IsItAGoodCar

Common Problems with the
2022 BMW 3 Series (G20)

We've identified 3 known issues that can affect the 2022 BMW 3 Series (G20). 2 of these are serious faults that could be expensive to repair.

3
Known Issues
2
Serious
1
Moderate
0
Minor

The 2022 period has 2 more issues than the BMW 3 Series (G20) average across all year periods.

All Known Issues

Starter Motor Fire Risk (Recall)

SeriousElectrics & Electronics

A significant UK recall affects cars built between 2020 and 2022 where a faulty starter motor switch can overheat.

Most affected: Wide range of petrol and diesel models

Estimated cost: £0 (Recall)Affects: 2020–2022Often appears around: N/A

Typical symptoms

  • •Burning smell from the engine bay
  • •Car failing to start
  • •Warning message on dash

What to inspect before you buy

  • ✓Enter the VIN on the UK Government recall site to check status
  • ✓Ensure there is dealer documentation of the fix

Integrated Braking System (IBS) Recall

SeriousBrakes

A fault in the hydraulic braking assistance unit can lead to a loss of power assistance, requiring much higher pedal force to stop.

Most affected: Most models including M340i and 330e

Estimated cost: £0 (Recall)Affects: 2019–2024Often appears around: Any mileage

Typical symptoms

  • •Brake warning light on dash
  • •Significantly increased brake pedal effort required
  • •ABS/DSC system failures

What to inspect before you buy

  • ✓Verify recall status immediately
  • ✓If the pedal feels unusually hard, do not drive the car

Coolant Loss (B48 & B47 Engines)

ModerateCooling System

The plastic oil filter housing and coolant expansion tanks are known to crack or seep, leading to slow coolant loss that can go unnoticed until a warning appears.

Most affected: 318i, 320i, 330i, 318d, 320d

Estimated cost: £150–£600Affects: 2019–2024Often appears around: 30,000–60,000 miles

Typical symptoms

  • •Intermittent low coolant warning
  • •Sweet smell from the engine bay after a drive
  • •Dried pink/white residue around the expansion tank or oil filter area

What to inspect before you buy

  • ✓Inspect the oil filter housing for signs of weeping
  • ✓Check the expansion tank seam for hairline cracks
  • ✓Look for crusty residue on the undertray

Buying Tips for the 2022 BMW 3 Series (G20)

  • ✓Verify that the starter motor fire risk and IBS (Integrated Braking System) recalls have been completed
  • ✓Check for inner shoulder wear on the rear tyres, as the G20 can be sensitive to rear alignment
  • ✓Listen for wind noise around the A-pillars at motorway speeds, which may require acoustic glass or seal adjustment
  • ✓On 330e PHEV models, verify the charging port door operates smoothly and the electric range is as expected
2020–2021 BMW 3 Series (G20)2023–2024 BMW 3 Series (G20)

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Other BMW 3 Series (G20) Year Periods

20192020–202120222023–2024

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