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.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSBMW2009335I 2D CONVERTIBLE, STANDARDREPAIR AND DIAGNOSISENGINE PERFORMANCEENGINE CONTROL SYSTEMSENGINE - REPAIR (N54)
2009 BMW 335i 2D Convertible, Standard
Engine - Repair (N54)
2009 BMW 335i 2D Convertible, StandardSECTION Engine - Repair (N54)
- 00 Engine General
- 00 Danger of Poisoning If Oil Is Ingested/Absorbed Through the Skin
- 00 Risk of Injury If Oil Comes Into Contact With Eyes and Skin
- 00 Safety Instructions For Handling Oil
- 11 00 Removing and Installing/Replacing Acoustic Cover (N54)
- 11 00 050 Removing and Installing Engine (N54)
- 11 00 670 Securing Engine in Installation Position (N54)
- Engine Identification
- Mounting Engine On Assembly Stand (N54)
- 12 Cylinder Head With Cover
- 13 Oil Sump
- 14 Housing Cover
- 21 Crankshaft With Bearing
- 22 Flywheel
- 23 Vibration Damper
- 24 Connecting Rod With Bearing
- 25 Piston With Rings and Pin
- 28 V-Ribbed Belt With Tens Deflect Element
- 31 Camshaft
- 33 Rocker Arm With Bearing
- 34 Valves With Springs
- 36 Variable Camshaft Timing
- 40 Oil Supply
- 41 Oil Pump With Filter and Drive
- 51 Water Pump With Drive
- 53 Thermostat and Connect
- 61 Intake Manifold
- 65 Supercharger With Control
- 66 Vacuum Pump
- 78 Emission Control Oxygen
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.