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BMW 3-Series (E90 E92) Forum
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M3 vs Non-M Front Subframe
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05-21-2019, 06:57 PM | #1 |
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M3 vs Non-M Front Subframe
I have found lots of information on the REAR subframe differences, but nothing on the front. Are the suspension mount points all in the same position and the only differences clearly visible (bar under engine, integrated bracing to right behind the front wheels)?
I have an entire M3 worth of subframes/arms/diff/axles/uprights/coilovers going under my 325i and it turns out the M3 subframe is tweaked a bit, so I'll just run the 325i unit if it's dimensionally the same. Thanks in advance Cheers, Justin |
05-26-2019, 09:22 PM | #3 | |
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I am installing a V8 but not the M3 lump. I'd rather keep the N52/54 subframe in case I ever want to make the car CCA legal. Thanks. |
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12-24-2019, 09:46 AM | #5 | |
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12-24-2019, 02:56 PM | #7 | |
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You would want a 1M subframe. Has anyone actually confirmed that the pickup points are all exactly the same? OP can you verify that? |
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12-24-2019, 07:46 PM | #8 |
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12-27-2019, 10:44 PM | #9 |
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12-31-2019, 05:39 PM | #11 |
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The "upgrade" is the solid panel that reinforces the subframe:
It won't fit non-M subframes but I replicated it by using the same mounting points for my own bracing. It reinforces the tension strut and wishbone mounts. It was more of an experiment but I couldn't believe the difference it made. Biggest surprise was the reduction in NVH gained from the M3 arms. The factory underbody panel still fits too. Last edited by The Nightman; 02-12-2020 at 12:25 AM.. |
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feuer4282.50 ornicar139.00 tetsuo1111237.50 Justin Daniels56.50 Biginboca3783.00 DLag30106.00 bimmermech12367.00 E92only82.00 |
12-31-2019, 09:20 PM | #12 | |
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The OEM answer could be the V brace from E88, no? https://www.1addicts.com/forums/show...751&page=2 |
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01-01-2020, 02:29 AM | #14 | |
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there is a specific underhood for the E88 |
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01-09-2020, 10:26 PM | #15 | |
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01-10-2020, 11:32 PM | #16 |
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The stock black bracing interferes with the rear mounting points of the M3 plate. The stock brace cannot be removed because it connects the non-M subframe to the chassis. The M3 subframe is directly mounted to the chassis.
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01-12-2020, 04:51 PM | #17 |
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Gotcha. Are the inserts already there for the M3 brace or did you insert your own? Or nut/bolt it?
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01-13-2020, 12:21 AM | #18 | |
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https://www.fcpeuro.com/products/bmw...ut-07147199279 |
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01-25-2020, 06:25 AM | #19 | |
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Thx |
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07-22-2020, 11:34 AM | #21 | |
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Do you know why 1 series E82 don'h have this V black bracing? My idea is that maybe we (1 serie owners) could fit the thorough M3 Reinforcment plate (without cut). It would be great Thanks |
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07-22-2020, 11:43 AM | #22 | |
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For information the brand of this Nut is Bolhoff RIVKLE HRT You can buy it for cheaper than at BMW. https://eshop.boellhoff.de/en/Riveti...ce-Thread.html |
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