Used these 15mm H&R spacers on the back of my E53 for just a few months before I went to the 25MM spacers.
H&R p/n 3075725
$40 + shipping

Or trade for a pair of 10mm spacers for an E39 with the 74.1 hub bore.

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'04 E53, 4.4 Sport
'97 E39 528i
'86 911 Carrera, track car
'96 BMW R1100R