If helpful, here's what I pulled together - not sure if these links/prices are still accurate as it's been a while. Someone in the MPHAS thread found the part # for the gasket.
QTY Part# Description Price (each) Total Price Price Match Link:
1 BM33-50-2-414-216 M Performance Suspension Retrofit $1,200 $1,200.00
https://www.getbmwparts.com/oem-part...it-33502414216
2 BM07-11-9-905-610 Hex Bolt with Washer - M12X125-10-ZNS3 $4.24 $8.48
https://www.getbmwparts.com/oem-part...s3-07119905610
2 BM33-32-6-760-668 Self-Locking Collar Nut - M12X1.5-10 ZNS3 $1.39 $2.78
https://www.getbmwparts.com/oem-part...s3-33326760668
6 BM07-11-9-907-502 Shock Mount Screw - BMW (07-11-9-907-502) $1.39 $8.34
https://www.getbmwparts.com/oem-part...ew-07119907502
2 BM34-33-9-806-226 Nut, Self-Locking - M14X1.5-05 ZNS3 $2.70 $5.40
https://www.getbmwparts.com/oem-part...s3-34339806226
10 BM31-30-7-855-400 Hexagon Screw With Flange - M8X33 10.9 ZNS3 $2.54 $25.40
https://www.getbmwparts.com/oem-part...s3-31307855400
2 BM33-32-6-768-884 Hexagon Nut with Collar - M10-10 ZNS3 $1.31 $2.62
https://www.getbmwparts.com/oem-part...s3-33326768884
2 BM07-11-9-905-418 Hex Bolt with Washer - M10X80-U1-10.9 $3.22 $6.44
https://www.getbmwparts.com/oem-part...-9-07119905418
2 BM33-32-6-768-884 Hexagon Nut with Collar - M10-10 ZNS3 $1.31 $2.62
https://www.getbmwparts.com/oem-part...s3-33326768884
2 [No part number given] [Gasket - See installation instructions] $0.00
2 BM33-52-7-850-600 12-Point Nut - M14X1.5 ZNNIVSI $4.51 $9.02
https://www.getbmwparts.com/oem-part...IFJlc3VsdHM%3D