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Bmw 730 - 2003

299.4 faults per 100 tests
Year average for all cars of 2003 is 380.4 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Bmw 730, model year 2003. Sample size: 167 cars, 317 tests and 949 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 167 cars

The 2003 BMW 730 has an overall defect rate of 299 per 100 vehicles, which is notably 21% lower than the average for its year at 378 per 100. This model performs particularly well in categories such as brakes and steering, with defect rates significantly lower than the average, indicating better reliability in these areas. While it shows a higher defect rate in the highest mileage segment (over 124,000 miles), it still falls below average in general. Key categories where the BMW 730 excels include lights and electrics, body structure, and other defects, reflecting a strong performance relative to similar vehicles of its age.

Cars by mileage segment

Total: 167 cars

More model years for Bmw 730

2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022

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Categories

Brakes
▲ 22.5% better
131.2 faults / 100 tests
Year avg: 169.3 / 100 tests
  • Brake pipe damaged or excessively corroded
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • Brake lining or pad: worn below 1.5mm
  • Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
  • Brake disc or drum: significantly and obviously worn
Steering
▲ 59.9% better
10.1 faults / 100 tests
Year avg: 25.2 / 100 tests
  • A steering ball joint: with excessive wear or free play
  • Power steering fluid leaking or system malfunctioning
  • A steering ball joint: with excessive wear or free play
  • Power steering fluid leaking or system malfunctioning
  • Power steering fluid: level below minimum mark
Visibility
▼ 5.7% worse
31.5 faults / 100 tests
Year avg: 29.8 / 100 tests
  • Wiper blade: defective
  • Windscreen washers not working or not providing sufficient fluid to clear the windscreen
  • Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
  • Obligatory mirror or device: slightly damaged or loose
  • Windscreen washers not working or not providing sufficient fluid to clear the windscreen
Lights & Electrics
▲ 33.8% better
68.1 faults / 100 tests
Year avg: 102.8 / 100 tests
  • Product on the lens or light source which obviously reduces light intensity or changes emitted colour to other than white or yellow
  • Lamp emitted colour, position or intensity not in accordance with the requirements
  • Lamp: multiple light source up to a half not functioning
  • A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
  • Headlamp reflector or lens: slightly defective
Wheels & Suspension
▲ 5.4% better
285.8 faults / 100 tests
Year avg: 302.1 / 100 tests
  • Tyre tread depth not in accordance with the requirements
  • A suspension pin, bush, joint or bearing: excessively worn
  • A suspension pin, bush, joint or bearing: excessively worn
  • A tyre: with a lump, bulge or tear … or with cords exposed or damaged
  • A suspension joint dust cover: severely deteriorated
Body/Structure
▲ 68.1% better
20.8 faults / 100 tests
Year avg: 65.2 / 100 tests
  • Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
  • A transmission shaft constant velocity joint boot: severely deteriorated
  • A transmission shaft flexible coupling: excessively deteriorated
  • Exhaust system has a major leak or is insecure
  • A door will not open using the relevant control or close properly
Equipment
▲ 7.4% better
12.6 faults / 100 tests
Year avg: 13.6 / 100 tests
  • An SRS malfunction indicator lamp (MIL) indicates a system malfunction
  • A seat belt: or flexible stalk damaged
  • An SRS malfunction indicator lamp (MIL) indicates a system malfunction
  • Seat belt buckle missing, damaged or not functioning as intended
Other
▲ 26.9% better
38.5 faults / 100 tests
Year avg: 52.7 / 100 tests
  • Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
  • Lambda coefficient outside the default limits or the range specified by the manufacturer
  • Exhaust emits excessive dense blue or clearly visible black smoke during acceleration which would obscure the view of other road users
  • Engine MIL inoperative or indicating a malfunction
  • Exhaust emits excessive smoke or vapour of any colour to an extent likely to obscure the vision of other road users

Fault rate by mileage segment

Model    Year average
0 538 0–31,000 mi 31,000–62,000 62,000–93,000 93,000–124,000 124,000+
* Metric: faults per 100 tests.

Most common faults (Top 10)

A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 152
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 124
Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 55
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 52
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 49
Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
ADVISORY
Occurrences: 48
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 37
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 25
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 25
A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
MINOR
Occurrences: 21

Serious faults (Top 10)

A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 25
An SRS malfunction indicator lamp (MIL) indicates a system malfunction
FAIL
Occurrences: 16
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 11
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 9
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 8
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 6
Parking brake efficiency: below minimum requirement
FAIL
Occurrences: 5
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 5
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 5
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 4