steel stone guards are available separately

OS Giken SuperLock LSD for BMW E32 735i / 740i / 750i / 750iL – High-Performance Limited Slip Differential Upgrade

it does NOT come with an extinguisher

making them the ideal upgrade for those looking to protect their S54 engine from failure

Whether you're working on a one-off build

B58 Pro-Xtreme Valve & Valve Spring Kit 330xi steel stone guards are availableSimplify your next B58 engine build with this all in one Competition Valve & Spring Kit, now available from 5150 AutoSport. Featuring Ferrea's single groove stainless steel valves and a complete high performance valve spring kit, this package eliminates the guessworkgiving engine builders a reliable, track proven solution in a single click. Built for Power. Engineered for RPM. This kit includes standard size Ferrea Competition Plus intake and exhaust