2019 BMW M4

Here’s a breakdown of common issues and complaints for the 2019 BMW M4, organized by category and component, following your requested format.

The 2019 BMW M4 is a high-performance coupe and convertible known for its sharp handling, powerful engine, and aggressive styling. It came equipped with a 3.0-liter inline-six turbocharged engine producing 425 horsepower and 406 lb-ft of torque in its standard configuration, with the Competition Package boosting output to 444 horsepower. Transmission options included a 6-speed manual and a 7-speed dual-clutch automatic (DCT). People generally praised the M4’s performance capabilities and driver engagement, while some criticized its somewhat harsh ride and occasionally unrefined engine sound.

Engine

S55 3.0L Turbocharged Inline-Six

• Charge Air Cooler Failure
  • Description/Symptoms: Cracking of the charge air cooler can lead to coolant leaking into the intake system. This can result in reduced performance, misfires, and potential engine damage. Symptoms include loss of power, rough idling, and coolant consumption.
  • Solution: Replace the charge air cooler with an updated version.
  • Estimated Cost to Fix: $1,500 - $2,500+
  • Recalls: None Found
• Oil Leaks (Valve Cover Gasket and Oil Filter Housing)
  • Description/Symptoms: Oil leaks are relatively common, often originating from the valve cover gasket or the oil filter housing. Symptoms include visible oil leaks, burning oil smell, and low oil level.
  • Solution: Replace the valve cover gasket or oil filter housing gasket.
  • Estimated Cost to Fix: $300 - $800 (depending on location and severity)
    • Recalls: None Found

Transmission

7-Speed Dual-Clutch Transmission (DCT)

• Harsh Shifting/Jerky Operation
  • Description/Symptoms: Some owners have reported harsh shifting, particularly at low speeds or during downshifts. This can manifest as a jerky or clunky feeling.
  • Solution: Software updates, clutch adaptations, or in some cases, replacement of clutch packs or mechatronic unit.
  • Estimated Cost to Fix: $200 (software update) - $6,000+ (clutch replacement)
    • Recalls: None Found
• DCT Failure
  • Description/Symptoms: Total loss of transmission operation and/or function.
  • Solution: Replacement of the transmission
  • Estimated Cost to Fix: $9,000+
  • Recalls: None Found

Suspension

• Adaptive Damper Failure (Electronic Damper Control - EDC)
  • Description/Symptoms: Failure of the electronic dampers can lead to a loss of ride quality and handling. Symptoms include a harsh or bouncy ride, uneven tire wear, and warning lights on the dashboard.
  • Solution: Replace the faulty damper.
  • Estimated Cost to Fix: $1,000 - $2,000+ per damper (including labor)
  • Recalls: None Found

Electrical

• iDrive System Issues
  • Description/Symptoms: The iDrive infotainment system can experience glitches, freezing, or unresponsive behavior.
  • Solution: Software updates, or in some cases, replacement of the iDrive control unit.
  • Estimated Cost to Fix: $150 (software update) - $1,500+ (control unit replacement)
  • Recalls: None Found
• Sensor Malfunctions (Parking Sensors, TPMS)
  • Description/Symptoms: Malfunctions of parking sensors or the tire pressure monitoring system (TPMS) are occasionally reported. Symptoms include error messages on the dashboard or non-functioning sensors.
  • Solution: Replacement of faulty sensors.
  • Estimated Cost to Fix: $200 - $500 per sensor (including labor)
  • Recalls: None Found

Exterior

• No Issues Found

Interior

• Rattling/Squeaking Noises
  • Description/Symptoms: Some owners have reported rattles and squeaks emanating from the dashboard, door panels, or rear shelf.
  • Solution: Identify and address the source of the noise by tightening loose components or adding sound-deadening material.
  • Estimated Cost to Fix: $50 - $500+ (depending on complexity)
  • Recalls: None Found

Summary

The 2019 BMW M4, while offering exhilarating performance, can present some common issues for owners. Engine-related problems such as charge air cooler failures and oil leaks can lead to significant repair costs. The DCT transmission may experience harsh shifting or, in more severe cases, outright failure, resulting in very expensive repairs. Suspension issues with the adaptive dampers can compromise ride quality and handling, and electrical glitches with the iDrive system or sensors can be frustrating. While some issues are relatively minor, others can be costly to address, so a thorough inspection is recommended before purchasing a used 2019 M4.