2021 BMW X4

The 2021 BMW X4 is a sporty coupe-like SUV that offers a blend of style, performance, and practicality. Engine options include the 2.0-liter turbocharged inline-4 producing 248 horsepower and 258 lb-ft of torque (X4 xDrive30i) and the 3.0-liter turbocharged inline-6 producing 382 horsepower and 369 lb-ft of torque (X4 M40i). All models come standard with an 8-speed automatic transmission. Owners often praise the X4 for its sharp handling, powerful engines, and luxurious interior. Common criticisms include its compromised rear headroom and cargo space compared to the more traditionally shaped X3, as well as its higher price point.

Engine

2.0L Turbocharged Inline-4 (xDrive30i)

• Oil Leaks (Valve Cover Gasket)
  • Description/Symptoms: Oil leaks from the valve cover gasket, leading to a burning smell and potential oil loss. Visible oil residue may be present on the engine.
  • Solution: Replacement of the valve cover gasket.
  • Estimated Cost to Fix: $400 - $800+
  • Recalls: None Found

3.0L Turbocharged Inline-6 (M40i)

• No Issues Found

Transmission

8-Speed Automatic (All Models)

• Rough Shifting/Hesitation
  • Description/Symptoms: Some owners have reported occasional rough or hesitant shifting, particularly when cold or during certain driving conditions. This can manifest as a clunking sound or a noticeable delay in gear changes.
  • Solution: Software update to the transmission control module (TCM). If the problem persists, valve body replacement or transmission rebuild may be required.
  • Estimated Cost to Fix: $200 (software update), $1,500 - $4,000+ (valve body/transmission work)
  • Recalls: None Found

Suspension

• Premature Wear of Suspension Components
  • Description/Symptoms: Reports of premature wear of suspension components, such as control arm bushings and ball joints, leading to clunking noises and decreased handling precision.
  • Solution: Replacement of worn suspension components.
  • Estimated Cost to Fix: $500 - $1,500+ (depending on the components needing replacement)
  • Recalls: None Found

Electrical

• Infotainment System Glitches
  • Description/Symptoms: The iDrive infotainment system may experience glitches, freezing, or spontaneous reboots.
  • Solution: Software update or replacement of the iDrive module.
  • Estimated Cost to Fix: $0 (software update, if covered under warranty), $500 - $1,500+ (module replacement)
  • Recalls: None Found
• Sensor Failures (Parking Sensors)
  • Description/Symptoms: Parking sensors may fail intermittently or stop working altogether, causing false alarms or failure to detect obstacles.
  • Solution: Replacement of faulty parking sensors.
  • Estimated Cost to Fix: $200 - $500+
  • Recalls: None Found

Exterior

• Tail Light Issues
  • Description/Symptoms: LED tail lights may experience flickering or complete failure.
  • Solution: Replacement of the tail light assembly.
  • Estimated Cost to Fix: $500 - $1000+
  • Recalls: None Found

Interior

• Creaking/Rattling Noises
  • Description/Symptoms: Reports of creaking or rattling noises emanating from the dashboard or trim panels, particularly on rough roads.
  • Solution: Tightening or replacement of loose trim pieces or fasteners. Applying felt tape in areas of contact.
  • Estimated Cost to Fix: $100 - $500+ (depending on the complexity of the repair)
  • Recalls: None Found

Summary

The 2021 BMW X4, while generally a reliable vehicle, does have some common issues. Oil leaks and rough shifting issues with the transmission are the most commonly reported and can be costly to fix. Electrical glitches with the infotainment system and sensor failures also occur, while suspension components tend to wear prematurely. Interior noises are also an issue. The severity of these issues ranges from minor annoyances to potentially expensive repairs. Prospective buyers should be aware of these potential problems and consider a pre-purchase inspection to identify any existing issues.