2021 BMW Z4: common problems and MOT failures

What goes wrong more than usual on a 2021 BMW Z4?

Parts flagged at MOT more often on the 2021 BMW Z4 than on all cars registered in 2021.

• Nail or damage in a tyre2.2× usual
  BMW Z4

  4.6% All 2021 cars

  2.1%

  Failed outright at MOT: 0%, against 0% of all 2021 cars. The rest were advisories or minor defects.

  Rough price £70–£150 our estimate

  At the viewing: Check the tread on all four tyres, including the inside edges. Uneven wear can point to tracking or suspension problems.

Common 2021 BMW Z4 MOT failures and advisories

The share of 2021 BMW Z4 MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

• Tyres
  23% of testsRough price £70–£150

  At the viewing: Check the tread on all four tyres, including the inside edges, and look for cracks or bulges.

• Lights and electrics
  2% of testsRough price £10–£80

  At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.

• Wipers, windscreen and mirrors
  2% of testsRough price £15–£250

  At the viewing: Check for chips in the driver's view, and test the wipers and washers.

• Suspension
  1% of testsRough price £120–£400

  At the viewing: Listen for knocks over speed bumps, and look behind each front wheel for a snapped coil spring.

Questions to ask the seller before buying a 2021 BMW Z4

Ask before you travel to see it. A seller who knows the car will have answers, and receipts.

1. Any recent work on the nail or damage in a tyre? (Flagged at MOT 2.2× as often on the 2021 BMW Z4 as on other cars the same age.)
2. Can I see the service history and receipts for any big jobs?