11 28 Ribbed V-Belt With Tension And Deflection System
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2013 BMW 128i, 2012 BMW 128i, 2011 BMW 128i, 2010 BMW 128i, and 2009 BMW 128i. However, it is still accessible from the selected car via links, so may be relevant.
RIBBED V-BELT WITH TENSION AND DEFLECTION SYSTEM - TIGHTENING TORQUE
| Type | Thread | Description | Tightening Specification | |
|---|---|---|---|---|
| 1AZ ASA screw (1 x) Belt tensioner to crankcase. The end faces of the aluminum screw heads are painted blue. |
N52K / Not for 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 (1 x) Belt tensioner with deflection pulley to crankcase. The end faces of the aluminum screw heads are painted 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 (1 x) Deflection pulley to alternator. |
N52K | M10 x 45 | 40 Nm |