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      05-01-2012, 10:43 AM   #1
HKF30-328i
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F30 328i wheels offset ?

Dear Brother,

I want to change to 19'x8.5J, which is the best Front & Rear offset, Thanks!

Alex
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      05-01-2012, 10:55 AM   #2
E90Fleet
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Standard offsets



F30:

18"
8Jx18
ET 34

19"
Front 8Jx19 ET:36
Rear 8,5Jx19 ET:47

20"
Front 8Jx20 ET:36
Rear 8,5Jx20 ET:47
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      05-01-2012, 11:06 AM   #3
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Quote:
Originally Posted by E90Fleet View Post
Standard offsets



F30:

18"
8Jx18
ET 34

19"
Front 8Jx19 ET:36
Rear 8,5Jx19 ET:47

20"
Front 8Jx20 ET:36
Rear 8,5Jx20 ET:47
Thanks buddy, do u know the pcd?
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      05-01-2012, 12:30 PM   #4
E90Fleet
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I believe its the same as the E90 , 5x120
But i cannot confirm that.
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      05-01-2012, 12:51 PM   #5
J1n
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Kinda noob question here but could someone explain what this "offset" is?
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      05-01-2012, 11:19 PM   #6
_BMWnEwBiE_
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Quote:
Originally Posted by J1n View Post
Kinda noob question here but could someone explain what this "offset" is?
source Tirerack

http://www.tirerack.com/wheels/tech/...jsp?techid=101

The offset of a wheel is the distance from its hub mounting surface to the centerline of the wheel. The offset can be one of three types (measured in millimeters).*

Zero Offset

The hub mounting surface is even with the centerline of the wheel.

Positive

The hub mounting surface is toward the front or wheel side of the wheel. Positive offset wheels are generally found on front wheel drive cars and newer rear drive cars.

Negative

The hub mounting surface is toward the back or brake side of the wheels centerline. "Deep dish" wheels are typically a negative offset.

If the offset of the wheel is not correct for the car, the handling can be adversely affected. When the width of the wheel changes, the offset also changes numerically. If the offset were to stay the same while you added width, the additional width would be split evenly between the inside and outside. For most cars, this won't work correctly. We have test fitted thousands of different vehicles for proper fitment. Our extensive database allows our sales staff to offer you the perfect fit for your vehicle.
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      05-02-2012, 01:41 AM   #7
J1n
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Thanks for that. So every wheel will have different offsets ?
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      05-15-2012, 02:51 PM   #8
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You can run the 19x8.5 ET35 up front and the 19x9.5 ET40-45 in the rear without any issues on the F30!
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      09-05-2013, 01:26 PM   #9
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what about et25 with 19x8.5 will that fit??? what tire size do I need?
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      09-11-2013, 04:12 PM   #10
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Quote:
Originally Posted by **********s.com View Post
You can run the 19x8.5 ET35 up front and the 19x9.5 ET40-45 in the rear without any issues on the F30!
Have you tried 245/45 for front ?
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