02-27-2019, 08:34 AM | #1 |
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21” aftermarket rims in M6 GC 2015 plate
Hi all,
i’m in the market for a good 2015 upwards M6 GC, but want to change the alloys almost immediately as i know if i leave it too long i’ll never get around to it. Does anyone know if 21” fits without problems? if so anyone got any pics with wheel specs and offsets? thanks in advance MJ |
03-24-2019, 02:28 PM | #5 |
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03-25-2019, 01:52 AM | #6 |
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21x9.5 with 265/30/21 and 21x11.5 with 305/25/21, stock height. Ask me on any random given day, and I may or may not want to lower a little bit. I also want go with 325/25/21 on the 11.5" rears when I have to replace, as that there is a little bit of stretch with the 305.
They were 3 piece ADV1s that I rebarreled wider from originally a regular 6 series fitment, so have to calculate offset. However, I do recall ordering a 1/2" wider front outside half, and a 1" wider rear outside half. It sits perfectly, if maybe a few mm conservative in offset, but I'm more at ease with the thought of running wider tires (and if I lower) when it comes to time to replace the Michelin PSS with 4S, which will probably be the 275/30/21 and the aforementioned 325 rear. |
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03-27-2019, 07:28 AM | #8 | |
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03-27-2019, 07:31 AM | #9 |
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Again, looks amazing, do you guys know the wheel weights for the alloys plus tyres you have on? I'm wanting to find out how much the stock 343m wheels weigh with the tyres and then compare those to the weight of wheels i decide to put on. It seems that hardly anyone will tell me the weight of an alloy if i ask for 11" wide 21" alloys in a specific style or 11.5" etc.
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03-27-2019, 02:58 PM | #10 |
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343m are 11.4kg front and 11.9kg rear
I would go with 11.5" or 12" wide for the rear and run 325/25r21 PS4S tyres.
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03-29-2019, 01:54 PM | #11 |
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I have 275/30/21 on the front and 325/25/21 on the rear. No idea the weight of my rims. There 3-piece HRE's so imagine they are lighter then stock.
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05-20-2019, 10:49 AM | #12 |
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Couple questions as I am new to owning a Gran Coupe:
1. Does the Coupe and Gran Coupe have the same offset requirements? 2. Does ANYONE know their offsets? The reason for both questions is because I have only found a couple offsets listed and they are on coupes not GCs. I fully plan on going 21x12 rear (325), and 21x9.5 front (275). For the 21x12, I have seen an +18mm offset as a nice aggressive fit. For the 21x9.5, I have seen +12mm. These were per kris1858. HELP! |
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05-20-2019, 02:22 PM | #14 | |
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05-22-2019, 12:19 AM | #16 | |
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If weight is important to you, stay away from multi-piece wheels, especially three piece wheels held together with bolts. They add to the weight. Stick with monoblock, forged wheels such as: https://www.bcforged-na.com/monoblock/ |
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06-20-2019, 02:26 PM | #17 |
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Vossen HF3 in 9.5x 21"offset 28, and 11 x 21" offset 18, with 265 and 305 tires.
Fits without any problems -rims were produced for my car H&R front spring kit, rear original. Chris |
06-20-2019, 03:49 PM | #18 | |
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Does it feel "weird" at all? Asking for a friend... |
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06-21-2019, 05:48 AM | #21 | |
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they are carbon made from Vorsteiner Thanks |
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06-21-2019, 08:23 AM | #22 |
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Awesome car, looks amazing!
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