Tables are different for NUTS nuts are rated as 8, 10, & 12 in strength. ![]() Cadmium plated parts are hardly available anymore from Europe. Separate or included in the same tables may be information if the steel parts are cadmium plated, or otherwise treated ~30% less torque is recommended for cadmium plated parts. In the DIN (German standards) system, bolts & nuts are assumed to be phosphate treated, no after-treatment, not galvanized. The tables have the size of the fastener (M6, M8, M12, etc.) & optimum tightening torque for the grade of metal. It will be quite rare that you would have to consult those tables. The purpose of the tables as shown in the BMW Factory Service Manual is for those rare instances when there is no BMW specification elsewhere's for torque for an item. ![]() There are standardized tables for recommended tightening torque for fasteners.
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