What 18" tires / wheels for a 2015 bmw 550i for snow - Bimmerfest - BMW Forums



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F10 / F11 (2011 - 2016)
The sixth generation of the BMW 5 Series Sedan (F10) was produced from 2011 - 2016 with LCI updates arriving in 2014. In the US BMW offered a hatchback 5 Series Gran Truismo (F07) and the rest of the world also go a Station Wagon/Touring version F11.

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  #1  
Old 10-12-2019, 11:39 AM
den550 den550 is offline
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What 18" tires / wheels for a 2015 bmw 550i for snow

I'm looking at the manual:
https://carmanuals2.com/get/bmw-550i...s-manual-91848

It say s it can handle these tires:

245/45 R 18 100 V
M+S XL A/S RSC
245/40 R 19 98 V M
+S XL A/S RSC
245/45 R 18 96 Y
RSC
245/45 R 18 100 V
M+S XL RSC


Front: 245/45 R 18
96 Y RSC
Rear: 275/40 R 18
99 Y RSC




Front: 245/40 R 19
94 Y RSC
Rear: 275/35 R 19
96 Y RSC




Front: 245/35 R 20
95 Y XL RSC
Rear: 275/30 R 20
97 Y XL RSC

-------------

I'm looking at purchasing a second set of 18" wheels and winter tires. This is mostly based on price, 18" used winter tires are way easier to find out here in CO on craigslist.


Can I purchase something like this: (245 45 18)
https://denver.craigslist.org/wto/d/...996420084.html

and then something like this:
https://cosprings.craigslist.org/wto...990871065.html

I'm trying to confirm what wheels exactly I'd need to fit 245 45 18 or 245 40 18 (can both tires fit on the same rim?!?!) and then what tires I can put on them, but I'm having difficulty researching exactly what I need.

Since we already have an SUV that we primarily take to the mountains (We're in Denver) for family trips, I'm trying to do this "on the cheap" and acquire a 2nd set of wheels and tires to use for the next few years
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Old 10-12-2019, 02:12 PM
wcr3d wcr3d is offline
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You need to start with rims that will fit your car.
Then find tires that will fit those rims.
There are several dimensions that need addressing.
Rim Diameter
Rim width
Bolt pattern
Bore size
There is not enough information in that link to know if they will fit.
You need to familiarize yourself with the rim specs needed for your car before shopping.
Also need to decide if you want run flats or not.
This can still be done on the cheap but know what you are buying beforehand.
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Old 10-12-2019, 03:15 PM
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The other dimension not mentioned is offset. BMW RWD cars have different offsets from AWD (xi) cars. Your car is RWD, so the offsets will be in the ET 18 to 32 range.
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Old 10-12-2019, 03:27 PM
den550 den550 is offline
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Should have been more specific - I have the 2015 550i xDrive version - all tires are CURRENTLY 245 40 19
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Old 10-12-2019, 03:28 PM
wcr3d wcr3d is offline
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Quote:
Originally Posted by Jay Arras View Post
The other dimension not mentioned is offset. BMW RWD cars have different offsets from AWD (xi) cars. Your car is RWD, so the offsets will be in the ET 18 to 32 range.
Thanks Jay I thought I had that in there!
Also on the F10 rwd and awd have the same offset.

Last edited by wcr3d; 10-12-2019 at 03:30 PM.
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Old 10-12-2019, 03:28 PM
den550 den550 is offline
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Quote:
Originally Posted by wcr3d View Post
You need to start with rims that will fit your car.
Then find tires that will fit those rims.
There are several dimensions that need addressing.
Rim Diameter
Rim width
Bolt pattern
Bore size
There is not enough information in that link to know if they will fit.
You need to familiarize yourself with the rim specs needed for your car before shopping.
Also need to decide if you want run flats or not.
This can still be done on the cheap but know what you are buying beforehand.
1) I have a 2015 550i xDrive
2) Current tire dimensions are 245 40 19
3) Current Wheels are 19

How do I find:
Rim width
Bolt pattern
Bore size
?
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Old 10-12-2019, 03:32 PM
wcr3d wcr3d is offline
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This also depends on if you want to run square or staggered setup.
Square is best for winter.
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Old 10-12-2019, 03:40 PM
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Quote:
Originally Posted by den550 View Post
1) I have a 2015 550i xDrive
2) Current tire dimensions are 245 40 19
3) Current Wheels are 19

How do I find:
Rim width
Bolt pattern
Bore size

?
You can find this info in any of the online part database sites...just enter the last 7 digits of your VIN then go to the wheel diagrams and look for the wheel style number you have. The index below the diagram will list the wheel' specs (width/height/offset). BMW lists wheel offset in two ways...you will either see ET_ _ or IS _ _ (the blank spaces will be numerical digits that represent the offset in millimeters).


Below is a quick cheat sheet of some BMW wheel specs:


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https://www.bimmerforums.com/forum/attachment.php?attachmentid=637911&d=1538398374&thumb=1&stc=1

Last edited by QSilver7; 10-12-2019 at 03:44 PM.
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Old 10-12-2019, 03:44 PM
wcr3d wcr3d is offline
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The specs for that should be:
Diameter-19"
Width- 8.5 "
Pattern - 5x120
Bore - 72.6
Offset - et33
Now some of these can vary some, like offset.
Others like pattern and bore need to be right on, unless you wanted to use an adapter.
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Old 10-12-2019, 03:45 PM
wcr3d wcr3d is offline
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Dam he is quick, thanks Q
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Old 10-12-2019, 03:54 PM
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Quote:
Originally Posted by wcr3d View Post
Dam he is quick, thanks Q


BTW...if none of the online part database sites are familiar to the OP (sometimes we may assume that everyone knows about these sites and how useful they can be)...here are 3 of my favs...feel free to save/bookmark them for future reference/use:
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Q {BMW CCA Member #191509}
2006 E53 X5 4.4i (Sterling Gray) 12/05 mfg date <<~>> 2013 F06 650ix Gran Coupe` (Black Sapphire) 1/13 mfg date
(SOLD)
97 740iL (Arctic Silver) <<~>> 99 540iT (Orient Blue) <<~>> 95 525IT (Alpine White)
91 735iL (Schwarz Black) <<~>> 85 325e (Bronzit)

https://www.bimmerforums.com/forum/attachment.php?attachmentid=637911&d=1538398374&thumb=1&stc=1
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Old 10-12-2019, 04:21 PM
den550 den550 is offline
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So would something like this work? It came of an
https://www.ebay.com/itm/4-Bmw-Winte...YAAOSwWZxc6Rxv

It's CLOSE to the specs you mentioned:
Condition: Used Wheel Building: one-piece
Hole Number: 5 Seasons: Winter
Rim Manufacturer: BMW Tyre Specifications: Winter tyres M + S
Speed Index: H: up to 210 km/h Tyre Manufacturer: Dunlop
Offset: 30 Number of Units: 4
Pitch Centre Diameter: 120 Modified Article: Ja
Load Index: 100 Rim Width: 8J
Product Type: Tire Set Manufacturer Part Number:
Does Not Apply
Type: CAR Tyre Width: 245
Rim Material: Aluminium Tyre Cross Section: 50
Brand:
Unbranded

VA: 8J x 18 5LK x 120 ET 30 part number: 6775991

HA: 8J x 18 5LK x 120 offset 30Part number: 6775991
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Old 10-12-2019, 04:54 PM
wcr3d wcr3d is offline
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Yes something like that though you do realize those are in Germany?
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Old 10-13-2019, 06:22 AM
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It appears you've found wheels that will fit but totally disregarded that the tires mounted to those wheels are too big for your f10 550i.

You linked us to a wheel/tire combo that is for the 7 series & f07 5GT...the tires have a larger rolling diameter/circumference that is greater than what is within spec for the lighter 5 series sedan.

You could use the wheels but would need to mount tires that are the recommended spec for the f10 5 series.

As wcr3d mentioned earlier in this thread...find wheels that fit, then find the correct tires that fit the wheels you've selected. ***x1f642;
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Q {BMW CCA Member #191509}
2006 E53 X5 4.4i (Sterling Gray) 12/05 mfg date <<~>> 2013 F06 650ix Gran Coupe` (Black Sapphire) 1/13 mfg date
(SOLD)
97 740iL (Arctic Silver) <<~>> 99 540iT (Orient Blue) <<~>> 95 525IT (Alpine White)
91 735iL (Schwarz Black) <<~>> 85 325e (Bronzit)

https://www.bimmerforums.com/forum/attachment.php?attachmentid=637911&d=1538398374&thumb=1&stc=1
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Old 10-13-2019, 08:06 AM
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If shopping for both tires and wheels, have you tried tirerack.com?
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Old 10-14-2019, 10:14 AM
den550 den550 is offline
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Thank you all for the feedback here, this is complex.

The above ebay link was more of a test of "did I find the right wheels"; admittedly, I did not even look at the tires. Was just trying to test if I understood.

One other related question:
Would 245/45 19 or 245/50/19 tires fit on my existing rims? Someone I had spoke to mentioned that multiple different styles of tires were appropriate for a given wheel.

Looking at the owners manual, I do see a few variations of tires, 275/35 19 on the back, for example - not sure if they are using the same rims as the front (245 40 19) or not...
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Old 10-14-2019, 03:52 PM
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Quote:
Originally Posted by den550 View Post
Thank you all for the feedback here, this is complex.

The above ebay link was more of a test of "did I find the right wheels"; admittedly, I did not even look at the tires. Was just trying to test if I understood.

One other related question:
Would 245/45 19 or 245/50/19 tires fit on my existing rims? Someone I had spoke to mentioned that multiple different styles of tires were appropriate for a given wheel.

Looking at the owners manual, I do see a few variations of tires, 275/35 19 on the back, for example - not sure if they are using the same rims as the front (245 40 19) or not...
See chart below for min/max tire width vs wheel width. Wider tires listed for the same size wheel means that it is a staggered tire set-up where the rear wheels are wider than the front. In this situation...the front and rear tires AND wheels are a different width...and also have a different aspect ratio (the middle number)...but the height (18", 19", 20", 21", etc) is the same:


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Q {BMW CCA Member #191509}
2006 E53 X5 4.4i (Sterling Gray) 12/05 mfg date <<~>> 2013 F06 650ix Gran Coupe` (Black Sapphire) 1/13 mfg date
(SOLD)
97 740iL (Arctic Silver) <<~>> 99 540iT (Orient Blue) <<~>> 95 525IT (Alpine White)
91 735iL (Schwarz Black) <<~>> 85 325e (Bronzit)

https://www.bimmerforums.com/forum/attachment.php?attachmentid=637911&d=1538398374&thumb=1&stc=1
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Old 10-14-2019, 04:13 PM
den550 den550 is offline
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Yes! This chart is awesome.


Related question, THIS tire appears to be the exact dimension of the compact spare sold for $300:
https://fortcollins.craigslist.org/w...962386718.html


Is that the same tire as this: http://www.bimmerzone.com/product/BIM-SST-F10-KIT.html
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Old 10-15-2019, 08:05 AM
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QSilver7 QSilver7 is offline
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Quote:
Originally Posted by den550 View Post
Yes! This chart is awesome.


Related question, THIS tire appears to be the exact dimension of the compact spare sold for $300:
https://fortcollins.craigslist.org/w...962386718.html


Is that the same tire as this: http://www.bimmerzone.com/product/BIM-SST-F10-KIT.html
Perhaps my perception of "the same" is NOT identical to yours. Yes, both are "compact spare wheel/tire combos"...but there are enough differences that would make me not use them as "like" in comparison. One is a 17" compact spare designed for the X3 (much higher aspect ratio, too) and the other is an 18" compact spare meant for multiple 5 series models...and the tire has s a different aspect ratio (the middle number...which addresses a height difference...aka overall diameter/circumference). This would make them (each "set") NOT compatible to each other in my book.

The Craig's list compact spare says:
  • Continental Tire 135/90 R17 it came off of my 2008 BMW X3

The Bimmerzone add you linked us to says:
  • Spare Tire 155/70-18 - Application: BMW F10 5 Series - 2011-2016 528i, 528i xDrive, 535i, 535i xDrive, 550i, 550 xDrive (Not for M5)
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Q {BMW CCA Member #191509}
2006 E53 X5 4.4i (Sterling Gray) 12/05 mfg date <<~>> 2013 F06 650ix Gran Coupe` (Black Sapphire) 1/13 mfg date
(SOLD)
97 740iL (Arctic Silver) <<~>> 99 540iT (Orient Blue) <<~>> 95 525IT (Alpine White)
91 735iL (Schwarz Black) <<~>> 85 325e (Bronzit)

https://www.bimmerforums.com/forum/attachment.php?attachmentid=637911&d=1538398374&thumb=1&stc=1
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Old 10-15-2019, 08:10 AM
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Another FYI to watch out for when looking to purchase used TIRES. There is a DOT date of manufacture on the tire that you should learn to look and ask for (if buying used). I wouldn't recommend buying a really old tire...even if it has never been used. I won't go into a lot of detail because this info has already been written (by experts) and can easily be found doing a simple google search. The week/year that the tire was manufactured is stamped into the sidewall of the tire. Take note of that info if buying used tires. Many tire shops will not mess with a tire older than 6 years...so keep that in the back of your mind when looking for used tires.






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Q {BMW CCA Member #191509}
2006 E53 X5 4.4i (Sterling Gray) 12/05 mfg date <<~>> 2013 F06 650ix Gran Coupe` (Black Sapphire) 1/13 mfg date
(SOLD)
97 740iL (Arctic Silver) <<~>> 99 540iT (Orient Blue) <<~>> 95 525IT (Alpine White)
91 735iL (Schwarz Black) <<~>> 85 325e (Bronzit)

https://www.bimmerforums.com/forum/attachment.php?attachmentid=637911&d=1538398374&thumb=1&stc=1

Last edited by QSilver7; 10-15-2019 at 08:15 AM.
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Old 10-15-2019, 08:57 AM
den550 den550 is offline
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Quote:
Originally Posted by QSilver7 View Post
Perhaps my perception of "the same" is NOT identical to yours. Yes, both are "compact spare wheel/tire combos"...but there are enough differences that would make me not use them as "like" in comparison. One is a 17" compact spare designed for the X3 (much higher aspect ratio, too) and the other is an 18" compact spare meant for multiple 5 series models...and the tire has s a different aspect ratio (the middle number...which addresses a height difference...aka overall diameter/circumference). This would make them (each "set") NOT compatible to each other in my book.

The Craig's list compact spare says:
  • Continental Tire 135/90 R17 it came off of my 2008 BMW X3

The Bimmerzone add you linked us to says:
  • Spare Tire 155/70-18 - Application: BMW F10 5 Series - 2011-2016 528i, 528i xDrive, 535i, 535i xDrive, 550i, 550 xDrive (Not for M5)

You are correct, however the owners manual seems to suggest this wheel is the right spec:
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Old 10-15-2019, 12:20 PM
Orca Orca is offline
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Quote:
Originally Posted by den550 View Post
You are correct, however the owners manual seems to suggest this wheel is the right spec:
you have 550i so R17 rim might not fit your vehicle due to bigger brakes as it needs more brake/brake caliper clearance.

For example 135/90R17 (in fact i have this as my spare) fits my bmw F10 2011 528i but my car has smaller brakes installed than yours.

As others suggested you better use car VIN to check exact tire/rim size needed for your car.

I also suggest to use tire/wheel calculator https://tiresize.com/calculator/ to see differences like rolling diameter etc between different tire sizes.
as example 135/90 R17 and 155/70R18 have almost the same rolling diameter (difference is only 0.4% which shouldn't affect speedometer readings etc).



------------------------
The Craig's list compact spare says:

Continental Tire 135/90 R17 it came off of my 2008 BMW X3


The Bimmerzone add you linked us to says:

Spare Tire 155/70-18 - Application: BMW F10 5 Series - 2011-2016 528i, 528i xDrive, 535i, 535i xDrive, 550i, 550 xDrive (Not for M5)
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Old 10-15-2019, 12:30 PM
den550 den550 is offline
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Originally Posted by Orca View Post
For example 135/90R17 (in fact i have this as my spare) fits my bmw F10 2011 528i but my car has smaller brakes installed than yours.


This is precisely my concern - will it fit the brakes. But the manual SAYS it should. Not sure if there is any other way to test this beside buying it.

EDIT: I think I read this wrong. It seems like it would work on the 528, but NOT the 550. It's confusing because the manual breaks up the sections to different pages/columns

Last edited by den550; 10-15-2019 at 04:44 PM.
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Old 10-15-2019, 01:08 PM
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Quote:
Originally Posted by den550 View Post
This is precisely my concern - will it fit the brakes. But the manual SAYS it should. Not sure if there is any other way to test this beside buying it.
If your owners manual lists that size as compatible...then it was designed to accept that size compact spare. As mentioned by Orca...unless you have some optional brakes or larger rotors/calipers (like the M5) then it wouldn't fit.

Unfortunately, I don't have the info you have (like your owners manual that has all the listed wheel/tire size recommendations)...I was going by the data listed on the websites. The 17" compact spare only listed the X3...and did not list its wheel offset.

If you haven't done so already, check the online part database for the 17" compact spare's 11 digit BMW part nbr...then check the database to see which other BMW models can use it. This can be done by simply clicking on the 11 digit part nbr or entering it into a part nbr search.
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2006 E53 X5 4.4i (Sterling Gray) 12/05 mfg date <<~>> 2013 F06 650ix Gran Coupe` (Black Sapphire) 1/13 mfg date
(SOLD)
97 740iL (Arctic Silver) <<~>> 99 540iT (Orient Blue) <<~>> 95 525IT (Alpine White)
91 735iL (Schwarz Black) <<~>> 85 325e (Bronzit)

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  #25  
Old 10-15-2019, 02:25 PM
Orca Orca is offline
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as a side note and if somebody looking for info on spare donut for F10, here is a write-up of spare donut project for I did for my car (copied from another forum).
It appears that X3 spare might actually fit F10.


I had to build my own as I couldn't find anything ready to go here in Toronto Canada, and I didn't want to pay for shipping from US.
You'll need to check brake clearance on your car though as your car has larger brakes than mine.
Also you can use tire size comparison to check tire radius difference https://tiresize.com/tyre-size-calculator/
Small variations are acceptable.
For example difference between tires 245/45/R18 and 135/90 R17 which I got is only 0.4% which should be OK for short distance travel with lower speeds.

I got a used spare rim from BMW E60 model (it has the same bolt pattern as our F10s) and I used 135/90R17 rubber for this spare rim. Original spare rubber for E60 is 135/80R17 which has a smaller rolling diameter than our F10s.( Based on tire size calculator its around 4.7% smaller). Thats why I had to get a different rubber 135/90R17
I also got 15mm spacer and extended wheel bolts for the spare which was needed to clear brakes on my car. As I mentioned you'll need to check if this setup will work for yours.
Overall cost for me was 50CAD for used spare rim + 10CAD for used rubber + 80CAD for spacer and bolts. So total was 140CAD.

PS I'm using 225/55R17 for winter tires and 245/45R18 for summer tires.

Some people also suggested to use spare wheel from certain model year X3, however I didn't explore that option
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