Reliability Guide

Common Problems with the
2014–2018 BMW X4 (F26)

We've identified 3 known issues that can affect the 2014–2018 BMW X4 (F26). 2 of these are serious faults that could be expensive to repair.

3
Known Issues
2
Serious
1
Moderate
0
Minor

All Known Issues

Transfer Case Judder

SeriousGearbox & Transmission

Sensitive to uneven tyre wear, the transfer case clutches can wear out and cause juddering under acceleration.

Estimated cost: £1,000–£2,500Affects: 20142018

N47/B47 Timing Chain & EGR

SeriousEngine

Diesels suffer from the standard timing chain stretch issues (especially earlier N47) and EGR cooler recalls.

Estimated cost: £0–£2,500Affects: 20142018

Steering Rack Knock

ModerateSteering

The electronic steering rack can develop play, causing a rattling noise over uneven surfaces.

Estimated cost: £200–£1,200Affects: 20142018

Buying Tips for the 2014 BMW X4 (F26)

  • Carefully check the xDrive transfer case for juddering or binding on tight, low-speed turns, often caused by mismatched tyres.
  • On the N47 20d diesel (early models), listen for timing chain rattle from the back of the engine on cold startup.
  • Test the rear visibility; the sloping roofline makes the rear window tiny, so ensure the reversing camera and parking sensors work perfectly.
  • Inspect the frameless-style windows to ensure they seal correctly against the roofline; wind noise is a common complaint.
  • Check the steering column for the infamous 'clunk' when wiggling the wheel, a widespread issue on this platform.
  • Verify the DPF isn't clogged on diesel models used purely for urban driving; look for warning lights or sluggish performance.

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