What are all the wheel widths for the E53?

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I have Style 132 19x9. I'm debating on putting H&R 25mm DRA wheel spacers on the front. That's a little less than an inch further out.

As you go with wider and wider BMW wheels, one half of the extra width goes / adds to the outside, and the other half goes to the inside (this is to keep the scrub radius the same). I've got 9" wide wheels. How wide are the larger wheels (20", 21", 22")? 'cuz if any of them are 10.5" wide, then there's my 25mm spacer right there.. and I'll know in advance that this spacer isn't 'too wide' for good looks.

Thanks