07-07-2020, 12:56 PM | #67 |
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265/295 on an x3m comp
Is anyone running 12mm spacers with the 265/295 ps4 setup? If so, any issues with handling or road noise that you care to share? Extra credit if you are running on mss springs with a 1 inch drop.
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07-07-2020, 01:09 PM | #68 | |
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Do you know if this tire setup will work with 15mm spacers f/r?
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Mods: BM3Tuning x Paul Johnson Tunes Custom Full E85 stage1+, MSS Adjustable Springs, AutoTeknic Matte Black Paddle Shifters, RG Front paint-matched reflectors, H&R 15mm F/R Spacers. IG: _x3M_Competition |
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07-07-2020, 07:48 PM | #69 | |
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But, if you meant on the stock wheels, I have no idea if it will poke out or not with 15mm spacer.
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08-14-2020, 07:44 AM | #70 |
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If anybody is curious... 265/295 is the same size tire the 2020 Mercedez Benz GLC 63 uses.
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Last edited by Kevlar; 08-14-2020 at 08:27 AM.. |
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08-17-2020, 12:45 AM | #71 |
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I’m about to do this with Michelin’s. Any effect on mpg and handling~ like understeer?
Wheel size fits fine, our 21” wheels are the same size as the Glc63 so I am not sure why BMW decided to go so narrow. I had swapped 295 rears on my 275 f80 and just all positives, no negative effects on mpg, plus tire wear improved because the tires were not so stressed.
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08-17-2020, 06:47 AM | #72 | |
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And in the M Division interview also shared previously ( bmw-m.com/en/topics/magazine-article-pool/how-bmw-m-tests-in-the-wind-tunnel.html ), Dr. Alexander Hennig states, "The basic aerodynamic shape of the bodywork has improved continuously in recent decades. This makes other factors, such as the aerodynamic optimisation of the underbody and the aerodynamic design of the rims, tyres and add-on parts, all the more important today. It is in these areas in particular that much more detailed aerodynamic work is being done today than in the past." Undoubtedly the goal of the M Division is to settle on main performance roles each model will have, then maximize the aerodynamics within the framework of aesthetics (which surely demands compromises from both sides). Seems our F97/98 models were designed for high speed long track/Autobahn use and not short courses with tight turns like the M2 (where wider tires and fender flares become more important). Makes sense considering the higher CG associated with SUV/SAV designs. In that Interview they talk about mm tolerances in their design, so I strongly suspect this wheel/tire/arch design is the one that provided the best aerodynamics. They could have easily designed around the the 265/295, and I would bet the design folks surely requested such for the aesthetic, but the aerodynamics must've proved substantially different for a strong argument to be made for the sizes provided on our production models. All speculation, but I trust M Division's logic was sound and didn't occur by happenstance. |
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08-17-2020, 02:59 PM | #74 | |
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Van Meel's first M is the X3M. https://www.autocar.co.uk/car-news/i...formance%20arm.
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08-18-2020, 07:23 PM | #75 | |
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08-18-2020, 07:41 PM | #76 | ||
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08-19-2020, 07:50 AM | #77 | |||
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10-13-2020, 09:17 AM | #78 |
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Pirelli A/S Plus on 20"
so just wanted to check back in on this. Winter is coming in Michigan and thinking about putting Pirelli A/S on my non comp. I have 20's so I am assuming the 265 & 295 setup in 20's would also not have any issues on stock setup? Thanks.
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05-20-2024, 03:02 PM | #79 | |
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The problem I’m having now with these stock tires they break traction so fast like for example I’m on the highway and I floor it it skids and gets wobbly |
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