Used car guide

2001 BMW Z3: common problems and MOT failures

What MOT testers find on the BMW Z3 first registered in 2001: we looked at the 5,347 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.

5,347MOTs of 2001 cars, done in 2023–2025
69%pass first time (all 2001 cars: 60%)
3,400typical miles a year
2×the usual rate for suspension arm

What goes wrong more than usual on a 2001 BMW Z3?

Parts flagged at MOT more often on the 2001 BMW Z3 than on all cars registered in 2001.

  • Suspension arm2× usual
    BMW Z3
    6.4% All 2001 cars
    3.2%

    Failed outright at MOT: 0.5%, against 0.3% of all 2001 cars. The rest were advisories or minor defects.

    Rough price £120–£180 (one arm) ClickMechanic

    At the viewing: Listen for clunks over bumps and feel for the steering wandering. Worn arm bushes show as cracked rubber near the wheels.

  • Individual direction indicators1.7× usual
    BMW Z3
    6.1% All 2001 cars
    3.5%

    Failed outright at MOT: 2.5%, against 1.6% of all 2001 cars. The rest were advisories or minor defects.

    Rough price £10–£80 our estimate

    At the viewing: Ask a friend to check every light while you work the switches: indicators, brake lights, fog lights and reversing lights.

  • Side repeaters2.4× usual
    BMW Z3
    3.6% All 2001 cars
    1.5%

    Failed outright at MOT: 1.3%, against 0.8% of all 2001 cars. The rest were advisories or minor defects.

    Rough price £10–£80 our estimate

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

  • Airbag warning light2× usual
    BMW Z3
    2.6% All 2001 cars
    1.3%

    Failed outright at MOT: 2.5%, against 1.1% of all 2001 cars. The rest were advisories or minor defects.

    Rough price £10–£80 our estimate

    At the viewing: Ask a friend to check every light while you work the switches: indicators, brake lights, fog lights and reversing lights.

  • Power steering pipes and hoses2.3× usual
    BMW Z3
    2.1% All 2001 cars
    0.9%

    Failed outright at MOT: 0.1%, against 0.1% of all 2001 cars. The rest were advisories or minor defects.

    Rough price £100–£400 our estimate

    At the viewing: Ask to see underneath, or check the MOT advisories: corroded brake or fuel pipes get worse every year and fail the MOT when they do.

Better than most

Headlights: 4.1% here, against 9.1% of all 2001 cars. Number plate lights: 2.4% here, against 6.7% of all 2001 cars.

Common 2001 BMW Z3 MOT failures and advisories

The share of 2001 BMW Z3 MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Brakes
    36% of testsRough price £150–£350

    At the viewing: Look for a lip on the disc edges and feel for judder or pulling when braking firmly from about 40mph.

  • Suspension
    33% 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.

  • Lights and electrics
    24% of testsRough price £10–£80

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

  • Tyres
    20% 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.

  • Oil and fluid leaks
    15% of testsRough price £80–£600

    At the viewing: Look under the engine and on the ground where the car is usually parked for fresh oil or fluid.

  • Wipers, windscreen and mirrors
    9% of testsRough price £15–£250

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

Questions to ask the seller before buying a 2001 BMW Z3

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

  1. Any recent work on the suspension arm? (Flagged at MOT 2× as often on the 2001 BMW Z3 as on other cars the same age.)
  2. Any recent work on the individual direction indicators? (Flagged at MOT 1.7× as often on the 2001 BMW Z3 as on other cars the same age.)
  3. Any recent work on the side repeaters? (Flagged at MOT 2.4× as often on the 2001 BMW Z3 as on other cars the same age.)
  4. Can I see the service history and receipts for any big jobs?

Looking at a BMW Z3?

Check the actual car: its own MOT history, mileage and what to ask the seller. Free, no sign-up.

Other years

Every year of the BMW Z3 compared

YearMOT testsMost flagged
2003257Brakes 35%
20023,218Brakes 35%
20005,716Brakes 36%
19998,264Brakes 36%
19987,392Brakes 37%
19974,918Brakes 41%

Where this comes from: the DVSA's anonymised results for every MOT test done in Great Britain during 2023–2025, counting the MOTs of BMW Z3 cars first registered in 2001. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score