Common Problems with the
2023–2024 BMW 1 Series (F40)

We've identified 2 known issues that can affect the 2023–2024 BMW 1 Series (F40). None are considered critical, but they're worth knowing about before you buy.

Known Issues

Serious

Moderate

Minor

The 2023–2024 period has an average number of reported issues compared to other BMW 1 Series (F40) year periods.

All Known Issues

EGR Valve Soot Buildup (Diesels)

ModerateExhaust & Emissions

The B37 and B47 diesel engines suffer from carbon buildup in the EGR valve, especially on cars used for short UK city commutes.

Most affected: 116d, 118d, 120d

Estimated cost: £250–£500Affects: 2019–2024Often appears around: 40,000–70,000 miles

Typical symptoms

•Hesitation under light acceleration
•Reduced fuel economy
•Check engine light or Drivetrain warning

What to inspect before you buy

✓Check the MOT history for smoke or emissions advisories
✓Look for evidence of long-distance motorway runs
✓Check for recall status regarding the EGR cooler

Front Suspension Drop Link Wear

MinorSuspension & Chassis

The front-heavy nature of the F40 and UK road conditions lead to premature wear of the anti-roll bar drop links, causing annoying knocks.

Most affected: All variants, especially M Sport with larger wheels

Estimated cost: £150–£300Affects: 2019–2024Often appears around: 30,000–50,000 miles

Typical symptoms

•Rattling or knocking from the front over small bumps
•Loose feeling through the floorpan

What to inspect before you buy

✓Drive over a rough road or speed bumps at low speed
✓Physical check of the drop link boots for splits
✓Ask if the top mounts have also been inspected

Buying Tips for the 2023 BMW 1 Series (F40)

✓Check for excessive wear on the inner shoulders of the front tyres; the FWD layout and weight make them sensitive to alignment
✓Test the infotainment system thoroughly for freezes or smartphone connectivity drops
✓Ensure the front-wheel-drive handling suits your expectations if coming from an older 1 Series
✓On M135i models, check for evidence of hard track use or non-approved modifications

2019–2022 BMW 1 Series (F40)