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Greetings from new 3.0si owner!

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Zedebee
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Greetings from new 3.0si owner!

Post by Zedebee » Mon Jan 09, 2023 7:33 pm

Ferruccio wrote: Mon Jan 09, 2023 5:24 pm Thanks Zebedee, what does that entail buying in layman's terms?! I'm guessing et30 is something related to offset? I'm not too clued up on wheels so any point in the right direction would be welcomed 😁
Et30 is the offset, but probably not a huge consideration for a spare wheel. You would do OK to start on eBay looking for a BMW space saver with the same tyre dimensions as stated. Make sure the bolt pattern is 5 x 120.
Or you could buy new from a BMW dealer or buy new from an aftermarket provider, but both those options will be quite expensive.
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Post by Mr Tidy » Mon Jan 09, 2023 9:46 pm

Hi and welcome to the forum with your lovely 3.0Si. :thumbsup:

Whatever space-saver you get it will need to be at least 17" diameter to clear your front brakes. I had one for my 2nd Coupe that came from an E46 3 Series, but only 330i and 330d had 17" ones as they had the bigger front brakes like the 3.0Si.

Don't forget you'll need a jack and wheel-brace too and if you ever use the space-saver you'll need to put a full-size wheel in the boot!
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Greetings from new 3.0si owner!

Post by Beatman » Mon Jan 09, 2023 9:57 pm

Hi and welcome :thumbsup:
My Car- 2004 3.0se sterling grey, mv3s , satnav, heated seats, ZHP.

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Greetings from new 3.0si owner!

Post by Ferruccio » Tue Jan 10, 2023 1:47 pm

Mr Tidy wrote: Mon Jan 09, 2023 9:46 pm Hi and welcome to the forum with your lovely 3.0Si. :thumbsup:

Whatever space-saver you get it will need to be at least 17" diameter to clear your front brakes. I had one for my 2nd Coupe that came from an E46 3 Series, but only 330i and 330d had 17" ones as they had the bigger front brakes like the 3.0Si.

Don't forget you'll need a jack and wheel-brace too and if you ever use the space-saver you'll need to put a full-size wheel in the boot!
Thanks for your help! :)

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Post by Ferruccio » Tue Jan 10, 2023 1:57 pm

I wonder if this would do the trick?

https://www.ebay.co.uk/itm/285103720492 ... R-7o_buzYQ

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Post by Zedebee » Tue Jan 10, 2023 2:27 pm

Ferruccio wrote: Tue Jan 10, 2023 1:57 pm I wonder if this would do the trick?

https://www.ebay.co.uk/itm/285103720492 ... R-7o_buzYQ
I think that’s too big at 135/90. 135 is the width of the tyre in mm and 90 is the profile (depth) as a percentage of the width. Hence 225/40 (front) has the same rolling circumference as 255/35 (rear) for an 18” wheel on a staggered setup, which is the same as 125/80 on a 17” rim.

So you can see that, if 125/80R17 is the correct size, 135/90R17 is too big. It would be correct for a X3/4x4 type which runs on a higher profile tyre. Sure it might get you home, but I wouldn’t drive more than a few miles with the wrong sized wheel on.

You can check wheel tyre size vs your current set up on willtheyfit.com

The other thing to check is the age of the tyre, as an original spare out of a 15-20 year old vehicle will be well past it’s best.

Whereabouts are you? I would consider selling you mine but I wouldn’t want the hassle of having to post it.
2003 Maldives Blue 3.0i auto
Previously: Maldives Blue 2.5i manual (its back!) and another, and a Monaco Blue 3.0Si coupe

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Post by Zedebee » Tue Jan 10, 2023 2:36 pm

A few on here:
https://www.ebay.co.uk/itm/285101331837
https://www.ebay.co.uk/itm/204190998043
https://www.ebay.co.uk/itm/394384918477 with free delivery

You can get a kit with cover and jack for not much more if you don’t mind a cheap tyre.
2003 Maldives Blue 3.0i auto
Previously: Maldives Blue 2.5i manual (its back!) and another, and a Monaco Blue 3.0Si coupe

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Post by Pondrew » Tue Jan 10, 2023 4:20 pm

Ferruccio wrote: Mon Jan 09, 2023 10:38 am Can anyone help advise me on what size/kind of space saver I would need for a 2006 3.0si MSport please?
Just interested, but why do you want a space-saver especially?
It will take up a lot of room and if you have non run flats a tin of tyre weld is more convenient, surely?
All good things come to those who wait. I'm really impatient which explains a lot.

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Post by Ferruccio » Tue Jan 10, 2023 5:41 pm

Zedebee wrote: Tue Jan 10, 2023 2:27 pm
Ferruccio wrote: Tue Jan 10, 2023 1:57 pm I wonder if this would do the trick?

https://www.ebay.co.uk/itm/285103720492 ... R-7o_buzYQ
I think that’s too big at 135/90. 135 is the width of the tyre in mm and 90 is the profile (depth) as a percentage of the width. Hence 225/40 (front) has the same rolling circumference as 255/35 (rear) for an 18” wheel on a staggered setup, which is the same as 125/80 on a 17” rim.

So you can see that, if 125/80R17 is the correct size, 135/90R17 is too big. It would be correct for a X3/4x4 type which runs on a higher profile tyre. Sure it might get you home, but I wouldn’t drive more than a few miles with the wrong sized wheel on.

You can check wheel tyre size vs your current set up on willtheyfit.com

The other thing to check is the age of the tyre, as an original spare out of a 15-20 year old vehicle will be well past it’s best.

Whereabouts are you? I would consider selling you mine but I wouldn’t want the hassle of having to post it.
Invaluable advice! I'm in Stockport area - Greater Manchester etc....

Goodpoint about the tyre weld - I always thought it made the tyre unrepairable but I may be wrong....

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Post by Zedebee » Tue Jan 10, 2023 9:33 pm

Ferruccio wrote: Tue Jan 10, 2023 5:41 pm Goodpoint about the tyre weld - I always thought it made the tyre unrepairable but I may be wrong....
In my experience that’s true. My wife had to bin a nearly new Michelin Cross Climate because no local repairer would touch it with tyre weld in.
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Previously: Maldives Blue 2.5i manual (its back!) and another, and a Monaco Blue 3.0Si coupe

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Post by Mr Tidy » Tue Jan 10, 2023 9:52 pm

I've read in a couple of places that Holts Tyre Weld is easier to clean out than some alternatives so may be a better option, but I've no personal experience of that.

But it's a bit like repairs - most places won't repair a punctured run-flat as they'd rather sell a new tyre. :(

My usual tyre place repaired a P Zero run-flat for my 1 Series and I got more than 12K miles out of it without a problem, but they're an independent rather than one of a chain!
Coupes because stunning!
Current - Silver Grey MC, Imola Red heated Nappa & carbon trim. Aeros, H & R Coil-overs, 224s, OE Strut brace, Nav, cup-holders, DSP Hi-Fi, pdc, cruise, MFSW, no CDV! E90 330i daily
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Post by MikeyH » Wed Jan 11, 2023 12:00 am

I have never had a tyre repaired, it’s always “In the wrong place”. :wink:
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