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 MANUALSBMW2009135I 2D CONVERTIBLE, STANDARDREPAIR AND DIAGNOSISENGINE PERFORMANCEFUEL DELIVERYFUEL SYSTEM - REPAIRTHROTTLE AND OPERATION11 61 365 REPLACING FRONT CHARGE-AIR DUCT (N54)
2009 BMW 135i 2D Convertible, Standard
11 61 365 Replacing front charge-air duct (N54)
2009 BMW 135i 2D Convertible, StandardSECTION 11 61 365 Replacing front charge-air duct (N54)
Special tools required:
- 11 8 670
See ENGINE- SPECIAL TOOLS .
Necessary preliminary tasks:
- Remove fan cowl . See 17 11 035 REMOVING AND INSTALLING/REPLACING FAN COWL WITH ELECTRIC FAN (N54) .
- Remove front underbody protection . See 51 47 490 REMOVING AND INSTALLING/REPLACING FRONT UNDERBODY PROTECTION (CONVERTIBLE) or 51 47 490 REMOVING AND INSTALLING / REPLACING FRONT UNDERBODY PROTECTION (COUPE) .
IMPORTANT:
Coat sealing rings of quick-connect couplings with antiseize agent.
Pressure pipes with quick-connect couplings cannot be fitted without antiseize agent.
Pressure pipes with quick-connect couplings cannot be fitted without antiseize agent.
Unlock quick-connect coupling.
Detach charge-air duct (1) from intercooler (2).
Installation:
- Coat sealing rings of quick-connect couplings with antiseize agent.
- Pressure pipes must audibly snap into place.
RENDER: 1.0x
NO RELATED
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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.