10-07-2023, 09:03 PM | #1 |
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Flex disks (guibos/giubos) are different sizes?!?
FCP Euro and RealOEM both have the front and rear flex disks as part BMW-26117610061, so I ordered two of them. Well... the front-most guibo is a different size/part. It is 26111229360 (1229360 is stamped on the part). This is on my 2018 M550i. I can't find this confirmed anywhere on this site, the FB groups, or through google. Am I completely nuts?
These are the two I removed. The left is the front one, the right is the rear one connected to the diff. They're different diameters, so surely it has to be right, just a little crazy that this info isn't posted anywhere.
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01-22-2024, 02:46 PM | #4 |
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Reviving this as I’m going to be replacing the rear one, and since the exhaust and plating etc will be down I figured to bang out the front one too.
There’s absolutely no info regarding a separate part number for the front one. Everywhere I read it’s as if both are the same part number. Has anyone replaced the front one since? https://www.realoem.com/bmw/enUS/sho...diagId=26_0292 |
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01-22-2024, 03:12 PM | #5 | |
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I’d consult the dealership parts department and share the details if no one is able to provide them beyond what OP shared. |
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maDjzo861.50 |
01-22-2024, 03:12 PM | #6 |
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https://www.fcpeuro.com/BMW-parts/54...b=5&d=15456&v=
One is "rear forward" and one is "rear rearward." Dumb naming convention, but they are definitely different. |
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01-22-2024, 03:20 PM | #7 | |
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01-22-2024, 03:23 PM | #8 | |
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BTW, Meyle makes theirs in their proprietary "HD" standard, supposed to be more durable. No one has reported if this is the case or not. When it comes time, I intend to use them, over the factory version. I have had good luck with their thrust arms on my E39, their solid rubber bushings last three or four times what the fluid filled Lemforder oem ones do. https://www.fcpeuro.com/products/bmw...d-3141523102hd https://www.fcpeuro.com/products/bmw...le-26117610061 About Meyle HD The MEYLE HD brand is a subsidiary of Wulf Gaertner, a firm established in 1958 that at the time just exported and traded original equipment spare parts on a small scale. Today Meyle offers over 17,000 top-grade automotive spare parts including the "MEYLE HD" line, not to be mistaken for the "Meyle" line. While Meyle is a quality aftermarket parts option, Meyle HD goes further than the original OEM part by determining the root cause of failure and improving the design to make it more durable. Whether they increase the size of a ball joint, re-design its socket, or add in high performance synthetic grease, you can be sure that Meyle has done their due diligence to improve the replacement components for your European Vehicle. Last edited by 430Scud; 02-03-2024 at 01:37 PM.. |
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01-22-2024, 03:31 PM | #9 |
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I've yet to see a report of the front guibo cracking, but many just go ahead and replace anyway while having the rear done.
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01-22-2024, 05:00 PM | #10 |
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I replaced the rear one in my wife's 2018 540I pretty easy job exhaust comes right down . Her front one was fine still looked new 60k . also replaced the bolts and nuts along with the giubo. I got the parts from FPC Euro { Bilstien }
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01-22-2024, 05:33 PM | #11 |
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What are the symptoms of a cracked Guibo plate ?
I'd imagine a bad vibration, but would like to know for sure.
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01-22-2024, 05:52 PM | #12 |
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Vibration especially under acceleration from what I understand. I’ve had a vibration in the car for a few months, got worse after I mounted my winter setup. 2 of the rims have been bent and fixed in the past. I’m sure the wheels are not helping here even though they have been roadforced and balanced. So now I’m tackling the next possible thing and even if it turns out not to be the issue. Having them replaced would bring peace of mind, especially after reading how erratic the timeframes are on these cracking, I’ve read anything from 20k miles to 90k.
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01-23-2024, 07:42 AM | #13 | |
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CPO doesn't cover this, just factory BTW.
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01-23-2024, 01:17 PM | #14 |
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OK so to confirm for anyone needing to replace their Guibos in the future, OP is 100% correct. FCP and other sites have both Guibos listed as 1 part number for Rear - Rearward and Rear Forward on our M550s at least, which is incorrect. I had my mechanic confirm with BMW using my VIN (2018 M550i) as well.
Rear-Rearward OEM (Bilstein OE) Part# 26117610061 Rear-Forward OEM (Bilstein OE) Part# 26111229360 Rear-Rearward Meyle HD (More durable Version) Part# 3141523106HD Rear-Forward Meyle HD (More durable Version) Part# 3141523102HD Rear-Rearward Hardware as per RealOEM Hex Bolt Part# 26117527475 x3 Hex Nut Part# 37106789678 x3 Torx Screw Part# 26118607971 x3 Rear-Forward Hardware as per RealOEM Hex Bolt Part# 26117523708 x6 Self Locking Hex Nut Part# 26127536563 x3 Last edited by maDjzo; 01-23-2024 at 01:23 PM.. |
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01-23-2024, 04:24 PM | #15 | |
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01-23-2024, 04:34 PM | #16 |
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I will yes, I figured if it's meant to be more durable why not give it a shot. The Rear-Forward is same price for the Meyle HD as Bilstein. the Rear-Rear is $35 more for Meyle HD.
Right now Meyle HD Rear-Rear is $107 and Rear-Forward Meyle HD is $63 |
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03-07-2024, 10:11 PM | #17 |
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Update
Rear-Rearfacing had a significant crack, went ahead and replaced both since exhaust, heat shields etc had to come out anyway, figured bang out both. Went with the HD versions. Ride is smooth now, minimal to no vibrations. I felt it most during acceleration. |
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