Upgrading wheels- do I need to input new size in computer?

jg3360 · 01-23-2011, 10:53 AM

I am taking off the stock 16" wheels on my 09 E90 XDrive and putting on 18" M3 Reps.

I am looking at 235/40/18 (Frt) and 265/35/18 (rear) the rims are 18x8 ET 35 and 18x9 ET35

Do I need to enter this into the cars computer for the comuterized AWD system?

If so, where/how do I do that?

henry418 · 01-23-2011, 01:34 PM

you don't have to

MassBimmer · 01-23-2011, 02:59 PM

No

jg3360 · 01-23-2011, 06:08 PM

thanks!

Know if I need to do anything about the spedometer?

Mass- nice car.. I have the same- except tan interior.

C ///M · 01-23-2011, 08:35 PM

Quote:

Originally Posted by jg3360

thanks!

Know if I need to do anything about the spedometer?

Mass- nice car.. I have the same- except tan interior.

Nope, as long as you use the proper 18" tire size, the overall diameter and circumference will not change (or the change will be negligible) so it does not affect the speedometer.

jg3360 · 01-24-2011, 07:15 PM

Quote:

Originally Posted by C ///M

Nope, as long as you use the proper 18" tire size, the overall diameter and circumference will not change (or the change will be negligible) so it does not affect the speedometer.

I was going to use 235/40/18 in frt 265/35/18 in rear.. that within "Proper" tire size?

MassBimmer · 01-24-2011, 09:26 PM

Quote:

Originally Posted by jg3360

thanks!

Know if I need to do anything about the spedometer?

Mass- nice car.. I have the same- except tan interior.

Thanks man...235/40/18 and 265/35/18 is perfect

chowser51 · 01-24-2011, 11:47 PM

I went with a square setup on my M3 reps, i used 225/40R18 all around.

My brother has a staggered setup and he is using 225/40 in the front and 255/35 in the back.

jg3360 · 01-27-2011, 09:48 PM

any recommendations on tires? I was looking at neogens or Mich Pilot A/S

jg3360 · 01-27-2011, 09:49 PM

Quote:

Originally Posted by chowser51

I went with a square setup on my M3 reps, i used 225/40R18 all around.

My brother has a staggered setup and he is using 225/40 in the front and 255/35 in the back.

I just so dig these wheels.

henry418 · 01-29-2011, 12:07 AM

Quote:

Originally Posted by jg3360

any recommendations on tires? I was looking at neogens or Mich Pilot A/S

Michelin Pilot A/S are good. Another option is the Continental ExtremeContact DWS; they're a bit cheaper.

jg3360 · 01-30-2011, 10:58 AM

thanks

jg3360 · 02-07-2011, 07:13 PM

Wound up with Hankook v12s

jg3360 · 02-12-2011, 06:04 PM

Just got em on: Hankooks

01-23-2011, 10:53 AM	#1
jg3360 Private First Class 5 Rep 120 Posts Drives: 2009 BSM 328i X Join Date: Aug 2010 Location: VA iTrader: (0) Garage List 2009 E90 328 XDrive [0.00]	Upgrading wheels- do I need to input new size in computer? I am taking off the stock 16" wheels on my 09 E90 XDrive and putting on 18" M3 Reps. I am looking at 235/40/18 (Frt) and 265/35/18 (rear) the rims are 18x8 ET 35 and 18x9 ET35 Do I need to enter this into the cars computer for the comuterized AWD system? If so, where/how do I do that?
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01-23-2011, 01:34 PM	#2
henry418 Captain 54 Rep 769 Posts Drives: 2016 BMW M3 Join Date: Jan 2011 Location: Vancouver, Canada iTrader: (4)	you don't have to
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01-23-2011, 02:59 PM	#3
MassBimmer Major General 306 Rep 7,433 Posts Drives: 2023 i4 M50 Join Date: May 2009 Location: MA iTrader: (6) Garage List 2009 BMW [9.24]	No
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01-23-2011, 06:08 PM	#4
jg3360 Private First Class 5 Rep 120 Posts Drives: 2009 BSM 328i X Join Date: Aug 2010 Location: VA iTrader: (0) Garage List 2009 E90 328 XDrive [0.00]	thanks! Know if I need to do anything about the spedometer? Mass- nice car.. I have the same- except tan interior.
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01-24-2011, 11:47 PM	#8
chowser51 Colonel 2025 Rep 2,806 Posts Drives: F33 430 and F39 M35i Join Date: Feb 2009 Location: Cleveland, OH iTrader: (3) Garage List 2018 BMW 430i xDrive [0.00]	I went with a square setup on my M3 reps, i used 225/40R18 all around. My brother has a staggered setup and he is using 225/40 in the front and 255/35 in the back.
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01-27-2011, 09:48 PM	#9
jg3360 Private First Class 5 Rep 120 Posts Drives: 2009 BSM 328i X Join Date: Aug 2010 Location: VA iTrader: (0) Garage List 2009 E90 328 XDrive [0.00]	any recommendations on tires? I was looking at neogens or Mich Pilot A/S
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01-30-2011, 10:58 AM	#12
jg3360 Private First Class 5 Rep 120 Posts Drives: 2009 BSM 328i X Join Date: Aug 2010 Location: VA iTrader: (0) Garage List 2009 E90 328 XDrive [0.00]	thanks
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02-07-2011, 07:13 PM	#13
jg3360 Private First Class 5 Rep 120 Posts Drives: 2009 BSM 328i X Join Date: Aug 2010 Location: VA iTrader: (0) Garage List 2009 E90 328 XDrive [0.00]	Wound up with Hankook v12s
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02-12-2011, 06:04 PM	#14
jg3360 Private First Class 5 Rep 120 Posts Drives: 2009 BSM 328i X Join Date: Aug 2010 Location: VA iTrader: (0) Garage List 2009 E90 328 XDrive [0.00]	Just got em on: Hankooks
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