11 31 Camshaft
WARNING: This page is about a different car, the 2003 BMW Z8, 2002 BMW Z8, 2001 BMW Z8, and 2000 BMW Z8. However, it is still accessible from the selected car via links, so may be relevant.
TIGHTENING TORQUE SPECIFICATIONS (CAMSHAFT)
| Type | Thread | Tightening specification | Measure | |
|---|---|---|---|---|
| 1AZ Camshaft bearing cap | All | M6 | 10 Nm | |
| All | M7 | 14 Nm | ||
| All | M8 | 20 Nm | ||
| 2AZ Sprocket to camshaft | M20 / M21 / M40 | M10 | 65 Nm | |
| 3AZ Sprocket to camshaft flange | M60 / M62 | M6 | 15 Nm | |
| All / others | M6 | 10 Nm | ||
| M50 / M52 / M52TU / M54 / M56 / S52 / S50 US / M50 / VANOS | M7 | |||
| Application torque | 5 Nm | |||
| Jointing torque | 20 Nm | |||
| All / others | M7 | 15 Nm | ||
| 4AZ Sprocket to camshaft | M51 / M41 / M47 / M57 | M12 x 1.5 | Replace screws | |
| Jointing torque | 20 Nm | |||
| Torque angle | 35° | |||
| M47TU / M57TU | M12 x 1.5 | Replace screws | ||
| Jointing torque | 20 Nm | |||
| Torque angle | 50° | |||
| M67 | M12 x 1.5 | Replace screws | ||
| Jointing torque | 20 Nm | |||
| Torque angle | 90° | |||
| 5AZ Toothed shaft to inlet camshaft | M52 / S52 / S50 US / M50 / VANOS | M14 x 1.5 | ||
| Jointing torque | 40 Nm | |||
| Torque angle | 60° | |||
| 6AZ Flange to camshaft | M30 | 145 Nm | ||
| 7AZ Screw plug for chain tensioner | M50 / S50 US / S62 | M22 x 1.5 | 50 Nm | |
| All / others | M22 x 1.5 | 40 Nm | ||
| 8AZ Cylinder for chain tensioner plunger | M67 | M22 x 1.5 | 45 Nm | |
| N40 / N42 / N45 / N46 / N62 / N73 | M22 x 1.5 | 65 Nm | ||
| M50 / M52 / M52TU / M54 / M56 / S52 / S50 US | M26 x 1.5 | 70 Nm | ||
| All / others | M26 x 1.5 | 50 Nm | ||
| 9AZ Bearing flange on engine block | M60 | M6 | 13 Nm | |
| 10AZ Reversing rail on engine block | M62 / S62 | M6/M7 | 14 Nm | |
| 11AZ Screw-in pin on camshaft | All | M7 | 20 Nm | |
| Nut on screw-in pin | All | M6 | 10 Nm | |
| 12AZ Bearing pin for sliding and tensioning rails | M41 / M47 / M47TU / M51 / M57 / M57TU | M16 x 1.5 | 20 Nm | |
| M67 | M16 x 1.5 | 26 Nm | ||
| 13AZ Signal disk to camshaft | S62 / S54 | M16 x 1.5 | 50 Nm | |
| 14AZ Sensor gear to camshaft | N62 / N73 | M14 x 1.5 | 30 Nm | |
| 1AZ 4/2-way valve/solenoid valve to VANOS housing | M52 / M52TU / M54 / M56 / S52 / S50 US / M50 / VANOS | 30 Nm | ||
| 2AZ Banjo bolt to VANOS adjustment unit | M52 / M52TU / M54 / M56 / S52 / S50 US / M50 / VANOS | M14 x 1.5 | 32 Nm | |
| 3AZ Screw plug to VANOS adjustment unit | M52 / M52TU / M54 / M56 / S52 / S50 US / M50 / VANOS | M22 x 1.5 | 50 Nm | |
| 4AZ Left-hand thread: Set screw for hydraulic piston to toothed shaft | M52TU / M54 / M56 | M6 | 10 Nm | |
| 5AZ Hydraulic line for VANOS to oil filter equipment carrier | M52 / M52TU / M54 / M56 / S52 / S50 US / M50 / VANOS | 32 Nm | ||
| 6AZ Collar nut on spline shaft | S50 | M6 | 9 Nm | |
| 7AZ Cover to VANOS adjustment unit (hydraulic piston inlet side) | S50 | M5 | 5 Nm | |
| 8AZ Filter screw to VANOS adjustment unit | S50 | M10 x 1 | 12 Nm | |
| 9AZ Pressure line to VANOS adjustment unit | S62 / S54 | M10 x 1 | 13 Nm | |
| Pressure line to pressure accumulator and VANOS adjustment unit | S50 | M12 x 1 | 20 Nm | |
| 10AZ Cover for solenoid valve to VANOS adjustment unit | S50 / B30 | M5 8.8 | 6 Nm | |
| S50 / B32 | M5 10.9 | 8 Nm | ||
| S62 | M7 10.9 | 19 Nm | ||
| 11AZ Cover to VANOS adjustment unit (exhaust side) | S54 / S50 / B32 | M6 10.9 | 13 Nm | |
| 12AZ Solenoid valve on distributor | M62 / VANOS | M27 x 1.5 | 25 Nm | |
| 13AZ Left-hand thread: Exhaust chain wheel to exhaust camshaft | M62 / VANOS | M12 x 1.5 | 125 Nm | |
| 14AZ Left-hand thread: VANOS adjustment unit to inlet camshaft | M62 / VANOS | M12 x 1.5 | 110 Nm | |
| 15AZ Left-hand thread: Nut of sensor gear screw fitting | M62 / VANOS | M18 x 1.5 | 40 Nm | |
| 16AZ Adjustment unit to exhaust or inlet camshaft | N40 / N42 / N45 / N46 | M10 x 1 | Replace screws | |
| Jointing torque | 20 Nm | |||
| Torque angle | 90° | |||
| Torque angle | 90° | |||
| N62 / N73 | M10 x 1 | Replace screws | ||
| Torque | 80 Nm | |||
| 17AZ Non-return valve | N62 / N73 | M14 x 1.5 | 20 Nm |