REGULATOR / RESISTOR
BMW 3 Series E90 / X1 E84 A/C Blower Motor Regulator Resistor | HELLA BEHR MAHLE 5HL351321704 | OEM 51119266185, 64116927090, 64119146765, 64119222072, 64119565892, 64119266185
BMW 3 Series E90 / X1 E84 A/C Blower Motor Regulator Resistor | HELLA BEHR MAHLE 5HL351321704 | OEM 51119266185, 64116927090, 64119146765, 64119222072, 64119565892, 64119266185

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BMW 3 Series E90 / X1 E84 A/C Blower Motor Regulator Resistor | HELLA BEHR MAHLE 5HL351321704 | OEM 51119266185, 64116927090, 64119146765, 64119222072, 64119565892, 64119266185

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Category: REGULATOR / RESISTOR Available
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Description

APPLICATION DETAILS

OEM 51119266185 64116927090 64119146765 64119222072 64119565892 64119266185 

BMW - 1 Series (E81) - 120 i [N43 B20 A] (2007.03 - 2012.09)
BMW - 1 Series (E81) - 130 i [N52 B30 A; N52 B30 BF; N52 B30 B] (2006.09 - 2011.12)
BMW - 1 Series (E87) - 118 i [N46 B20 B] (2004.07 - 2007.02)
BMW - 1 Series (E87) - 120 i [N46 B20 C; N46 B20 B; N46 B20 CC; N46 B20 BD] (2004.06 - 2007.02)
BMW - 1 Series (E87) - 120 i [N46 B20 E] (2008.06 - 2011.06)
BMW - 1 Series (E87) - 120 i [N43 B20 A] (2007.03 - 2011.06)
BMW - 1 Series (E87) - 130 i [N52 B30 AF] (2007.03 - 2011.06)
BMW - 1 Series Convertible (E88) - 120 i [N43 B20 A] (2007.12 - 2013.10)
BMW - 1 Series Convertible (E88) - 120 i [N46 B20 C; N46 B20 B; N46 B20 E] (2010.11 - 2013.12)
BMW - 1 Series Coupe (E82) - 120 i [N43 B20 A] (2007.10 - 2013.10)
BMW - 1 Series Coupe (E82) - 120 i [N46 B20 C; N46 B20 E; N46 B20 BD] (2009.09 - 2013.10)
BMW - 1 Series Coupe (E82) - M [N54 B30 A] (2011.09 - 2012.06)
BMW - 3 Series (E90) - 318 i [N46 B20 B] (2005.09 - 2007.08)
BMW - 3 Series (E90) - 318 i [N43 B20 A] (2007.09 - 2011.10)
BMW - 3 Series (E90) - 318 i [N46 B20 C; N46 B20 B; N46 B20 CC; N46 B20 CD; N46 B20 E] (2007.09 - 2011.10)
BMW - 3 Series (E90) - 320 i [N46 B20 C; N46 B20 BD; N46 B20 CB] (2004.12 - 2007.08)
BMW - 3 Series (E90) - 320 i [N43 B20 A] (2007.09 - 2011.10)
BMW - 3 Series (E90) - 320 i [N46 B20 C; N46 B20 B; N46 B20 CC; N46 B20 CD; N46 B20 E] (2007.02 - 2011.12)
BMW - 3 Series (E90) - 320 si [N45 B20 A] (2005.09 - 2006.08)
BMW - 3 Series (E90) - 323 i [N52 B25 A; N52 B25 B; N52 B25 BF; N52 B25 BE] (2005.09 - 2007.02)
BMW - 3 Series (E90) - 325 i [N52 B25 A; N52 B25 B; N52 B25 BF] (2004.12 - 2011.12)
BMW - 3 Series (E90) - 330 i [N52 B30 A; N52 B30 BF] (2004.12 - 2011.10)
BMW - 3 Series (E90) - 330 i [N53 B30 A] (2007.09 - 2011.10)
BMW - 3 Series (E90) - 335 i [N54 B30 A; N55 B30 A] (2006.09 - 2011.12)
BMW - 3 Series (E90) - M3 [S65 B40 A] (2007.12 - 2011.10)
BMW - 3 Series Touring (E91) - 320 i [N46 B20 C; N46 B20 B] (2005.09 - 2012.06)
BMW - 3 Series Touring (E91) - 325 i [N52 B25 A] (2004.12 - 2008.08)
BMW - 3 Series Convertible (E93) - 320 i [N43 B20 A] (2007.03 - 2013.10)
BMW - 3 Series Convertible (E93) - 320 i [N46 B20 B; N46 B20 E] (2007.01 - 2013.08)
BMW - 3 Series Convertible (E93) - 325 i [N52 B25 A] (2006.12 - 2010.02)
BMW - 3 Series Convertible (E93) - 330 i [N53 B30 A] (2007.03 - 2013.10)
BMW - 3 Series Convertible (E93) - 330 i [N52 B30 AF] (2010.03 - 2013.10)
BMW - 3 Series Convertible (E93) - 335 i [N54 B30 A; N55 B30 A] (2006.12 - 2013.10)
BMW - 3 Series Convertible (E93) - M3 [S65 B40 A] (2008.03 - 2013.10)
BMW - 3 Series Coupe (E92) - 320 i [N43 B20 A] (2007.03 - 2013.06)
BMW - 3 Series Coupe (E92) - 320 i [N46 B20 B; N46 B20 CC; N46 B20 CD; N46 B20 E] (2010.01 - 2013.06)
BMW - 3 Series Coupe (E92) - 325 i [N52 B25 A; N52 B25 AF; N52 B25 BF] (2006.06 - 2010.02)
BMW - 3 Series Coupe (E92) - 330 i [N52 B30 A; N52 B30 BF; N52 B30 AF] (2006.09 - 2010.02)
BMW - 3 Series Coupe (E92) - 330 i [N52 B30 A] (2010.03 - 2013.06)
BMW - 3 Series Coupe (E92) - 335 i [N54 B30 A; N55 B30 A] (2006.06 - 2013.06)
BMW - 3 Series Coupe (E92) - M3 [S65 B40 A] (2007.06 - 2013.06)
BMW - X1 (E84) - sDrive 18 i [N46 B20 C; N46 B20 B; N46 B20 CC; N46 B20 CD; N46 B20 E; N46 B20 BD] (2010.02 - 2015.06)
BMW - X1 (E84) - xDrive 20 i [N20 B20 A] (2011.12 - 2015.06)
BMW - X1 (E84) - xDrive 25 i [N52 B30 A] (2010.03 - 2011.08)
BMW - X1 (E84) - xDrive 28 i [N20 B20 A] (2011.12 - 2015.06)
BMW - X1 (E84) - xDrive 28 i [N52 B30 A] (2009.09 - 2011.08)
BMW - X3 (F25) - sDrive 20 i [N20 B20 A] (2014.04 - 2017.08)
BMW - X3 (F25) - xDrive 20 i [N20 B20 A] (2012.06 - 2017.08)
BMW - X3 (F25) - xDrive 28 i [N52 B30 A; N52 B30 BF; N52 B30 AF] (2011.03 - 2012.10)
BMW - X3 (F25) - xDrive 28 i [N20 B20 A] (2012.04 - 2017.08)
BMW - X3 (F25) - xDrive 35 i [N55 B30 A] (2010.09 - 2017.08)
BMW - X4 (F26) - xDrive 20 i [N20 B20 A] (2014.07 - 2018.03)
BMW - X4 (F26) - xDrive 28 i [N20 B20 A] (2014.07 - 2018.03)
BMW - X4 (F26) - xDrive 35 i [N55 B30 A] (2014.07 - 2018.03)
BMW - X5 (E70) - 3.0 si [N52 B30 A; N52 B30 BF; N52 B30 AF] (2006.10 - 2008.09)
BMW - X5 (E70) - 4.8 i xDrive [N62 B48 B] (2006.10 - 2008.09)
BMW - X5 (E70) - M [S63 B44 A] (2009.07 - 2013.07)
BMW - X5 (E70) - xDrive 30 i [N52 B30 A] (2008.10 - 2010.03)
BMW - X5 (E70) - xDrive 35 i [N55 B30 A] (2010.12 - 2013.07)
BMW - X5 (E70) - xDrive 40 i [N55 B30 A] (2012.02 - 2013.06)
BMW - X5 (E70) - xDrive 48 i [N62 B48 B] (2008.10 - 2010.03)
BMW - X5 (E70) - xDrive 50 i [N63 B44 A] (2010.04 - 2013.07)
BMW - X6 (E71, E72) - ActiveHybrid [N63 B44 A] (2010.04 - 2011.10)
BMW - X6 (E71, E72) - M [S63 B44 A] (2010.01 - 2014.07)
BMW - X6 (E71, E72) - xDrive 35 i [N54 B30 A; N55 B30 A] (2008.01 - 2014.07)
BMW - X6 (E71, E72) - xDrive 40 i [N55 B30 A] (2012.08 - 2014.06)
BMW - X6 (E71, E72) - xDrive 50 i [N63 B44 A] (2008.07 - 2014.07)
BMW - Z4 Roadster (E89) - sDrive 20 i [N20 B20 A] (2011.09 - 2016.08)
BMW - Z4 Roadster (E89) - sDrive 23 i [N52 B25 A; N52 B25 BF] (2009.03 - 2011.08)
BMW - Z4 Roadster (E89) - sDrive 28 i [N20 B20 A] (2011.09 - 2016.08)
BMW - Z4 Roadster (E89) - sDrive 30 i [N52 B30 A; N52 B30 BF; N52 B30 B] (2009.02 - 2011.08)
BMW - Z4 Roadster (E89) - sDrive 35 i [N54 B30 A] (2009.02 - 2016.08)
BMW - Z4 Roadster (E89) - sDrive 35 is [N54 B30 A] (2010.03 - 2016.08)

 

Genuine HELLA BEHR & MAHLE solid-state electronic blower regulator transistor, part number 5HL351321704. This is the OEM fan speed control unit for BMW E90 3 Series and E84 X1 automatic air conditioning systems. It receives PWM signals from the climate control ECU and provides stepless speed adjustment for the cabin blower motor. Equipped with a heavy-duty aluminum heat sink to dissipate heat efficiently and prevent thermal burnout. This single replacement part is fully compatible with six different BMW OEM part revisions. It features an OEM-matching plug and mounting hole layout for direct plug-and-play fitting without wiring modification.

Cross Reference Part Numbers

  1. Manufacturer Part No.: HELLA BEHR MAHLE 5HL351321704
  2. BMW OEM Interchange Part Numbers:
  • 51119266185
  • 64116927090
  • 64119146765
  • 64119222072
  • 64119565892
  • 64119266185

Exact Vehicle Fitment

  1. BMW 3 Series E90 318i
     
    Engines: N46 B20 C, N46 B20 B, N46 B20 CC, N46 B20 CD, N46 B20 E
     
    Production Period: 2007.09 – 2011.10
  2. BMW X1 E84 xDrive 20i
     
    Engine: N20 B20 A
     
    Production Period: 2011.12 – 2015.06
Additional compatible models: E91 E92 E93 3 Series variants with automatic climate control, LHD and RHD worldwide versions.
 
Only fits automatic HVAC systems, not manual air conditioning models.

Technical Specifications

  1. Working Voltage: 12V DC automotive power supply
  2. Structure: Electronic power control module with cast aluminum heat sink
  3. Connector: 4-pin OEM waterproof plug
  4. Installation: Two bolt fixed positions on the heater box
  5. Built-in protection: Overcurrent and overheat protection circuit
  6. Quality Standard: TS16949 European OEM production standard
  7. Control mode: Stepless PWM speed regulation

Core Functions

  1. Continuously adjust blower fan speed for heating and air conditioning airflow
  2. Follow climate control ECU commands to stabilize cabin temperature
  3. Protect the blower motor from damage caused by overcurrent overload
  4. Maintain stable airflow output for dual-zone automatic air conditioning

Common Malfunctions Resolved

  • Blower fan only runs at full speed without adjustable gears
  • Complete blower failure with no airflow from air outlets
  • Intermittent fan cut-off caused by overheating
  • Blown fuses due to short-circuit of burnt regulator
  • Burning plastic smell inside the glove box area
  • HVAC system fault codes stored in vehicle ECU

Product Advantages

  1. Original HELLA BEHR MAHLE Tier 1 OEM quality, same performance as factory-installed components
  2. Thick aluminum heat sink effectively reduces operating temperature and extends service life
  3. Exact OEM plug and mounting dimensions, no cutting or rewiring during installation
  4. Multiple safety circuits avoid repeated burnout failure
  5. One part covers six BMW OEM numbers, greatly reducing warehouse inventory SKUs

Package Includes

1 × HELLA BEHR MAHLE Blower Motor Regulator Resistor (5HL351321704)

Installation Guidance

  1. Disconnect the negative terminal of the 12V car battery before disassembly
  2. Remove the passenger glove box to access the blower regulator
  3. Check the blower motor for jamming; replace the motor together if it is stiff
  4. Test all fan speed levels after installation and clear fault codes with professional BMW diagnostic equipment

Warehouse SKU

BMW-BLOWER-REG-5HL351321704-E90-318I-E84-X1-XDRIVE20I
 

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