04-20-2024, 04:39 PM | #47 |
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Hi all.
Like the OP, I’ve got the F97 x3m, and it’s time for new brakes. I opted for the isweep pads, which seems to eliminate a couple of my rotor choices (looking at you Zimmermann). The dealer pricing is insane. The SHWs are out of stock most places I look. And even the Dynamic Frictions linked in the thread aren’t available. Anyone have any suggestions or links to front and rear rotors that won’t make me puke at the price tag? (Unrelated but definitely related, I’ve got a pair of brand new left/right Zimmermann z coat rotors that sources say fit the f97 but Zimmermann says aren’t compatible with my isweep pads, if anyone is interested.) |
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04-20-2024, 07:27 PM | #48 | |
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https://www.rockauto.com/en/moreinfo...t=1896&jsn=927 They're there. These are the flat rotor X5 identical to the X3Ms. If you want drilled https://www.rockauto.com/en/moreinfo...=1896&jsn=1065 EDIT: try pinging rgsport for the SWHs https://www.rgsportshop.com/index.ph...hw+brake+rotor Last edited by TacosRule!; 04-20-2024 at 07:33 PM.. |
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04-26-2024, 11:55 AM | #51 |
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Did you do the rears as well? I’m only seeing rockauto list the fronts for our vehicles but not the rears? And I agree the DFC (now R1 concepts) are a great set of pads and rotors..
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05-12-2024, 11:47 PM | #53 |
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Just to add my two cents here—If you can fit a regular non-drilled rotor, that’s great, but honestly, it might not work as well as you’d hope.
The M rotors use a two-piece design, which is super cool for handling the heat. They're mostly iron, not steel, which I think is for better heat tolerance when you’re really pushing it. But yeah, they rust like crazy if they get wet. Its not due to the drilling. This two-piece setup is pretty slick because it uses a lightweight aluminum hub to cut down on weight and it’s connected to the iron disks with pins that let the disk move a bit. This means no warping or shaking when you brake hard. I'm really jealous of your six-pot upgrade, but I think switching to solid disks might not be the best move. You might end up warping them after a few intense drives. I was surprised BMW went with solid disks on the XM, maybe it’s because of the regenerative braking. I’m in Canada, where it’s cold and WET, often, but it's not too bad since the rotors get hot enough to dry off any snow or moisture while driving. The key is to not leave them wet after a wash—like that saying goes, "drive it hard, but don’t put it away wet." I even put a dehumidifier in my garage to keep the rust off. |
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05-13-2024, 09:09 AM | #54 | |
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On a side note, I've spent quite a bit of time in the absolutely beautiful country of Canada, I grew up in Seattle loved Victoria and all of BC, don't tell anyone in Okanagan that it's cold or wet, they will laugh at you I've tried various isweep "type" pads, there are many aftermarket pads out there that are similar not necessarily for the X3/4M but for most all other BMW models, I've used them on my cars mostly for price and brake dust management, but I've found in the cold they almost never bite as hard as the factory stock pads do |
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05-14-2024, 02:58 AM | #55 | |
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05-14-2024, 06:24 AM | #56 | |
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I've found these pads in general to be fine but not spectacular, they use various level of ceramic to reduce dust but are heavy on their marketing promise and packaging. Ultra cold weather performance is typically where I feel the performance drop off with them. |
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05-14-2024, 02:15 PM | #57 | |
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1998 E36 M3 - Totaled
2003 E39 M5 - Gone but not forgotten 2011 E90 335i M-Sport - Daily Driver 2017 F87 M2 - Sold & missed 2020 F97 X3 M Competition - Finally arrived /// |
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Mnfamilyguy2020136.00 |
05-14-2024, 02:28 PM | #58 |
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The 2000s will have a better initial bite, and not degrade much, if at all, in the cold. Been using them for almost 3 years now
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Kevin_The_Clean13385.50 TacosRule!668.00 |
05-14-2024, 04:10 PM | #59 |
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I can't wait to finally install mine. I bought the 2000 pads a long time ago but life got in the way. They're literally collecting dust now (no pun intended). If my memory serves me right, you were the one that pushed me over the edge (in a good way of course) & encouraged me to finally get them. How many miles on your 2000 pads currently & have the relatively low dust levels been maintained on them so far... ?
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05-14-2024, 05:51 PM | #60 | |
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I have about 10k miles on them now, and yes they are still dusting the same small amount, and the bite is still what it was when new. No change in my strong recommendation. I hear you on the life getting in the way, but hope it's in a "good" way
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