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Walter Skinner



Member Since: 02 Oct 2019
Location: Varna
Posts: 60
Bulgaria 2019 Range Rover Autobiography 2.0 PHEV Barolo Black
P400e downsizing to 20". Will Disco5 rims fit?

Hello everybody! Surely 21s look good, but I need a bigger sidewall for the place where I live. So I decided to go to the smallest possible for p400e wheels - 255.55.20 Scorpion Zero AS LR PNCS

Can someone please advice though... Back in the l322 td6 days I remember changing rims size required air suspension calibration. Will I have to do it in l405?

Another question relates to the pressure. Sticker on the door says 2.3 front & 2.5 rear for 255.55.20, but TMPS system in the car when set to light load expects (2.4) front and 2.8 rear, so something does not match well...

Would appreciate your responses!

Last edited by Walter Skinner on 20th Sep 2024 3:06pm. Edited 1 time in total
Post #700338 18th Sep 2024 5:22pm
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dingg1



Member Since: 29 Jun 2013
Location: PORTUGAL
Posts: 1345
2007 Range Rover Vogue SE 4.2 SC V8 Stornoway Grey

Stop worrying, just drive the thing.

A slight change in wheel/tyre size isn't going to be an issue, and 4 psi change in tyre pressure is nothing to worry about đź‘Ť
Post #700340 18th Sep 2024 5:32pm
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Walter Skinner



Member Since: 02 Oct 2019
Location: Varna
Posts: 60
Bulgaria 2019 Range Rover Autobiography 2.0 PHEV Barolo Black

But it will scream the warnings all over the dash, thats my concern Smile
Thanks for response!
Post #700342 18th Sep 2024 5:39pm
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stan
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Same rolling diameter so it will be ok. ... - .- -.




Y. O. L. O.
.
Post #700345 18th Sep 2024 5:51pm
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Walter Skinner



Member Since: 02 Oct 2019
Location: Varna
Posts: 60
Bulgaria 2019 Range Rover Autobiography 2.0 PHEV Barolo Black

Gotcha, thanks! And yup, forgot to mention I'm rolling on 275.45.21 now. Online calc says its within acceptable values.

Post #700350 18th Sep 2024 6:14pm
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Walter Skinner



Member Since: 02 Oct 2019
Location: Varna
Posts: 60
Bulgaria 2019 Range Rover Autobiography 2.0 PHEV Barolo Black

Ok, before I proceed, can someone confirm that Discovery 5 rims are safe to use? I don’t know much about load allowances, and p400e is a heavy beauty. For the lack of better options, I’m planning to get HY32-1007-RA, but there’s no “maximum load” specified…


Post #700493 20th Sep 2024 3:09pm
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