54 31 Convertible Top, Frame and Actuation (Mechanical Components)
| Application | Type | Thread | Measure |
|---|---|---|---|
| 1AZ Storage lock to body | E85 | 8 Nm | |
| 2AZ Hydraulic unit carrier to body | E52 | 11 Nm | |
| 3AZ Engine and gear unit Top actuating mechanism to body/mount | E30 | 10 Nm | |
| 4AZ Engine and gear unit Top actuating mechanism to body | E30 / E36 | 10 Nm | |
| 5AZ Drive arm to engine/gear unit | E30 | M6 | 3 Nm |
| 6AZ Drag arm to engine/gear unit | E30 | M12 | 12.6 Nm |
| 7AZ Thrust rods to drive arm | E30 | M4 | 1.2 Nm |
| 8AZ Thrust rods to convertible top | E30 | M10 | 25 Nm |
| 9AZ Guide to convertible top lock | E36 / E46 | 8 Nm | |
| 10AZ Headliner to finisher strip (convertible top lock) | E36 | 1 Nm | |
| 11AZ Holder for convertible top compartment lid cylinder to body | E46 | 21.5 Nm | |
| 12AZ Main bearing to convertible top frame (B-pillar) | E85 | M8 | 17 Nm |
| 13AZ Fold bar to convertible top frame | E52 | 5 Nm | |
| 14AZ Convertible top frame to main bearing | E85 | M6 | 11 Nm |
| 15AZ Convertible top lock to convertible top frame (bow 1) | E85 | M6 | 14.5 Nm |
| 16AZ Window run to convertible top frame | E85 | M5 | 5.1 Nm |
| 17AZ Convertible top catch to convertible top frame (bow 1) | E85 | M5 | 8.5 Nm |
| 18AZ Convertible top compartment to body | E64 | 6 Nm | |
| 19AZ Bracket, rear window module, to rear window module | E64 | 20 Nm | |
| 20AZ Bracket, rear window module, to roll bar | E64 | 20.5 Nm | |
| 21AZ Base plate, convertible top, to cowl panel | E64 | 8.6 Nm | |
| 22AZ Main bearing, convertible top | E64 | 20.5 Nm |
54 31 CONVERTIBLE TOP, FRAME AND ACTUATION (MECHANICAL COMPONENTS) TIGHTENING SPECIFICATION
| Application | Type | Thread | Measure |
|---|---|---|---|
| 1AZ Storage lock to body | E85 | 8 Nm | |
| 2AZ Hydraulic unit carrier to body | E52 | 11 Nm | |
| 3AZ Engine and gear unit Top actuating mechanism to body/mount | E30 | 10 Nm | |
| 4AZ Engine and gear unit Top actuating mechanism to body | E30 / E36 | 10 Nm | |
| 5AZ Drive arm to engine/gear unit | E30 | M6 | 3 Nm |
| 6AZ Drag arm to engine/gear unit | E30 | M12 | 12.6 Nm |
| 7AZ Thrust rods to drive arm | E30 | M4 | 1.2 Nm |
| 8AZ Thrust rods to convertible top | E30 | M10 | 25 Nm |
| 9AZ Guide to convertible top lock | E36 / E46 | 8 Nm | |
| 10AZ Headliner to finisher strip (convertible top lock) | E36 | 1 Nm | |
| 11AZ Holder for convertible top compartment lid cylinder to body | E46 | 21.5 Nm | |
| 12AZ Main bearing to convertible top frame (B-pillar) | E85 | M8 | 17 Nm |
| 13AZ Fold bar to convertible top frame | E52 | 5 Nm | |
| 14AZ Convertible top frame to main bearing | E85 | M6 | 11 Nm |
| 15AZ Convertible top lock to convertible top frame (bow 1) | E85 | M6 | 14.5 Nm |
| 16AZ Window run to convertible top frame | E85 | M5 | 5.1 Nm |
| 17AZ Convertible top catch to convertible top frame (bow 1) | E85 | M5 | 8.5 Nm |
| 18AZ Convertible top compartment to body | E64 | 6 Nm | |
| 19AZ Bracket, rear window module, to rear window module | E64 | 20 Nm | |
| 20AZ Bracket, rear window module, to roll bar | E64 | 20.5 Nm | |
| 21AZ Base plate, convertible top, to cowl panel | E64 | 8.6 Nm | |
| 22AZ Main bearing, convertible top | E64 | 20.5 Nm |
54 31 CONVERTIBLE TOP, FRAME AND ACTUATION (MECHANICAL COMPONENTS) TIGHTENING SPECIFICATION
54 34 Motor-driven Convertible Top (Electrical Components)
| Application | Type | Work instruction | Measure |
|---|---|---|---|
| 1AZ Drive for convertible top lock to carrier panel | E46 Convertible / E64 | Screws are microencapsulated | 10 Nm |
| 2AZ Drive for convertible top lock to carrier panel | E85 | Screws are microencapsulated | 5 +/- 0.25 Nm |
| 3AZ Carrier panel from drive for convertible top lock to convertible top | E46 Convertible | Screws are microencapsulated | 10 +/- 1.5 Nm |
| 4AZ Nuts to vibration damper | E46 Convertible | 5 +/- 0.75 Nm | |
| 5AZ Hall sensors to EH convertible top | E64 | Flat mushroom head screw | 0.8 +/- 0.2 Nm |
| 6AZ Drive for rear window | E64 | Cheese-head screw Torx 25 | 5 +/- 0.75 Nm |
54 34 MOTOR-DRIVEN CONVERTIBLE TOP (ELECTRICAL COMPONENTS) TIGHTENING SPECIFICATION
54 34 Motor-driven Convertible Top (Hydraulic Components)
| Application | Type | Work instruction | Measure |
|---|---|---|---|
| 1AZ Hydraulic lines to electrohydraulic convertible top | E30 | 8.6 Nm | |
| 2AZ Valves to hydraulic control unit | E30 | 2 Nm | |
| 3AZ Hydraulic unit to body or carrier | E46 / Z3 and M Roadster | 10 Nm | |
| E52 | 11 Nm | ||
| 4AZ Lines to hydraulic unit | Z3 and M Roadster | 16 Nm | |
| E52 / E85 | 12 Nm | ||
| 5AZ Oil filler plug to hydraulic unit | E46 / Z3 and M Roadster / E52 | 11 Nm | |
| E85 | 1 Nm | ||
| 6AZ Lines to cylinder | E85 | 2.5 Nm | |
| 7AZ Emergency release to hydraulic unit | E85 | 0.4 Nm | |
| 8AZ Emergency release to convertible top | E85 | Nm | |
| 9AZ Rear window module to main bearing | E64 | 10 +/- 1.5 Nm | |
| 10AZ Tray, rear window module | E64 | Oval-head screw | 2.5 +/- 0.5 Nm |
| 11AZ Rear window to power window unit | E64 | 5 +/- 0.75 Nm | |
| 12AZ Lockplate to hydraulic cylinders | E64 | 2.9 +/- 0.7 Nm | |
| 13AZ Tension cable mounting | E64 | 2.5 Nm |
54 34 MOTOR-DRIVEN CONVERTIBLE TOP (HYDRAULIC COMPONENTS) TIGHTENING SPECIFICATION