2023 BMW M135i

The 2023 BMW M135i xDrive is a performance-oriented hatchback powered by a 2.0-liter turbocharged inline-4 engine. This engine delivers 302 horsepower and 332 lb-ft of torque. While not as customizable as some other BMW models, it does not offer multiple engine choices, only having one engine option with different performance tunes. It is only offered with an 8-speed automatic transmission. Owners often praise the M135i for its agile handling, potent engine, and sporty styling, and some criticisms include the firm ride quality, limited rear passenger space, and the lack of a manual transmission option for purists.

Engine

2.0-liter Turbocharged Inline-4

• Excessive Oil Consumption
  • Description/Symptoms: Some owners have reported higher than expected oil consumption, requiring more frequent top-ups between scheduled services. The exact cause can vary but may relate to piston ring design or valve stem seals.
  • Solution: Diagnosis involves leak-down testing and inspection of the PCV system. Potential fixes include piston ring replacement or valve stem seal replacement.
  • Estimated Cost to Fix: $2,000 - $5,000+
  • Recalls: None Found

Transmission

8-Speed Automatic

• Rough or Delayed Shifting
  • Description/Symptoms: Some owners report instances of harsh or delayed shifts, particularly during low-speed maneuvers or when shifting between drive and reverse. The symptoms can be intermittent.
  • Solution: Diagnosis includes checking the transmission fluid level and condition, as well as scanning for any diagnostic trouble codes related to the transmission. Software updates may be available to improve shift quality. In some cases, replacement of the valve body may be necessary.
  • Estimated Cost to Fix: $200 - $3,000+
  • Recalls: None Found

Suspension

• Excessive Road Noise
  • Description/Symptoms: Some owners have complained about excessive road noise entering the cabin, particularly on rough road surfaces. This can be attributed to the suspension design, tire choice, or lack of sufficient sound insulation.
  • Solution: While difficult to completely eliminate, potential solutions include replacing tires with a quieter model, adding sound insulation to the wheel wells or cabin floor, or replacing worn suspension components.
  • Estimated Cost to Fix: $100 - $500+
  • Recalls: None Found

Electrical

• Infotainment System Freezing/Crashing
  • Description/Symptoms: Intermittent freezing, lagging, or crashing of the iDrive infotainment system. This can affect navigation, audio, and other vehicle functions.
  • Solution: Attempt a system reboot. Check for software updates and install them. If the issue persists, the infotainment unit may need replacement.
  • Estimated Cost to Fix: $0 (Software Update) - $1,500+
  • Recalls: None Found

Exterior

• No Issues Found

Interior

• Rattling/Squeaking Noises from Dashboard or Trim
  • Description/Symptoms: Annoying rattling or squeaking noises emanating from the dashboard or interior trim panels. These noises are more noticeable on uneven road surfaces and are often difficult to pinpoint.
  • Solution: Carefully identify the source of the noise and secure the affected trim panels or components. This may involve adding felt padding or foam to eliminate contact points.
  • Estimated Cost to Fix: $50 - $300+
  • Recalls: None Found

Summary

The 2023 BMW M135i xDrive appears to have a few notable issues, mainly revolving around engine oil consumption, transmission shifting, infotainment system glitches, and interior rattles. The severity of these issues varies. The estimated cost to fix can range from minor repairs to more substantial engine or transmission work. Potential buyers should be aware of these common complaints and carefully inspect the vehicle for any signs of these issues prior to purchase.