09-28-2019, 06:47 AM | #1 |
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Remove & Clean Stiffening Plate?
Hello all,
I've recently acquired a 2017 M3 and I noticed while getting under the car that there were a ton of small rocks/pebbles between the underbody plastic and the metal stiffening plate (see #3 here): I plan to roll the car up on my ramps today and was going to remove the plate to get everything cleaned out, but are there any bolt torque requirements or anything else I should be aware of before doing this, since it isn't just a protective cover like most cars? Is it not advised to remove it? I've also noticed a weird noise coming from the left side of the car that sounds like something is loose in one of the door pockets that slides forward when I come to a stop and then back when I accelerate, but nothing is there, so I plan to look under the car for that as well. Thanks in advance! |
09-28-2019, 10:13 AM | #2 |
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The process to remove/install the stiffening plate is pretty easy. You will need to purchase new bolts in accordance with the BMW maintenance procedures though. The procedure is seen here (including torque specs)...
https://www.newtis.info/tisv2/a/en/f...ort/1VnXruk3b4
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09-28-2019, 02:07 PM | #4 | |
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09-28-2019, 02:42 PM | #5 |
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If you want to follow the BMW procedures, yes. They are torque to yield bolts which are designed to only reach their required torque once.
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///M3 COMPETITION 6MT - 2017 F80 Smoked Topaz Metallic
BM3 / MP-HAS / GC Camber Plates / Carbonstructure Interior X7 XDrive 40i ///M-SPORT - 2020 G07 Arctic Grey Metallic X3 XDrive 30i - 2019 G01 Mineral White (wife's) / 128i 6MT - 2009 E82 Jet Black (son's) |
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09-28-2019, 02:43 PM | #6 |
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10-03-2019, 04:56 AM | #7 | |
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10-30-2019, 05:41 AM | #8 |
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Txipi84 and others -
I wanted to post here that I mentioned this noise to my dealer today while getting maintenance done (oil change, spark plugs, air filters) and they solved the mystery! There is a slatted cover to a vent system beneath the driver's seat. Coins can get down in there, and in my case the previous owner left me a dime and a penny in this area that were sliding around and you could hear them when decelerating / accelerating. Mystery solved, for me anyway. |
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10-30-2019, 08:04 AM | #9 | |
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11-07-2019, 09:33 AM | #11 |
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