03-12-2020, 10:07 PM | #1 |
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Replaced rear tires only x drive issue?
I'm concerned that with 11,000 miles on my car and 6/32 tread on the front tires and just replaced both rears due to nails in them. Do I need to worry about burning up my transfer case with new tires in tears and fronts being smaller diameter than rears? Should I replace the fronts so I have 4 new tires?
I have the 20" staggered factory set up run flats. I just feel like the car hesitates a touch if I use launch control or go full throttle from a stop. It could all be in my head but wanted to ask if anyone knew facts on this with our cars? Thanks in advance
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2013 535i M, Carbon black 20' 6 M wheels, totaled.
2018 750M , 2013 M5 , Individual Silver, Bolt ons-Straight piped 2019 M550 686BK Black Chrome 20"wheels, filters, Evolve Stage 1, Res delete 2024 i5 M60 Cape York Green |
03-13-2020, 08:47 PM | #2 |
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I've read 3/32nds is acceptable difference. Stock fronts are 680 mm
Rears are 674 mm. So maybe I'm ok with fronts being at 6/32nds and having new rears at 674mm. Still within the 1% variance I believe
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2013 535i M, Carbon black 20' 6 M wheels, totaled.
2018 750M , 2013 M5 , Individual Silver, Bolt ons-Straight piped 2019 M550 686BK Black Chrome 20"wheels, filters, Evolve Stage 1, Res delete 2024 i5 M60 Cape York Green |
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03-14-2020, 07:26 PM | #3 |
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G30's with staggered rims don't have tires with the same circumference, so I wouldn't worry about it. Here's the 19's and 20's staggered front/rear the 540 xDrive:
Specification Sidewall Radius Diameter Circumference Revs/Mile Difference 245/40-19 3.9in 13.4in 26.7in 83.9in 755 0.0% 275/35-19 3.8in 13.3in 26.6in 83.5in 759 -0.5% Specification Sidewall Radius Diameter Circumference Revs/Mile Difference 245/35-20 3.4in 13.4in 26.8in 84.0in 754 0.0% 275/30-20 3.2in 13.2in 26.5in 83.2in 761 -1.0% Last edited by runbuh; 03-14-2020 at 07:31 PM.. |
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03-15-2020, 07:34 PM | #4 | |
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Quote:
Thanks for response
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2013 535i M, Carbon black 20' 6 M wheels, totaled.
2018 750M , 2013 M5 , Individual Silver, Bolt ons-Straight piped 2019 M550 686BK Black Chrome 20"wheels, filters, Evolve Stage 1, Res delete 2024 i5 M60 Cape York Green |
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