CRP Automotive now offers Rein Automotive Aluminum Stretch Bolts for BMW engine applications. These stretch bolts are designed as replacements for the “one time use” only fasteners used by BMW to mount components such as transmissions, oil pans, water pumps, power steering pumps, and alternators to their engine assemblies. – See more at: http://www.fastener-world.com.tw/new/news_detail.php?id=4451#sthash.hndNYqg3.dpuf