BMW S14, S38, M88, S50B30, and S50B32 Valve Adjustment Shims for the do-it-yourself'er or the professional mechanic...
These are the same shims we in our engines during final assembly, valve adjustment, or camshaft install.
NOTE:
_ 33mm Shims are typically for the 37.5mm Cam Followers found in S14 and S38 engines.
_ 31mm Shims are typically for the 35mm Cam Followers found in M88, S50B30, and S50B32 engines.