2009 BMW Z4 BBS CH 18x8.5

photo 1 BMW Z4 custom wheels BBS CH 18x8.5, ET +35, tire size 235/40 R18. x ET 255/35 R photo 2 BMW Z4 custom wheels BBS CH 18x8.5, ET +35, tire size 235/40 R18. x ET 255/35 R

Custom wheels & tires for BMW Z4

Front rim size
(Rim Diameter in inches x Rim Width in inches)

18x8.5

Front rim offset
Definition

+35 mm

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Front tire size
P-metric stands for passenger vehicle. LT - for heavy loads, towing and off-road durability.

P 235/40 R18

Wheel backspacing
Correct backspacing allows enough room for the suspension, brake, and steering systems to operate without interference from the wheel. Positive offset creates more backspace, while negative offset reduces backspace

6.13”

   
Rear rim size
(Rim Diameter in inches x Rim Width in inches)

18x8.5

Rear rim offset

+35

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Rear tire size

P 255/35 R18

   
Rims brand
Wheel Manufacturer & Model

BBS CH

Details of modified 2009 BMW Z4

– Will the wheels 18x8.5 35 offset with P 235/40 R18 tires fit on a 2009 BMW Z4?

– Yes, they will fit. As you can see from the pics this 2009 BMW Z4 is running BBS CH 18x8.5 with 6.13” backspacing and P 235/40 R18 tires.

Source

photo 3 BMW Z4 custom wheels BBS CH 18x8.5, ET +35, tire size 235/40 R18. x ET 255/35 R photo 4 BMW Z4 custom wheels BBS CH 18x8.5, ET +35, tire size 235/40 R18. x ET 255/35 R

Definitions

Wheel Offset

Refers to how your car’s or truck’s wheels and tires are mounted and sit in the wheel wells.

– Zero wheel offset is when the hub mounting surface is in line with the centerline of the wheel.
– Positive wheel offset is when the hub mounting surface is in front (more toward the street side) of the centerline of the wheel. Most wheels on front-wheel drive cars and newer rear-drive vehicles have positive offset.
– Negative offset is when the hub mounting surface is behind the wheel centerline. “Deep dish” wheels are typically a negative offset.

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