BMW i4 G26

Fifth generation BMW electric drive — current-excited synchronous motor without rare earths, high efficiency. Vitesco coolant circuit valves are the most common hardware weakness — a leaking changeover valve disables climate control or fast charging. DC fast charging via CCS occasionally fails completely (CCU defect). Thermal management throttles noticeably during sustained high-speed driving. Multiple recalls address HV software and brake booster (iBoost). Two fire-risk recalls for battery cell manufacturing defects and weld seam issues — have VIN checked at the dealer.

• !! Faulty switching valve in cooling circuit (Vitesco) from 30,000 km

  A Vitesco switching valve (64119462114) in the cooling circuit fails, especially in frost. Coolant runs out before the warning light activates. BMW temporarily imposed a global delivery stop on new i4s.

  Symptoms: Coolant puddle under the car; heater fails before warning light illuminates; coolant level warning appears too late.
  500–1,800 $
  Ad 64119462114BMW i4 Kühlventil VitescoBMW i4 Umschaltventil cooling circuit
• !! Recall: software algorithm shuts down high-voltage system

  A software bug in the HV system monitoring triggers a preventive drivetrain shutdown even when no actual hazard exists. Vehicle loses drive within 15–20 seconds. BMW recalled 70,852 vehicles (i4/iX/i5/i7, MY 2022–2025).

  Symptoms: Warning 'High-voltage system fault' followed by loss of drive; steering and brake assist remain active; car coasts slowly to a stop.
  0–0 $
  Ad BMW BMW-Gen5-Single recall
• !! Recall: manufacturing defect in HV battery cells (fire risk)

  HV battery cell modules were not manufactured to specification. Module frame can crack, shut down the high-voltage system, or cells can overheat to fire risk. Affected: i4, iX, i7 (production 07.2021–02.2024).

  Symptoms: Loss of drive while moving; HV battery warning; in rare cases smoke or fire.
  0–0 $
  Ad BMW i4 high-voltage battery ZellmodulBMW iX battery packpack

+ 7 more engine weaknesses + vehicle weaknesses

Fifth generation BMW electric drive — current-excited synchronous motor without rare earths, high efficiency. Vitesco coolant circuit valves are the most common hardware weakness — a leaking changeover valve disables climate control or fast charging. DC fast charging via CCS occasionally fails completely (CCU defect). Thermal management throttles noticeably during sustained high-speed driving. Multiple recalls address HV software and brake booster (iBoost). Two fire-risk recalls for battery cell manufacturing defects and weld seam issues — have VIN checked at the dealer.

• !! Faulty switching valve in cooling circuit (Vitesco) from 30,000 km

  A Vitesco switching valve (64119462114) in the cooling circuit fails, especially in frost. Coolant runs out before the warning light activates. BMW temporarily imposed a global delivery stop on new i4s.

  Symptoms: Coolant puddle under the car; heater fails before warning light illuminates; coolant level warning appears too late.
  500–1,800 $
  Ad 64119462114BMW i4 Kühlventil VitescoBMW i4 Umschaltventil cooling circuit
• !! Recall: software algorithm shuts down high-voltage system

  A software bug in the HV system monitoring triggers a preventive drivetrain shutdown even when no actual hazard exists. Vehicle loses drive within 15–20 seconds. BMW recalled 70,852 vehicles (i4/iX/i5/i7, MY 2022–2025).

  Symptoms: Warning 'High-voltage system fault' followed by loss of drive; steering and brake assist remain active; car coasts slowly to a stop.
  0–0 $
  Ad BMW BMW-Gen5-Single recall
• !! Recall: manufacturing defect in HV battery cells (fire risk)

  HV battery cell modules were not manufactured to specification. Module frame can crack, shut down the high-voltage system, or cells can overheat to fire risk. Affected: i4, iX, i7 (production 07.2021–02.2024).

  Symptoms: Loss of drive while moving; HV battery warning; in rare cases smoke or fire.
  0–0 $
  Ad BMW i4 high-voltage battery ZellmodulBMW iX battery packpack

+ 7 more engine weaknesses + vehicle weaknesses

Twin-motor Gen5 drivetrain with AWD — from 230 kW in the xDrive30 up to 485 kW in the M70. More power but also more complexity. Drivetrain vibrations during acceleration and regeneration are a common theme — front motor brush wear creates carbon dust that triggers drive faults. Heat exchanger valves leak more often than on the single-motor variant (two cooling circuits instead of one). iDrive 8 freezes or restarts after OTA updates. The Combined Charging Unit (CCU) can completely block AC charging. Recalls for the brake system (iBoost) and HV battery cells apply — fire risk on certain batches.

• !! Recall: incorrectly manufactured Combined Charging Unit (CCU)

  The high-voltage combined charging unit (CCU) was incorrectly installed in a production batch. A loose component interrupts current flow and can shut down drive while driving. Affected: iX xDrive50, iX M60, i4 M50 (June–September 2022).

  Symptoms: Sudden loss of drive while moving; intermittent high-voltage fault messages; vehicle won't restart after shutting down.
  0–0 $
  Ad BMW CCU Ladecontrol unitBMW iX LadeeinheitBMW i4 M50 CCU
• !! Recall: manufacturing defect in HV battery cells (fire risk)

  Manufacturing defect in HV battery cell modules (production 07.2021–02.2024). Frame structure can crack, shut down the high-voltage system, or cells can overheat to the point of fire risk. Affected: i4 M50, iX M60, i7 M70.

  Symptoms: Sudden loss of drive; HV battery warning; in extreme cases smoke or fire at the battery.
  0–0 $
  Ad BMW iX M60 high-voltage batteryBMW i4 M50 battery packzellmodul
• !! Recall: Drive Software Shuts Down High-Voltage System

  Electric motor software misidentifies insulation faults and conservatively shuts down the HV system — sudden loss of drive above 30 km/h possible. NHTSA 25V395, approx. 70,000 vehicles affected. OTA fix available.

  Symptoms: Sudden complete loss of drive while driving without warning, vehicle coasts, cockpit warning message
  0–0 $

+ 6 more engine weaknesses + vehicle weaknesses