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 1088 (HEATING AND AIR CONDITIONING - REPAIR)
2013 BMW 128i 2D Convertible, Eng CD N52, Standard Trans
Section 1088 (Heating And Air Conditioning - Repair)
2013 BMW 128i 2D Convertible, Eng CD N52, Standard TransSECTION Section 1088 (Heating And Air Conditioning - Repair)
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2014 BMW X6, 2013 BMW X6, 2012 BMW X6, 2011 BMW X6, and 2010 BMW X6. However, it is still accessible from the selected car via links, so may be relevant.
- Note, Overview Components Climate Control
- Heater
- 64 11... Overview of heater/air conditioner servomotors
- 64 11... Installing servodrive
- 64 11 206 Removing and installing/replacing heater
- 64 11 208 Replacing heater core
- 64 11 212 Removing and installing/replacing heater/air conditioner fan
- 64 11 224 Replacing controller for heater/air conditioner fan (US version)
- 64 11 225 Replacing controller for heating and air conditioning system
- 64 11 263 Removing and installing complete rear cabin fan
- 64 11 273 Replacing water valve for heater
- 64 11 376 Removing and installing (replacing) control panel for heater - A/C system
- 64 11 395 Removing and installing control panel for rear cabin A/C system
- 64 11 794 Removing and installing/replacing controller for rear cabin fan
- 64 11 806 Removing and installing/replacing servodrive for fresh-/recirculated-air flap
- 64 11 822 Replacing servodrive for left rear cabin blending flap
- 64 11 823 Replacing servodrive for right rear cabin air blending flap
- 64 11 830 Replacing servodrive for left ventilation flap
- 64 11 832 Replacing servodrive for right ventilation flap
- 64 11 835 Replacing servodrive for left blending flap
- 64 11 837 Replacing servodrive for right blending flap
- 64 11 840 Replacing servodrive for left footwell flap
- 64 11 842 Replacing servodrive for right footwell flap
- 64 11 846 Replacing actuator drive of defrosting flaps
- 64 11 849 Replacing servodrive for dynamic pressure compensation
- 64 11 857 Replacing servodrive for left rear cabin footwell flap
- 64 11 858 Replacing servodrive for right rear cabin footwell flap
- 64 11 906 Removing and installing/replacing ventilation temperature sensor (middle fresh-air grille)
- 64 11 939 Replacing (one) temperature sensor for heater
- 64 11 942 Replacing evaporator temperature sensor
- 64 11 970 Replacing fogging sensor (from 10/2008)
- 64 11 970 Replacing fogging sensor (up to 10/2008)
- 64 11 990 Removing and installing/replacing sensor for automatic recirculated air control (AUC)
- Auxiliary Heater With Control Elements
- 64 12... Initializing Telestart hand transmitter (T93) (from build date 03/2007)
- 64 12 089 Removing and installing or replacing muffler/silencer
- 64 12 120 Removing and installing/replacing intake muffler for independent/auxiliary heater
- 64 12 160 Removing and installing/replacing complete independent heater with bracket
- 64 12 570 Replacing auxiliary water pump for independent/auxiliary heater
- 64 12 577 Replacing changeover valve for independent/auxiliary heater
- 64 12 600 Removing and installing or replacing fuel pump
- 64 12 670 Replacing front electric auxiliary heater
- 64 12 673 Replacing left or right electric auxiliary heater - rear cabin
- 64 12 681 Replacing temperature sensor for left or right electric auxiliary heater - rear cabin
- Nozzles And Outlets
- 64 22... Removing and installing windscreen air duct
- 64 22 135 Removing and installing or replacing left fresh-air grille
- 64 22 136 Removing and installing/replacing right fresh-air grille
- 64 22 164 Removing and installing or replacing middle fresh-air grille
- 64 22 191 Removing and installing/replacing rear cabin fresh-air grille
- MICROFILTER
- 64 31 011 Replacing microfilter for interior ventilation
- 64 31 010 Replacing Microfilter For Interior Ventilation
- 64 31 017 Replacing recirculated air microfilter
- 64 31 053 Removing and installing or replacing fresh-air duct
- 64 31 081 Removing and installing/replacing microfilter housing
- 64 31 101 Removing and installing/replacing left microfilter housing cover
- 64 31 106 Removing and installing/replacing right microfilter housing cover
- Air Conditioning
- 64 50... A/C efficiency test (R 134a)
- 64 50... Air conditioner test (R 134a)
- 64 50... Instructions for handling refrigerant R 134a
- 64 50... Instructions for handling refrigerant oil (for refrigerant R 134a)
- 64 50... Leak testing with ultraviolet additives (UV additives) (BMW leak-testing case)
- 64 50... Safety instructions for handling refrigerant R134a
- 64 50... Safety instructions for handling refrigerant oil
- 64 50 009 Drawing off, evacuating and filling A/C system (R 134a)
- 64 50 010 Drawing off, evacuating and filling heating and air conditioning system (R 134a)
- 64 52... Instructions for opening and replacing parts in refrigerant circuit
- Ac Housing/Evaporator, Switching Elements
- Compressor
- Condenser And Dryer With Lines
- 64 11... Overview of heater/air conditioner servomotors
- 64 51... Leak-testing condenser
- 64 52... Instructions for opening and replacing parts in refrigerant circuit
- 64 53...Instructions for replacement of air conditioning capacitors and radiator/coolers
- 64 53... Notes on replacing drier bottle or drier insert
- 64 53 517 Replacing desiccant insert for A/C system
- 64 53 520 Replacing safety pressure switch
- 64 53 551 Removing and installing or replacing condenser for A/C system
- 64 53 642 Replacing line from compressor to condenser
- 64 53 660 Replacing line from compressor to double pipe (version 1)
- 64 53 670 Replacing line from compressor to double pipe (version 2)
- 64 53 733 Replacing double pipe
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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.