07-15-2021, 10:56 AM | #1 |
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brought Pilot sport 4 S, need help
I got all season 19 inch rims from the factory and I believe all 4 tires are 225,
I just brought 4 pilot sport 4s and the front two are 225/40/19 and back two are 255/35/19, will these fit my car and my rims since I got all season run flats from the factory |
07-15-2021, 01:19 PM | #2 | |
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Note: Usually BMW (or any manufacturer) wouldn't build their AWD cars with staggered setup unless the car's transfer-case is designed for such setup. Overall radial/diametrical variation over front and rear axles impacts car's transfer-case.
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07-16-2021, 04:32 AM | #3 |
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For what it's worth, in regards to the AWD staggered setup, my 2019 3030i X-drive M-Sport came with a staggered 19" setup from the factory. *edit* I forgot to say these are Bridgestone RFT summers.
791M wheels Front: 19x8 - 225/40-19 Rear: 19x8.5 - 255/35-19 Tire size calculators show the rolling diameter to be essentially the same. The difference is in the width which is off about 12% or 1.1". That said, I'm pretty sure a 911GT2 or Turbo isn't running a square setup... Last edited by helmet91; 07-16-2021 at 04:43 AM.. |
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07-16-2021, 10:55 AM | #4 | |
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I was told by the dealer my 330i xDrive with dynamic handling pkg will have non-staggered setup. Expecting the delivery sometime soon. I'll have to check on this one then.
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07-17-2021, 06:26 PM | #5 |
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This would surprise me if your dealer was correct. The pricing guide lists three different wheel & tire options in the dynamic handling pkg, all with 791M staggered wheels and staggered tires...
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07-18-2021, 12:42 PM | #6 |
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BMW does not do a good job of defining the tire and wheel packages, and even tire rack is confused . At one point they only listed staggered 19” online for the M340, but many cars on the lot had the 19” square setup.
My 2021 M340i with 19” 792M wheels came with all season run-flats and they are square 225/40-19 Pirelli P7’s. However, apparently some M340’s (maybe the go-flat option) come with the same wheels in a staggered setup. I have not found any clear documentation of which wheels come in square vs. staggered. |
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07-20-2021, 11:50 PM | #7 | |
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You can also check with the build sheet or Monroney sticker for the cars on the existing lot for the specific build code. For example from the pdf: ZTK Cooling and High Performance TirePackage 1PN - 19" M Double-spoke jet black wheels,style 791M w/high-performance non rft(style 791M) or1PV - 19" M Double-spoke cerium greywheels, style 792M w/high perf. nonrun-flat 33T - M Technology package Then you go down to the section wheel overview section where it says code '1PN' likewise with 1PV If you custom order, and want this performance package double check the code is correctly ordered in this case: code ZTK package code 1PN Morale of story, don't trust dealers do research first. show them what you want. Last edited by WXdrivefun; 07-21-2021 at 12:15 AM.. |
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07-21-2021, 09:05 AM | #8 |
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I did not realize that the BMW PDF info posted included 3 series specs, since the document started out with info on the 2 series. Very good information.
I also figured out how to get the tire rack config tool for the M340i to list you square vs. staggered tire sizes. If you select “run-flat” it will show you both square and staggered tire choices for both 18” and 19”. If you select “standard” it will only list the 18” and 19” staggered tire setup. Although you select either tire option on the first screen (run-flat or standard) you can still list both go-flat or run-flat tires when you look at the details. |
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07-23-2021, 10:48 PM | #9 |
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You're right! I believe the sales person at the dealer misinformed me. After quite a bit of thorough research I found find out with the options I ordered the car will have (19x8.0 w/ 225/40 R19 & 19x8.5 w/ 255/35 R19) staggered setup.
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