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 MANUALSBMW2013128I 2D CONVERTIBLE, ENG CD N52, STANDARD TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1664 (HEATING AND AIR CONDITIONING - REPAIR - E91)
2013 BMW 128i 2D Convertible, Eng CD N52, Standard Trans
Section 1664 (Heating And Air Conditioning - Repair - E91)
2013 BMW 128i 2D Convertible, Eng CD N52, Standard TransSECTION Section 1664 (Heating And Air Conditioning - Repair - E91)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 BMW 328xi, 2012 BMW 328i, 2011 BMW 328xi, 2011 BMW 328i, and 2010 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.
- 6400 General
- 6411 Heater With Operation
- 64 53... Overview of A/C circuit components
- 64 11.. Overview of actuator drives on heater/air conditioner
- 64 11 856 Removing and installing/replacing servodrive for central kinematics (A/C control)
- 64 11 206 Removing and installing/renewing heating unit
- 64 11 908 Removing and installing/replacing footwell temperature sensor
- 64 11 212 Removing and installing/replacing heater/air conditioner fan
- 64 11 377 Removing and installing/replacing heater/air conditioner operator unit (version without CCC/ASK)
- 64 11 378 Removing and installing/replacing heating - A/C system control panel (version with CCC/ASK and CIC)
- 64 11 991 Removing and installing/replacing sensor for automatic recirculated air control
- 64 11 871 Removing and installing/replacing actuator drive for blending flap (left)
- 64 11 866 Removing and installing/replacing servodrive for blending flap (left)
- 64 11 872 Removing and installing/replacing servodrive for blending flap (right)
- 64 11 868 Removing and installing/replacing servodrive for defrosting flap (right)
- 64 11 806 Removing and installing/replacing servodrive for fresh-/recirculated-air flap
- 64 11 992 Removing and installing/replacing solar sensor
- 64 11 905 Removing and installing/replacing ventilation temperature sensor
- 64 11 829 Replacing actuator drive of ventilation flaps
- 64 11 224 Replacing controller for heater/air conditioner system
- 64 11 942 Replacing evaporator temperature sensor
- 64 11 970 Replacing fogging sensor
- 64 11 208 Replacing heat exchanger
- 64 11 869 Replacing servodrive for blending flap
- 64 11 839 Replacing servodrive for footwell flap (automatic A/C)
- 64 11 850 Replacing servodrive for rear compartment flap
- 64 11 273 Replacing water valve for heater
- 6412 Auxiliary Heater With Control Elements
- 64 12... Initializing Telestart handheld transmitter (T93) (from build date 03/2007)
- 64 12... Initializing Telestart hand transmitter (T90) (up to build date 03/2007)
- 64 12 160 Removing and installing or replacing complete independent heater with bracket
- 64 12 600 Removing and installing or replacing fuel pump
- 64 12 089 Removing and installing or replacing muffler/silencer
- 64 12 120 Removing and installing/replacing intake muffler for independent/auxiliary heater
- 6422 Nozzles And Outlets
- 64 22... Removing air ducts
- 64 22 162 Removing and installing/replacing center fresh-air grille
- 64 22 137 Removing and installing/replacing left fresh-air grille
- 64 22 191 Removing and installing/replacing rear compartment fresh-air grille
- 64 22 138 Removing and installing/replacing right fresh-air grille
- 6431 MICROFILTER
- 6450 Air Conditioning System
- 64 50... A/C performance test (R 134a)
- 64 50 009 Drawing off, evacuating and filling heating and air conditioning system (R 134a)
- 64 50... Install the retrofit absorber for the air conditioning suction line
- 64 50... Instructions for handling refrigerant R 134a
- 64 50... Instructions for handling refrigerant oil (for refrigerant R 134a)
- 64 52... Instructions for opening and replacing parts in refrigerant circuit
- 64 53... Instructions for replacement of air conditioning capacitors and radiator/coolers
- 64 50... Leak detection with ultraviolet additives (UV additives) (BMW leak-testing case)
- 64 50... Safety instructions for handling R134a refrigerant
- 64 50... Safety instructions for handling refrigerant oil
- 6451 Ac Housing/Evaporator, Switching Elements
- 6452 Compressor
- 6453 Condenser And Dryer With Lines
- 64 53...Instructions for desiccant insert replacement
- 64 52... Instructions for opening and replacing parts in refrigerant circuit
- 64 53... Instructions for replacement of air conditioning capacitors and radiator/coolers
- 64 51... Leak-testing condenser
- 64 53... Notes on replacing dryer flask or desiccant insert
- 64 53... Overview of A/C circuit components
- 64 53 550 Removing and installing or replacing capacitor for heating and air conditioning system
- 64 53 515 Replacing desiccant insert for air conditioning system
- 64 53 520 Replacing safety pressure switch
- 64 53... Replacing valve insert for refrigerant line
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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.