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BMW 525 (1981)

208 real MOT outcomes analysed • 2.8% first-time pass rate

1981 BMW 525

CarHunch analysed 208 real MOT records for the 1981 BMW 525. This breakdown of actual test outcomes — pass rates, defect profiles, mileage data — isn't published anywhere else.

Below average reliability 77.2% below UK average
2.8%
pass MOT first time
UK average: ~80%
98,326
typical mileage
85,140–118,821 middle half
1%
ever had a dangerous defect
recorded at any MOT
0.06
avg MOT failures per car
over 1.1 tests on record

What to check before buying a 1981 BMW 525

Practical pre-purchase checks for this age and model.

  • 📋 Check the full MOT history. Look for recurring advisories — slow-building issues like corrosion or brake wear patterns show up years before they become failures. Enter the reg below for a full AI analysis.
  • 🔍 Inspect for corrosion in person. Brake pipes, sills, subframes, and chassis legs. Surface rust is normal at this age; structural rust is a serious problem that's expensive to fix and can fail an MOT.
  • 🛞 Check tyres and brakes. The most common advisory items at this age. Budget for replacement if they're near the limit — factor this into your offer price.
  • 📄 Run an HPI check. The MOT history won't show outstanding finance, insurance write-offs, or stolen status — an HPI check will.

Before you buy a BMW 525

MOT history is one piece of the puzzle. These checks can reveal what CarHunch can't.

Inspection ClickMechanic Have a qualified mechanic check this car before you commit to buying →

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Pass Rate by Fuel Type

Fuel type Vehicles Pass rate Avg failures
Petrol (100%) 207 2.8% 0.06
Diesel (0%) 1 0% 0

Mileage Distribution

Most 1981 BMW 525 vehicles sit in the blue band. If the car you're looking at is outside it, it's either unusually low or high mileage for its age.

85,140
low mileage
98,326
typical
118,821
high mileage

Half of all 1981 BMW 525 vehicles fall between 85,140 and 118,821 miles.

MOT History Averages

1.1
Avg MOT tests per vehicle
0.06
Avg failures per vehicle
0.1
Avg advisories per vehicle

Most Common MOT Issues — 1981 BMW 525

Based on actual MOT test records for this model. Percentage shows how often each item appears across all vehicles in this cohort.

  • 46.2%
    Fuel pipe/s corroded
  • 28.2%
    Exhaust has a minor leak of exhaust gases
  • 25.6%
    Parking brake: efficiency below requirements
  • 20.5%
    Nearside Front Tyre worn close to the legal limit
  • 17.9%
    Nearside Front Brake pipe slightly corroded
  • 17.9%
    Offside Front Suspension component mounting prescribed area is excessively corroded
  • 15.4%
    Offside Front Brake pipe slightly corroded
  • 15.4%
    Nearside Rear Tyre worn close to the legal limit

Data covers a 3-year window centred on 1981. Counts include advisories and failures.

Found a specific BMW 525?

Enter the reg to see its individual MOT history, AI Hunches, and how it compares to this cohort.

UK

Other model years — BMW 525:

1980 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016