BMW 525d SE (2005)

119 real MOT outcomes analysed • 44.2% first-time pass rate

2005 BMW 525d SE

CarHunch analysed 119 real MOT records for the 2005 BMW 525d SE. This breakdown of actual test outcomes — pass rates, defect profiles, mileage data — isn't published anywhere else.

This 2005 BMW 525D has a 44% first-time pass rate — significantly below the UK average of 80% — which means nearly six in ten examples fail their MOT. The good news is that dangerous defects are absent from this dataset, so failures tend to be fixable rather than safety-critical issues.

At 161,880 miles median mileage, these cars are well-used for their age, and the average of 0.99 failures per vehicle tells you that running costs and repair frequency are genuine concerns. If you're considering one, budget for immediate work and factor in annual repair costs before purchase — this isn't a buy-cheap-and-forget model.

Below average reliability 35.8% below UK average
44.2%
pass MOT first time
UK average: ~80%
161,880
typical mileage
142,134–181,713 middle half
0%
ever had a dangerous defect
recorded at any MOT
0.99
avg MOT failures per car
over 3.6 tests on record

What to check before buying a 2005 BMW 525d SE

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 525d SE

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

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Pass Rate by Fuel Type

Fuel type Vehicles Pass rate Avg failures
Diesel (97%) 115 43.4% 0.96
Gas Bi-Fuel (3%) 4 66.7% 2

Mileage Distribution

Most 2005 BMW 525d SE 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.

142,134
low mileage
161,880
typical
181,713
high mileage

Half of all 2005 BMW 525d SE vehicles fall between 142,134 and 181,713 miles.

2005 BMW 525d SE — Still on the Road

Numbers are declining — 13 vehicles still getting MOTs in 2025 (20% of peak).

22 13 2017 2025

Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2017–2025.

MOT History Averages

3.6
Avg MOT tests per vehicle
0.99
Avg failures per vehicle
0
Avg advisories per vehicle

Found a specific BMW 525d SE?

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

UK

Other model years — BMW 525d SE:

2004