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BMW 520 (2010)

Running costs, reliability data, and common problems from 8,647 real MOT tests.

Annual Cost

£2,045

£170/month

MOT Pass Rate

82%

Good

Road Tax

£395

Based on CC/year

Insurance

Grp 25-38

2171cc Diesel

Solid Option

82% pass rate, £2045/year to run. Close to the national average.

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Diesel2171cc16 years old8,647 tests138k miles avg

Annual Running Costs

Fuel (Diesel, 2171cc)

~40 mpg

£1,245
Road Tax

Based on 2171cc

£395
MOT Test
£55
Predicted Repairs
£350
Total per year£2,045
Per month£170/mo
Per week£39/wk

Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT data. Insurance not included.

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Reliability Verdict

82% MOT pass rate(Good)
0%National avg: 82%100%

Good reliability. Occasional issues but generally solid. That's close to the national average of 82%. It falls below the BMW brand average of 88%.

At 16 years old, 82% of BMW 520s from 2010 passed their MOT first time in 2026. That's based on 8,647 tests across the UK. The average mileage at this age is 137,583 miles.

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How Does It Compare?

Rank among 2010 cars195th of 575(top 34%)
Rank among BMW models1249th of 1,564(top 80%)
vs national average+0%(82% avg)
vs 2010 cars average+7%(75% avg)
vs BMW average-6%(88% avg)

Mileage Analysis

137,583

Average miles

vs

118,400

Expected for age

The average 2010 BMW 520 has 137,583 miles on the clock, which is in line with the expected 118,400 miles for a 16-year-old car, suggesting normal everyday use.

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Best Year to Buy?

The most reliable year is the 2021 model with a 97% MOT pass rate, while the 1996 model has the lowest at 64%. The 2010 sits between the two at 82%.

BMW 520 by Year

YearPass RateTestsAvg Mileage
202197%6121,198 mi
202091%15337,784 mi
201993%26053,629 mi
201889%40859,377 mi
201790%3,03378,699 mi
201690%21,85888,137 mi
201589%22,398100,237 mi
201487%22,280111,440 mi
201386%13,541117,221 mi
201284%13,792126,086 mi
201182%15,882135,205 mi
201082%8,647137,583 mi
200981%8,080144,392 mi
200880%5,590153,055 mi
200779%6,483162,310 mi
200677%4,128171,451 mi
200572%1,137170,402 mi
200478%502123,517 mi
200375%752112,691 mi
200274%599119,674 mi
200175%416118,034 mi
200078%219119,331 mi
199978%368129,821 mi
199865%366131,359 mi
199769%183116,662 mi
199664%114118,652 mi
199575%336123,709 mi
199478%201118,772 mi
199374%138111,214 mi
199271%99101,159 mi
199179%52120,049 mi

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About the 2010 BMW 520

The 2010 BMW 520 is a premium with a 2171cc diesel engine. 8,647 of these vehicles were MOT tested in 2026, making it a reasonably common sight on UK roads. Among all cars from 2010, the average MOT pass rate is 75%, and this model beats that benchmark.

With an average of 137,583 miles at 16 years old, BMW 520 owners drive about as much as the UK average.

2010 BMW 520 Fuel Costs

The 2171cc diesel engine offers a reasonable balance between performance and economy. Expect around 40 mpg in mixed driving, which works out to roughly £1,245 per year at current diesel prices of 148p per litre (based on 7,400 miles per year). Diesel cars of this age should have their DPF (diesel particulate filter) checked, as replacements can be costly.

What does it cost to own a 2010 BMW 520?

Total estimated annual running cost is £2,045 170/month), broken down as £1245 fuel, £395 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 82% pass rate. Keeping on top of servicing will help avoid surprises.

BMW 520 Reliability Trend

Newer BMW 520s show better MOT pass rates than older ones, with an average improvement of 12 percentage points.

Buying a Used 2010 BMW 520

At 16 years old, the BMW 520 is firmly in budget territory. Purchase prices are low, but check for rust, worn suspension bushes, and electrical gremlins. A full service history is especially valuable at this age. If you're flexible on year, the 2021 model has the highest pass rate at 97%. With 8,647 MOT tests in our data, there's strong statistical confidence in these figures.

Common Issues to Watch For

Based on the 2010 BMW 520's fuel type, age, and engine size, these are the most likely problem areas to check.

DPF (Diesel Particulate Filter)

Watch out

Short journeys clog the DPF. Replacement costs £1,000-£2,500. Check the DPF warning light and ask about driving patterns.

Turbo Wear

Watch out

Diesel turbos work harder and wear faster. Listen for whining noises and check for oil leaks around the turbo housing.

EGR Valve

Watch out

Exhaust Gas Recirculation valves clog with carbon deposits, causing rough running and poor economy. Cleaning costs £150-£300, replacement £300-£600.

Dual Mass Flywheel

Watch out

Larger diesel engines put extra strain on the dual mass flywheel. Listen for rattling at idle. Replacement with clutch is £800-£1,500.

Rust and Corrosion

Watch out

At 10+ years, check wheel arches, sills, subframe, and brake lines for rust. Structural corrosion is an MOT failure. Prevention is far cheaper than repair.

Suspension Bushings

Watch out

Rubber suspension bushes harden and crack with age, causing knocking noises and vague handling. A full refresh costs £300-£800 depending on the car.

Clutch Wear

Watch out

With an average of 138k miles, clutch replacement may be due (typical lifespan 60,000-100,000 miles). Budget £400-£800 for a new clutch kit.

Brake Discs and Pads

Medium risk

High-mileage cars often need brake disc replacement, not just pads. A full set of discs and pads costs £200-£500 per axle.

Engine Mounts

Medium risk

Worn engine mounts cause excessive vibration and movement. Replacement costs £150-£400 per mount. Check for vibration at idle with the bonnet open.

Service History

Low risk

Always request a full service history. Regular servicing is the single best indicator of how well a car has been maintained, regardless of mileage.

Running Costs Compared

How the 2010 BMW 520 stacks up against similar cars for annual running costs, insurance, and tax.

CarPass RateFuel/yrTax/yrInsuranceTotal/yr
BMW 520(2010)82%£1245£395Grp 25-38£2045
VOLKSWAGEN GOLF(2012)80%£1037£135Grp 18-32£1577-£468
VAUXHALL ASTRA(2010)74%£1037£135Grp 18-32£1727-£318
BMW 3 SERIES(2012)82%£1037£135Grp 18-32£1577-£468
HONDA CIVIC(2008)72%£1245£250Grp 25-38£2050+£5

Estimates based on 7,400 miles/year, current fuel prices, and MOT data. Insurance groups are indicative. Actual costs vary by driver, location, and usage.

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