Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSBMW2011335I 4D SEDAN, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1465 (HEATING AND AIR CONDITIONING - TIGHTENING TORQUES - E90)A/C COMPRESSOR64 52 A/C COMPRESSOR
2011 BMW 335i 4D Sedan, Standard
64 52 A/C compressor
2011 BMW 335i 4D Sedan, StandardSECTION 64 52 A/C compressor
WARNING: This page is about a different car, the 2011 BMW M3, 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.
TIGHTENING TORQUE SPECIFICATION - A/C COMPRESSOR
| Type | Thread | Tightening specification | Measure | |
|---|---|---|---|---|
| 1AZ Refrigerant lines to A/C compressor | E36/7 M54, E36/7 S54, E38, E39, E46, E52, E53, E60, E61, E63, E64, E65, E66, E67, E83, E85, E87, E90, E91, E92, E93 | M8 | 20 Nm | |
| 2AZ Filler plug, A/C compressor | E36, E38, E39, E46, E52, E53, E60, E61, E63, E64, E65, E66, E67, E83, E85, E87, E90, E91, E92, E93 | 30±1 Nm | ||
| 3AZ A/C compressor to carrier | M67TU, M54, N62, S85, N54 | M8 | 21 Nm | |
| N45, N46, M47T2, M57TU, M57T2 | M8 | 19 Nm | ||
| N52K | M8 x 87 | Replace aluminium screw/bolt Jointing torque Torque angle |
10 Nm 180±15° |
|
| N52K | M8 x 52 | Replace aluminium screw/bolt Jointing torque Torque angle |
10 Nm 90±15° |
|
| N52 | M8 x 87 | Replace aluminium screw/bolt Jointing torque Torque angle |
10 Nm 180±15° |
|
| N53 | M8 x 52 | Replace aluminium screw/bolt Jointing torque Torque angle |
10 Nm 90±15° |
|
| N53 | M8 x 87 | Replace aluminium screw/bolt Jointing torque Torque angle |
10 Nm 180±15° |
|
| E85 S54, E86 S54 | 20 Nm | |||
| 4AZ Belt pulley/hub to A/C compressor | M47T2 | 35±5 Nm | ||
| 5AZ Bracket, A/C compressor to lower crankcase | N54 | 19 Nm | ||
| 6AZ Cable holder to A/C compressor | M47T2 | 3 Nm |
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.