BMW 523 (2007)
Estimated running costs and MOT pass rates from 327 MOT tests in 2024.
Annual Cost
£2,958
£247/month
MOT Pass Rate
76%
Average
Road Tax
£445
Estimated/year
Est. Insurance
Grp 25-38
2497cc Petrol
Check Carefully
76% pass rate, £2,958/year to run. 6 points below average.
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Annual Running Costs
~30 mpg
Estimated CO2 band
Estimates based on 7,400 miles/year (UK average), petrol at 174.57p a litre (GOV.UK weekly average, week of 19 October 2026), GOV.UK road tax rates and repair likelihood from MOT data. Insurance not included.
Reliability Verdict
Average reliability. Expect some repairs as it ages. That's 6 points below the average of 82% across all models in our data. It falls below the BMW brand average of 88%.
76% of MOT tests on BMW 523s from 2007 ended in a pass in 2024, when they were about 17 years old. That's based on 327 tests across the UK, retests included. The average mileage recorded at those tests was 118,243 miles.
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How Does It Compare?
Mileage Analysis
118,243
Average miles
125,800
Expected for age
The average 2007 BMW 523 had 118,243 miles on the clock at its 2024 MOT, which is in line with the expected 125,800 miles for a 17-year-old car, suggesting normal everyday use.
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Best Year to Buy?
Of the years with at least 100 tests, the 2011 model has the highest MOT pass rate at 84%, while the 1996 model has the lowest at 68%. The 2007 scores 76%. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.
BMW 523 by Year
| Year | Pass Rate | Tests | Avg Mileage | |
|---|---|---|---|---|
| 2016 | 93% | 42 | 55,120 mi | |
| 2013 | 100% | 68 | 48,039 mi | |
| 2012 | 92% | 51 | 54,895 mi | |
| 2011 | 84% | 341 | 79,140 mi | |
| 2010 | 81% | 480 | 87,591 mi | |
| 2009 | 80% | 193 | 97,424 mi | |
| 2008 | 77% | 244 | 112,799 mi | |
| 2007 | 76% | 327 | 118,243 mi | |
| 2006 | 79% | 494 | 122,075 mi | |
| 2005 | 80% | 414 | 120,862 mi | |
| 2000 | 78% | 496 | 136,987 mi | |
| 1999 | 71% | 1,057 | 137,920 mi | |
| 1998 | 68% | 885 | 130,239 mi | |
| 1997 | 78% | 266 | 128,092 mi | |
| 1996 | 68% | 142 | 123,219 mi |
Similar Cars to Consider
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About the 2007 BMW 523
The 2007 BMW 523 is a premium car. Our records list a 2497cc petrol engine, though engines vary between versions. 327 MOT tests were recorded on this model in 2024, making it a less common model in the UK market. Among all models from 2007, the average MOT pass rate is 73%, and this model beats that benchmark.
With an average of 118,243 miles recorded at its 2024 MOT tests, BMW 523 owners drive about as much as the UK average.
2007 BMW 523 Fuel Costs
The 2497cc petrol engine offers a reasonable balance between performance and economy. Expect around 30 mpg in mixed driving, which works out to roughly £1,958 per year with petrol at 174.57p per litre (GOV.UK weekly average, week of 19 October 2026; based on 7,400 miles per year).
What does it cost to own a 2007 BMW 523?
Total estimated annual running cost is £2,958 (£247/month), broken down as £1,958 fuel, £445 road tax, £55 MOT, and £500 predicted repairs. Repair costs are moderate, reflecting the 76% pass rate. Keeping on top of servicing will help avoid surprises.
BMW 523 Reliability Trend
Newer BMW 523s pass their MOT more often than older ones, by 6 percentage points on average, which is mostly down to age and wear.
Buying a Used 2007 BMW 523
At 19 years old, the BMW 523 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 2011 model has the highest pass rate at 84%.
Common Issues to Watch For
These are typical issues for cars of this age, fuel type and engine size, not faults recorded on this model's MOT tests. Use them as a checklist when you view one.
Timing Chain / Belt
Watch outAt 19 years old, check whether the timing belt has been replaced (typically due every 5-7 years or 60,000-100,000 miles). A snapped belt can destroy the engine.
Oil Consumption
Medium riskLarger petrol engines can develop higher oil consumption as they age. Check the oil level and look for blue smoke from the exhaust.
Rust and Corrosion
Watch outAt 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 outRubber 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 outWith an average of 118k 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 riskHigh-mileage cars often need brake disc replacement, not just pads. A full set of discs and pads costs £200-£500 per axle.
Service History
Low riskAlways 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 2007 BMW 523 stacks up against similar cars for estimated annual running costs, insurance group, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Est. Ins. Group | Total/yr |
|---|---|---|---|---|---|
| BMW 523(2007) | 76% | £1,958 | £445 | Grp 25-38 | £2,958 |
| Renault Clio(2007) | 68% | £1,631 | £325 | Grp 18-32 | £2,711-£247 |
| Honda CR-V(2007) | 74% | £1,631 | £325 | Grp 18-32 | £2,511-£447 |
| Land Rover Freelander(2009) | 78% | £1,958 | £445 | Grp 25-38 | £2,958same |
| Nissan Qashqai(2007) | 66% | £1,631 | £325 | Grp 18-32 | £2,711-£247 |
Estimates based on 7,400 miles/year, GOV.UK average pump prices for the week of 19 October 2026, GOV.UK road tax rates and MOT data. Insurance groups are our rough estimate from engine size, not official groups. Actual costs vary by driver, location, and usage.
Questions about the 2007 BMW 523
Is the 2007 BMW 523 reliable?
Average reliability. Expect some repairs as it ages. 76% of MOT tests on 2007 BMW 523s ended in a pass, from 327 tests (DVSA MOT data for tests in 2024, retests included). That's 6 points below the average of 82% across all models in the same data.
How much does a 2007 BMW 523 cost to run?
Our estimate is £2,958 a year (£247 a month): £1,958 fuel, £445 road tax, £55 MOT and £500 predicted repairs, based on 7,400 miles a year. Insurance is not included.
What is the MOT pass rate for a 2007 BMW 523?
76% of 327 MOT tests on the 2007 BMW 523 ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 268th of 574 models first registered in 2007 (top half).
Which year BMW 523 has the best MOT pass rate?
Of the years with at least 100 tests, the 2011 BMW 523 has the highest MOT pass rate at 84% and the 1996 the lowest at 68%. Newer cars usually pass more often simply because they are younger and have done fewer miles.
What is the average mileage for a 2007 BMW 523?
The average mileage recorded at MOT tests on the 2007 BMW 523 is 118,243 miles, which is in line with the expected 125,800 miles for a 17-year-old car, suggesting normal everyday use.
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