2007 BMW 1 Series petrol: common problems and MOT failures

What goes wrong more than usual on a 2007 BMW 1 Series petrol?

Parts flagged at MOT more often on the 2007 BMW 1 Series petrol than on all cars registered in 2007.

• Flexible brake hoses5.6× usual
  BMW 1 Series

  23.4% All 2007 cars

  4.2%

  Failed outright at MOT: 2%, against 0.7% of all 2007 cars. The rest were advisories or minor defects.

  Rough price £50–£200 our estimate

  At the viewing: Look for cracked or bulging rubber hoses behind the wheels and in the engine bay.

• Exhaust emissions (catalyst)2× usual
  BMW 1 Series

  4.7% All 2007 cars

  2.3%

  Failed outright at MOT: 4.4%, against 2.2% of all 2007 cars. The rest were advisories or minor defects.

  Rough price £175–£900 (catalytic converter) ClickMechanic

  At the viewing: Look for smoke when revving the warm engine and for an engine warning light.

Common 2007 BMW 1 Series petrol MOT failures and advisories

The share of 2007 BMW 1 Series petrol MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

• Brakes
  44% 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.

• Tyres
  33% 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.

• Suspension
  29% 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
  27% of testsRough price £10–£80

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

• 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
  14% of testsRough price £15–£250

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

Known faults on the 2007 BMW 1 Series petrol

Reported by owners, mechanics and buying guides for this model and age. Check which engine the car has, as some apply to one engine only.

• Power steering warning (built June 2007 to Dec 2011)

  Built from June 2007

  A part in the steering control module can fail, lighting the EPS warning and making the steering heavier.

  At the viewing: Make sure the steering light goes out and the steering feels light.

  Source: What Car?: common BMW 1 Series (2004 on) problems

• Rear axle, brake servo and airbag faults

  Some cars

  Faults to have been fixed: loose rear control arm joints (built May to Sept 2004), a leaking brake servo seal (built March 2006) and airbag and seatbelt wiring (built May to July 2008).

  At the viewing: Ask a BMW dealer to check the VIN for outstanding work.

  Source: What Car?: common BMW 1 Series (2004 on) problems

Questions to ask the seller before buying a 2007 BMW 1 Series petrol

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

1. Any recent work on the flexible brake hoses? (Flagged at MOT 5.6× as often on the 2007 BMW 1 Series petrol as on other cars the same age.)
2. Any recent work on the exhaust emissions (catalyst)? (Flagged at MOT 2× as often on the 2007 BMW 1 Series petrol as on other cars the same age.)
3. Can I see the service history and receipts for any big jobs?