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      07-11-2017, 07:14 AM   #1
virtualbong
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Drives: 2015 BMW X5 MSport
Join Date: Jun 2009
Location: Boston, MA

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Fitment Question: 20x9 ET20 and 20x10 ET25 on F10 M-Sport

I need to get new tires for my stock 19 Ms but I am considering purchasing a wheelset from someone instead. Need some help confirming that this will be a good fit.

The standard specs for 20s on an F10 5 series looks to be:

Front: 20x9 ET35
Rear: 20x10 ET40

The wheels that I would be looking at purchasing has the following specs:

Front: 20x9 ET20 with 245-40R20 tires
Rear: 20x10 ET25 with 275-35R20 tires

If I am reading the image below on how offsets work, having a lower offset would mean that the wheels would sit closer to the edge of the fender producing a "flush" look. My question is...is -15 in the front and rear too aggressive of a reduction in offset? And do the tire specs seem good?

Do you guys see any major fitment issues with this?
And what does programming a TPMS entail? Is this something a BMW dealership has to do and if so, how much does that cost? I thought the vehicle would just recognize the TPMS system installed on the wheels as long as they are the right year. I believe this was for a 2009 750li and I have a 2011 550i

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2015 BMW X5 35i M-Sport (White/Brown) - 4/16/18 (Current)
2011 BMW 550i M-Sport (Jet Black/Cinnamon Brown) - 4/30/14 | 2007 BMW 328xi e92 (Jet Black/Coral Red) - PAST | 2005 Infiniti G35 Coupe (Ivory White/Stone) - PAST | 2005 Acura TSX (Obsidian Black/Black) - PAST
| 1998 Acura Integra (Black/Black) - PAST

Last edited by virtualbong; 07-11-2017 at 07:54 AM..
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