Feature

●??Specification - Outside Diameter (O.D.) 74.1mm - Your wheels center bore needs to be this size; Inner Diameter (I.D.) 72.56mm - Your vehicles hub lip diameter needs be this size; Depth: 10mm.
●??Benefits - ①These hubrings will reduce vibrations caused by a gap between your aftermarket wheels centerbore and your wheel hub; ②Other aftermarket rims can be replaced; ③ Easy to Install;
●??Fitment - 1996-2002 for Z3, 1994-1999 for 318is, 2011 for 335is, 2009-2016 for 535i xDrive, 2001-2006 for 325xi, 2014-2016 for M6 Gran Coupe, 2004-2007 for 530i, 2006-2016 for 550i, 2011-2016 for 535i GT xDrive, 2003-2009 for Z4, 2009-2015 for 335i xDrive, 1995-1999 for 318ti, 2015-2016 for M4, 2014-2016 for 535d, 2006-2007 for 525xi, 1996-1999 for 328is
●??Material - Hub Centric Rings made of high quality and safe polycarbonate plastic. Offer a tighter fit.
●??Notes - The outside diameter of the spigot ring should fit the wheels centerbore. The inside diameter is the size of the wheel hub on the vehicle you intend to fit the wheels to.


Description

Specification:
Color: Black
Material: Poly Carbon Plastic
Inner Diameter(Vehicle Hub Size): 72.56mm
Outer Diameter(Wheel Bore Size): 74.1mm
Depth: 10mm
Placement on Vehicle: Left, Right, Front, Rear
Item included: 4 x hub rings

Fit Vehicles:
2004-2007 for 525i
2014-2016 for 428i
2005 for 645Ci
2006-2007 for 530xi
2003-2009 for Z4
2013-2016 for 650i Gran Coupe
2001-2006 for 330Ci
2014-2016 for 535d
2011-2016 for 528i
1997 for 750iL
2008-2016 for M6
2001-2006 for 330xi
2007-2008 for 328xi
1994 for 850Ci
1994-1999 for 318i
2012-2016 for 640i
2011-2016 for X3
2000 for 328Ci
2015-2016 for 228i xDrive
2010-2015 for 750i xDrive
2009-2016 for 328i xDrive
1998-2015 for 740i
2010-2016 for 528i xDrive
2012-2016 for 650i xDrive

Why do I need it?
If the wheels that you really want arent exactly meant for your car, most likely the center bore parameter will not fully matched with each other. The car will have vibration issue when the speed is over 40-60mph no matter how you tight up the lug nuts. The Hub Centric Rings will Fix this vibration.

How to choose between plastic and aluminum rings?
1.Both plastic and alloy wheel center bore ring work perfectly as long as you choose the right size.
2.Aluminum hub rings are better looking in appearance and the tolerance can be controlled within +-0.1mm
3.Black Poly Carbon Plastic hubrings is cheaper than alloy ones and the tolerance is within +-0.2mm

?Please ensure the size of your car fit our item before purchase.