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 MANUALSBMW2009335XI 4D SEDAN, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 214 (ENGINE - TIGHTENING TORQUES - X5 (4.4L))ENGINE BLOCK11 11 ENGINE BLOCK
2009 BMW 335xi 4D Sedan, Automatic
11 11 Engine Block
2009 BMW 335xi 4D Sedan, AutomaticSECTION 11 11 Engine Block
WARNING: This page is about a different car, the 2003 BMW X5, 2002 BMW X5, 2001 BMW X5, and 2000 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.
11 11 Engine Block Fastener Tightening Specification
| Type | Thread | Tightening specification | Measure | |
|---|---|---|---|---|
| 1AZ Main bearing screws | M10/M20/M30 | M10 | Replace, wash and oil screws | 60 N.m |
| M21 | M10 | Replace, wash and oil screws | 65 N.m | |
| S38/S14/ M40 / M42 / M43 / M43TU / M44 / M50 / M41 / M51 / S50 / S50 US | M10 | Replace, wash and oil screws | ||
| Jointing torque | 20 N.m | |||
| Torque angle | 50° | |||
| M47 / M57 | M10 | Replace, wash and oil screws | ||
| Jointing torque | 20 N.m | |||
| Torque angle | 70° | |||
| M47TU / M57TU | M10 | Replace, wash and oil screws | ||
| Jointing torque | 22 N.m | |||
| Torque angle | 90° | |||
| M67 | M12 | Replace, wash and oil screws | ||
| Jointing torque | 20 N.m | |||
| Torque angle | 200° | |||
| S54 | M10 | Replace, wash and oil screws | ||
| Jointing torque | 25 N.m | |||
| Torque angle | 50° | |||
| 2AZ Main bearing screws | M70 / S70 / M73 | M10 | Replace screws Do not wash off screw coating | |
| Jointing torque | 20 N.m | |||
| Torque angle | 70° | |||
| M60 / M62 | M10/M11 | Replace screws Do not wash off screw coating | ||
| M10/M11 | Jointing torque | 20 N.m | ||
| M10 | Torque angle | 70° | ||
| M11 | Torque angle | 100° | ||
| M54 / M56 / M52TU / M52 / with aluminum engine block | M10 | Replace, wash and oil screws | ||
| Jointing torque | 20 N.m | |||
| Torque angle | 70° | |||
| S52/M52/with cast iron engine block | M10 | Replace, wash and oil screws | ||
| Jointing torque | 20 N.m | |||
| Torque angle | 50° |
11 11 Engine Block Fastener Tightening Specification
| Type | Thread | Tightening specification | Measure | |
|---|---|---|---|---|
| 3AZ Taper screw mount on main bearing | ||||
| Screws and spacer bolts | M60 / M62 / M70 / S70 / M73 / S62 | M8 | Replace screws | |
| Jointing torque | 20 N.m | |||
| Torque angle | 45° | |||
| N62 / N62TU / N73 | M8 | 34 N.m | ||
| Threaded support sleeves | M70 / M60 / M62 / S70 / M73 / S62 | 10 N.m | ||
| N62 / N62TU / N73 | 6N.m | |||
| 4AZ Struts/bracing shell | M67 | M10.9 | 66 N.m | |
| M10 | 43 N.m | |||
| M8 | 22 N.m | |||
| 5AZ Drain plug for coolant in engine block | M14x1.5 | 25 N.m | ||
| 6AZ Main oil gallery seal plugs | M16x1.5 | 34 N.m | ||
| M 18x1.5 | 40 N.m | |||
| N62 / N62TU / N73 | M 18x1.5 | Insert screw with Loctite | 25 N.m | |
| N40 / N42 / N45 / N46 | M 16x1.5 | 36 N.m | ||
| Main oil gallery, rear (seal plugs with control valve) | M62 / S62 | M18x1 | 10 N.m | |
| 7AZ Oil spray nozzle on engine block | M6 | 10 N.m | ||
| Oil spray nozzle screwed into bearing seat (coat thread with Loctite 243) | M73 | M8x1 | 5 N.m | |
| Oil spray nozzle to engine block (banjo bolt) | M8x1 | 12 N.m | ||
| 8AZ Pressure holding valve to crankcase (1bar) | S54 / B32 | 20 N.m |
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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.