BMW

BMW 635 (2008)

764 real MOT outcomes analysed • 83.2% first-time pass rate

2008 BMW 635

CarHunch analysed 764 real MOT records for the 2008 BMW 635. Real test outcomes — pass rates, defect profiles, mileage data — from verified DVLA records. Updated as new MOTs are recorded.
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AI Analysis Reliability Overview Common Issues Check a Specific Reg Buyer's Checklist Pass Rate by Fuel Mileage Distribution Still on the Road MOT Averages Colour Breakdown Compare Models

The 2008 BMW 635 passes its MOT on the first attempt 83.2% of the time, slightly above the UK average of 80%, but nearly half of these cars (45.7%) have recorded a dangerous defect at some point—a significant concern for any prospective buyer. This is a well-used cohort with an average mileage of 89,606 miles, which is reasonable for a 16-year-old model, yet when failures do occur they're substantial: the average car racks up 2.8 failures per test, alongside 15.3 advisories.

The high advisory count reflects the accumulated wear typical of ageing luxury cars, where minor niggles accumulate faster than on mainstream vehicles. Before buying, have a pre-purchase inspection focus specifically on the history of dangerous defects and obtain a full service record, as this car's relatively high failure rate suggests maintenance gaps can quickly compound into serious problems.

The 2008 BMW 635 has a decent first-time pass rate (83.2%), but a higher-than-average share of vehicles have had serious defects recorded — the individual vehicle's history matters a lot here.

⚠️ Over 1 in 5 of these vehicles have had a dangerous MOT failure at some point — usually tyres or brakes, and often a one-off issue rather than a persistent problem. The group stats won't tell you which one you're looking at.
First-time pass
83.2%
UK average ~80%
Around average
Dangerous (ever)
45.7%
At least once in MOT history
Check this vehicle
Avg failures / car
2.8
Over 15.7 tests on record
High
Typical mileage
86k
Middle half: 68k–109k
For context
🔧 Average reliability. Passes at roughly the UK rate — not a standout, not a problem vehicle. Individual history makes all the difference.
🔧 Expect consumable spend. An average of 15.3 advisories per vehicle tells you wear items (tyres, brakes) get flagged regularly. Budget for them — they're not surprises.
🔍 The dangerous defect figure is real. Most are one-off tyre failures or brake issues — not structural problems. But it's exactly why checking the individual vehicle's history is essential, not optional.

These stats describe 764 vehicles as a group. The specific vehicle you're looking at could be the one good example or the one outlier. Run its registration to find out.

Watch for defects — worth knowing

What tends to go wrong

Across 764 vehicles — figures show how many had each issue flagged at least once in their MOT history.

Other issues 69.4%
Under-trays fitted obscuring some underside components · Engine covers fitted obscuring some components in the engine bay · Oil leak, but not excessive
Brake wear 53.9%
Rear Brake pad(s) wearing thin · Front Brake disc worn, pitted or scored, but not seriously weakened · Rear Brake disc worn, pitted or scored, but not seriously weakened · …
Ask the seller when brakes were last serviced. If they don't know, factor in the cost.
Tyre wear 44.6%
Offside Rear Tyre worn close to the legal limit · Nearside Rear Tyre worn close to legal limit/worn on edge · Offside Rear Tyre worn close to legal limit/worn on edge · …
Budget for a full set — on a vehicle this age, tyres are expected consumables. An inspection will confirm how much is left.

Data covers a 3-year window centred on 2008.

See this vehicle's full MOT history & AI hunches

Spot recurring advisories, hidden issues, and how it compares to 764 BMW 635 cars.

UK

Before you buy a 2008 BMW 635

Based on MOT data from 764 vehicles — here's what to check.

  • 📋 Check the full MOT history. 45.7% of these vehicles have had a dangerous defect recorded - recurring advisories often signal problems years before they become failures.
    Search the reg on CarHunch for the full MOT history, reliability stats and a free AI-powered analysis of that exact vehicle.
  • 🔍 Brake pipes, sills and subframes are the key areas on a vehicle this age — structural rust is hard to spot without getting underneath. A mechanic will check all of this before you commit, and give you a concrete basis to negotiate on price. Inspection ClickMechanic
  • 📄 Outstanding finance, insurance write-offs and clocking won't appear in the MOT records — a dedicated history check covers all of this. Our link gets you 20% off automatically. History carVertical Get 20% off via CarHunch

Pass Rate by Fuel Type

Fuel type Vehicles Pass rate Avg failures
Diesel (99%) 753 83.2% 2.81

Colour Breakdown

Based on 3,905 BMW 635 vehicles registered in the UK — across all years. From DVLA registration records.

Black 32.9%
1,286
Blue 18.1%
707
Grey 18%
701
Silver 10.3%
402
Red 9.4%
368
White 6.8%
266
Bronze 1.9%
73
Green 1.4%
55
Gold 0.5%
18
Beige 0.4%
17
Yellow 0.2%
6
Maroon 0.2%
6

Mileage Distribution

Most 2008 BMW 635 vehicles sit in the blue band. If the vehicle you're looking at is outside it, it's either unusually low or high mileage for its age.

86,474
typical
68,485
low mileage
108,524
high mileage

Half of all 2008 BMW 635 vehicles fall between 68,485 and 108,524 miles.

Is the mileage you're seeing normal?
Under 68,485 miles — lower than most. Could be great, or could be a vehicle that rarely moved. Check test frequency and mileage progression in the MOT history.
68,485–108,524 miles — normal for age. This is where most 2008 BMW 635s sit.
Over 146,507 miles — higher than typical. Not necessarily a problem, but check service history and look out for advisory build-up on tyres and brakes.

2008 BMW 635 — Still on the Road

Numbers are thinning — 63% of 2008 BMW 635s are still active.

444 vehicles still getting MOTs in 2025 — 63% of the peak remain.

701 444 2014 2025

Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2014–2025.
* The 2020 dip reflects the government's COVID-19 MOT exemption, which allowed certificates to be extended by six months — fewer tests were conducted that year.

MOT History Averages

15.7
Avg MOT tests per vehicle
2.8
Avg failures per vehicle
15.3
Avg advisories per vehicle
Other model years — BMW 635: All 635 years → Which year to buy? →
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Compare with another model

See how the 2008 BMW 635 stacks up against a rival.

Watch for defects — worth knowing