered it just on springs
If in the back may want to just change out the stock end links to adjustable sway bar end links. That’s should pretty much solve the problem
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04-17-2021, 09:51 AM | #10 | ||
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I'm actually planning on driving from Thermal (Palm Springs) to Big Sur in July and you're literally off the freeway route so might take you up in that offer. Was planning on taking the x6m on that trip anyway.
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04-17-2021, 01:25 PM | #11 | |||
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04-17-2021, 01:38 PM | #12 | |
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Aftermarket parts give the manufacturer quite a bit of latitude blaming the said parts, know that is not what modders like to hear but that is the way it is. Not going to fool with my new X5 M. My 748hp at the rear wheel C7 Z06 that has had extensive engine modifications about 15k worth that I made. Killed anything related to the powertrain warranty and I knew that. With the new crackdown by the EPA and CARB on the people who manufacturer, sell and install the parts/software that violate the Clean Air Act those days sadly are over for me. Yes I know this example is not engine related however, just know you are at a higher level of risk when you start changing things beyond "factory parts" when you expect warranty work. It can be a real pain to convince them otherwise. Been there done that many times over the last 35 years.
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04-19-2021, 06:31 PM | #13 |
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Thanks to you guys, Service Bulletin 33 02 21 is what is being done to my car as well, my dealer had zero issue doing it.
My SA confirmed this afternoon. |
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04-20-2021, 10:05 AM | #15 | |||
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05-20-2021, 05:01 PM | #16 |
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Quick update here, had my local shop install the shims that r33_RGSport provided and now the knocking noise is gone! I'm so happy I don't have to listen to that anymore.
Thank you so much Ben!
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05-20-2021, 05:37 PM | #17 |
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Glad I can help remotely.
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05-20-2021, 06:09 PM | #18 |
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05-20-2021, 06:14 PM | #19 |
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05-21-2021, 10:37 AM | #20 |
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I would go back to this dealer with the bill showing what they have done and give them SHIT.
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r33_RGSport12915.50 |
05-21-2021, 11:40 AM | #21 |
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I'll mention it to them. Hopefully they'll help other folks out who have this same issue.
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05-22-2021, 11:22 AM | #22 | |
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