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2017 BMW 740Le xDrive

2017 BMW 740Le xDrive

Overview

The 2017 BMW 740Le xDrive, a plug-in hybrid variant of the flagship 7 Series, combines luxury, performance, and efficiency. It features a turbocharged inline-four engine paired with an electric motor, offering a sophisticated powertrain. As a high-end luxury sedan, its reliability is generally expected to be strong, with a focus on advanced technology and premium materials. This analysis focuses on documented technical issues beyond standard maintenance, aiming to provide a clear picture of potential concerns for owners.


Engine

2.0L Turbocharged Inline-4 (Hybrid)

No widespread issues reported.

  • Symptoms: No widespread issues reported.
  • Solution: No widespread issues reported.
  • Cost: N/A

Transmission

8-Speed Automatic (with Electric Motor)

No widespread issues reported.

  • Symptoms: No widespread issues reported.
  • Solution: No widespread issues reported.
  • Cost: N/A

Suspension

Adaptive Air Suspension

Air Suspension Leaks/Compressor Failure

  • Symptoms: Vehicle sagging on one or more corners, ‘air suspension malfunction’ warning light, unusual noises from the suspension system.
  • Solution: Repair or replace leaking air springs, struts, or the air compressor. Regular inspection of air lines and connections is recommended.
  • Cost: $500 - $1500

Electrical

Hybrid Battery System

Reduced Electric Range/Charging Issues

  • Symptoms: Noticeable decrease in electric-only driving range, failure to charge the battery fully, ‘hybrid system malfunction’ warning.
  • Solution: Diagnosis by a BMW specialist to identify battery degradation or charging system faults. Potential battery module replacement or charging system component repair.
  • Cost: $2000 - $7000+

Infotainment System

iDrive Glitches/Freezing

  • Symptoms: Screen freezing, unresponsiveness to touch or controls, intermittent audio issues, navigation system errors.
  • Solution: Software updates or resets. In some cases, replacement of the iDrive control unit or display may be necessary.
  • Cost: $300 - $1200

Exterior

Body Panels & Trim

No widespread issues reported.

  • Symptoms: No widespread issues reported.
  • Solution: No widespread issues reported.
  • Cost: N/A

Interior

Leather Upholstery & Trim

No widespread issues reported.

  • Symptoms: No widespread issues reported.
  • Solution: No widespread issues reported.
  • Cost: N/A

Climate Control System

No widespread issues reported.

  • Symptoms: No widespread issues reported.
  • Solution: No widespread issues reported.
  • Cost: N/A

Summary Verdict

The 2017 BMW 740Le xDrive demonstrates good overall reliability, particularly in its core powertrain components. The primary areas of concern tend to be related to its advanced hybrid system and air suspension. Issues with the hybrid battery, while not extremely common, can be costly to repair. Similarly, the air suspension system can develop leaks or compressor failures over time. Electrical gremlins within the iDrive system are also a possibility, often resolvable with software updates. Beyond these specific points, the engine and transmission are robust. Owners should be mindful of the specialized nature of hybrid and air suspension repairs, opting for qualified technicians.

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