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F80/F82/F83 M3 and M4 (2015 - Current)
F80 BMW M3 sedan, F82 BMW M4 coupe and F83 M4 convertible forum. This 5th generation M3 and all new M4 features a 3.0 liter twin turbo engine (engine code S55) 425hp and 406lbs of torque! Heavy use of light weight materials makes this generation lighter and faster then the outgoing E9x M3.

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  #26  
Old 09-05-2014, 04:05 AM
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Maybe but safety seal looks like chocolate bars!
Or something potentially far less tasty!!
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  #27  
Old 06-25-2019, 09:00 AM
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Quote:
Originally Posted by GregW in Oregon View Post
Okay, I'm revisiting this subject since I did it originally for the E9X.

Stock tire diameters are 26.0"F & 26.6"R. Ideal spare would be in this range. Two options are T145/70R-18 (26.0") & T155/70R-18 (26.5"). The 145 is 0.4" narrower, thus taking up less room in the trunk. Maxxis has the best size selection and most reasonable prices: http://www.maxxis.com/catalog/tire-4...-compact-spare. The 145 & 155 are both $149 though their site, but you may find a local dealer (dealer locator on the website). The X5 steel wheel worked fine on my E92, and does as well here. The center bore is different so you need a reducing ring.

Here's what is needed:
- BMW 36 11 6 768 861 - 18" black steel wheel (X5 fitment) - $68.06 through Newegg (from bmwpartssource.com) http://www.newegg.com/Product/Product.aspx?Item=9SIA1060PF3747[/URL]
- BMW 36 12 1 116 326 black rubber valve stem - $2.52 through Newegg http://www.newegg.com/Product/Product.aspx?Item=9SIA1060PF5057[/URL]
- Centering (hubcentric) plastic ring 74 - 72.56mm - Various plastic ones available through Amazon.com for as little as $6.00/set 4. You glue this in; can sell spares to other forum members.
- T145/70R-18 or 155/70R-18 tire. $!49 through Maxxis http://shop.maxxis.com/c/compact-spare-tires?action_type=switch_product&selected_cat_keys=12015.1071150.0.0.0&selected_product=c22987ac33907e8ed6b255296b5ec29e&redirected_post=1[/URL], or through you local dealer.

You will also need to carry a jack and lug wrench. You can source a small scissor jack from many sources, including BMW, and carry it under the wheel or in you underfloor well. Note that BMW also has a light alloy spare wheel - #36 11 678 8 203 that is around $175, and the width is only 3.5" vs. 4" for steel. I also carry a plug kit from Griot's Garage (http://www.griotsgarage.com/product/...ortby=ourPicks), and only take the spare on longer trips: .

So here is what it looks like with the Maxxis 145/70 tire, which is the same diameter (26.0") as the OEM front. Wheel fits fine with steel brakes. Stock lug bolts work fine, as well. Weight is 37.6 lb. Total cost, including shipping:

Wheel & valve stem - $84.08
Hubcentric rings (4) - $11.58
Tire - $164.00
Mounting - free w/ tire purchase though local dealer
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Total - $259.66

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Greg, thanks for collecting all of this info in one place (as with the E9X); it's very helpful.

For what it's worth, I bought the Bimmerzone 155/18 tire and wheel combo. Coincidentally, I have a spare for my Model 3 that is almost exactly the same diameter--it's a 135/70 19 tire on an alloy wheel out of a Hyundai Genesis.

Sadly, the Model 3/Genesis bolt pattern doesn't work for the BMW, but I have to say the difference in weight and space between the 155/18 steel wheel and the alloy 135/70 19 wheel/tire is...insane. It's really remarkable.

Having already dropped a few hundred bucks on the Bimmerzone spare I think I will stick with it, but if there's a way to source an alloy 19" wheel that will let you run a 135/19 tire, I'd strongly recommend doing that.
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  #28  
Old 06-25-2019, 10:09 AM
GregW in Oregon GregW in Oregon is offline
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Alloy compact spare wheel?

Quote:
Originally Posted by JST View Post
Greg, thanks for collecting all of this info in one place (as with the E9X); it's very helpful.

For what it's worth, I bought the Bimmerzone 155/18 tire and wheel combo. Coincidentally, I have a spare for my Model 3 that is almost exactly the same diameter--it's a 135/70 19 tire on an alloy wheel out of a Hyundai Genesis.

Sadly, the Model 3/Genesis bolt pattern doesn't work for the BMW, but I have to say the difference in weight and space between the 155/18 steel wheel and the alloy 135/70 19 wheel/tire is...insane. It's really remarkable.

Having already dropped a few hundred bucks on the Bimmerzone spare I think I will stick with it, but if there's a way to source an alloy 19" wheel that will let you run a 135/19 tire, I'd strongly recommend doing that.
I agree that alloy is the way to go if possible; I only carry the spare on out of town trips, but even so. Actually, BMW has a 17" alloy spare, but that will not clear the M3/4 front brakes. https://www.ecstuning.com/b-genuine-...EaAgzjEALw_wcB. There is also this 19" version https://www.ebay.com/itm/NEW-2013-20...its=Make%3ABMW. This would be comparable to your Genesis one, except it is a 5" width which is too wide for a 135/70 tire. I have not found an 18" one; seems like something BMW would have for our cars.
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  #29  
Old 06-25-2019, 11:52 AM
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Quote:
Originally Posted by GregW in Oregon View Post
I agree that alloy is the way to go if possible; I only carry the spare on out of town trips, but even so. Actually, BMW has a 17" alloy spare, but that will not clear the M3/4 front brakes. https://www.ecstuning.com/b-genuine-...EaAgzjEALw_wcB. There is also this 19" version https://www.ebay.com/itm/NEW-2013-20...its=Make%3ABMW. This would be comparable to your Genesis one, except it is a 5" width which is too wide for a 135/70 tire. I have not found an 18" one; seems like something BMW would have for our cars.

Cadillac CTS and ATS cars have a 5x120 bolt pattern and GM has an alloy 18x4 wheel. Not sure what the center bore on it is. Ideally I'd like a 19, though.

Camaros also have 5x120 bolt patterns. This option from Modernspare might work:

https://www.amazon.com/2016-2018-Che.../dp/B077RXNT66
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  #30  
Old 06-25-2019, 12:17 PM
GregW in Oregon GregW in Oregon is offline
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Compact spare alloy wheel options

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Originally Posted by JST View Post
Cadillac CTS and ATS cars have a 5x120 bolt pattern and GM has an alloy 18x4 wheel. Not sure what the center bore on it is. Ideally I'd like a 19, though.

Camaros also have 5x120 bolt patterns. This option from Modernspare might work:

https://www.amazon.com/2016-2018-Che.../dp/B077RXNT66
Caddilac center bore is only 66.9, Camaro is 67.1; considerably smaller.
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  #31  
Old 06-25-2019, 12:42 PM
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Quote:
Originally Posted by GregW in Oregon View Post
Caddilac center bore is only 66.9, Camaro is 67.1; considerably smaller.
Bentley Arnage, then. Center bore seems to be 72.6.

https://www.ebay.com/p/2006-Bentley-...d=333020428754
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  #32  
Old 06-26-2019, 10:11 AM
Dr. Who Dr. Who is offline
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Hey,

Great post!

You (OP) referred to an X5 Wheel/Tire spare (on eBay) set up:

* https://www.ebay.com/itm/NEW-2013-20...64fd20ffdca0be

I currently have 19''s and much prefer an alloy spare. Will this properly fit the M4 - & fit in my trunk?
If so, will I also need the centering rings with this application?

Please confirm.


Cheers!
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Last edited by Dr. Who; 06-26-2019 at 10:13 AM.
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  #33  
Old 06-26-2019, 10:32 AM
GregW in Oregon GregW in Oregon is offline
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Quote:
Originally Posted by Dr. Who View Post
Hey,

Great post!

You (OP) referred to an X5 Wheel/Tire spare (on eBay) set up:

* https://www.ebay.com/itm/NEW-2013-20...64fd20ffdca0be

I currently have 19''s and much prefer an alloy spare. Will this properly fit the M4 - & fit in my trunk?
If so, will I also need the centering rings with this application?

Please confirm.
Per my post #28, that tire is too large in diameter, and the wheel at 5" is too wide for the proper size 135/70.
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  #34  
Old 06-26-2019, 01:07 PM
Dr. Who Dr. Who is offline
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Originally Posted by GregW in Oregon View Post
Per my post #28, that tire is too large in diameter, and the wheel at 5" is too wide for the proper size 135/70.
It comes with the tire!

My tires are 9.5"'s and 10"'s. 5"'s for a spare is not too tall - in trunk.

If you can confirm the actual wheel fitment, Or if there's, at least an 18" alloy available??


Cheers!

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  #35  
Old 06-26-2019, 02:08 PM
GregW in Oregon GregW in Oregon is offline
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Compact spare alloy wheel options

Quote:
Originally Posted by Dr. Who View Post
It comes with the tire!

My tires are 9.5"'s and 10"'s. 5"'s for a spare is not too tall - in trunk.

If you can confirm the actual wheel fitment, Or if there's, at least an 18" alloy available??
The goal is to keep the Outside Diameter therefore revs/mile close to stock. This tire on this package is 28.8" OD, compared with the stock 26.6" rears, way too large. I have not found an 18" alloy that will work, not to mean there isn't one out there. Seems like BMW would have one.
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