11 28 Ribbed V-belt with tension and deflection system
WARNING: This page is about a different car, the 2011 BMW Z4, 2010 BMW Z4, and 2009 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.
TIGHTENING TORQUE SPECIFICATION - RIBBED V-BELT WITH TENSION AND DEFLECTION SYSTEM
| Type | Thread | Tightening specification | Measure | ||
|---|---|---|---|---|---|
| 1AZ | ASA screw Belt tensioner to crankcase. Aluminium screws/bolts are permitted with and without colour coding (blue). |
N52K/Nicht fur E70 N52K B30 | M11 x 65 | Replace screw. Thread repairs are not permitted! Jointing torque and angle of rotation must be observed without fail. Jointing torque |
25 Nm |
| Torque angle | 90 ° | ||||
| 2AZ | ASA screw Belt tensioner with deflection pulley to crankcase. Aluminium screws/bolts are permitted with and without colour coding (blue). |
E70 N52K B30 | M11 x 99 | Replace screw. Thread repairs are not permitted! Jointing torque and angle of rotation must be observed without fail. Jointing torque |
25 Nm |
| Torque angle | 90 ° | ||||
| 3AZ | Hexagon screw Deflection pulley to alternator. |
N52K | M10 x 45 | 40 Nm | |