BMW 525 (2003)

Estimated running costs and MOT pass rates from 1,425 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.

Buying this car? Check for finance, write-offs & theft

£4.99

Check a specific BMW 525

Enter a reg plate for full MOT history, mileage check, health score, running costs, and reliability data. Free, instant, no signup.

Petrol2497cc23 years old1,425 tests140k miles avg

Annual Running Costs

Fuel (Petrol, 2497cc)

~30 mpg

£1,958

Road Tax

Estimated CO2 band

£445

MOT Test

£55

Predicted Repairs

£500

Total per year£2,958

Per month£247/mo

Per week£57/wk

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

76% MOT pass rate(Average)

0%All-model avg: 82%100%

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 525s from 2003 ended in a pass in 2024, when they were about 21 years old. That's based on 1,425 tests across the UK, retests included. The average mileage recorded at those tests was 139,542 miles.

Got a BMW 525 you're looking at?

Enter the reg plate to check its specific MOT history, mileage, and health score.

How Does It Compare?

Rank among 2003 models149th of 429(top half)

Rank among BMW models1456th of 1,548(bottom 7%)

vs average of all models-6%(82% avg)

vs 2003 models average+4%(72% avg)

vs BMW average-12%(88% avg)

Mileage Analysis

139,542

Average miles

155,400

Expected for age

The average 2003 BMW 525 had 139,542 miles on the clock at its 2024 MOT, which is in line with the expected 155,400 miles for a 21-year-old car, suggesting normal everyday use.

Looking at a specific BMW 525?

Enter its reg plate for a free check with full MOT history, mileage verification, and predicted costs.

Best Year to Buy?

Of the years with at least 100 tests, the 2016 model has the highest MOT pass rate at 91%, while the 2000 model has the lowest at 70%. The 2003 scores 76%. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.

BMW 525 by Year

Year	Pass Rate	Tests	Avg Mileage
2017	76%	37	63,347 mi
2016	91%	426	92,921 mi
2015	89%	881	98,550 mi
2014	89%	813	108,795 mi
2013	84%	448	116,973 mi
2012	82%	669	119,797 mi
2011	87%	1,652	127,862 mi
2010	86%	1,697	129,103 mi
2009	85%	2,283	138,274 mi
2008	82%	2,974	147,855 mi
2007	81%	3,218	153,182 mi
2006	81%	2,842	152,320 mi
2005	80%	3,057	158,580 mi
2004	77%	1,980	146,538 mi
2003	76%	1,425	139,542 mi
2002	79%	1,357	140,217 mi
2001	76%	894	138,556 mi
2000	70%	161	134,867 mi
1998	70%	33	153,429 mi
1997	86%	49	127,831 mi
1996	78%	206	143,832 mi
1995	80%	363	147,789 mi
1994	78%	280	142,062 mi
1993	82%	137	142,304 mi
1992	76%	100	130,213 mi
1991	78%	74	120,250 mi
1990	69%	70	128,725 mi

Similar Cars to Consider

Renault Clio

2005 · 1998cc Petrol

£2,711/year

67%

-9%

Honda CR-V

2005 · 1998cc Petrol

£2,511/year

70%

-6%

Mercedes E

2005 · 2597cc Petrol

£2,958/year

78%

+2%

Ford Mondeo

2004 · 2000cc Petrol

£2,711/year

69%

-7%

Check a Specific BMW 525

Enter a reg plate to get the full MOT history, health score, and mileage verification.

Upgrade to Premium (£4.99) for stolen, finance, and write-off checks.

About the 2003 BMW 525

The 2003 BMW 525 is a premium car. Our records list a 2497cc petrol engine, though engines vary between versions. 1,425 MOT tests were recorded on this model in 2024, making it a reasonably common sight on UK roads. Among all models from 2003, the average MOT pass rate is 72%, and this model beats that benchmark.

With an average of 139,542 miles recorded at its 2024 MOT tests, BMW 525 owners drive about as much as the UK average.

2003 BMW 525 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 2003 BMW 525?

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 525 Reliability Trend

Newer BMW 525s pass their MOT more often than older ones, by 8 percentage points on average, which is mostly down to age and wear.

Buying a Used 2003 BMW 525

At 23 years old, the BMW 525 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 2016 model has the highest pass rate at 91%.

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 out

At 23 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 risk

Larger 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 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 140k 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 2003 BMW 525 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 525(2003)	76%	£1,958	£445	Grp 25-38	£2,958
Renault Clio(2005)	67%	£1,631	£325	Grp 18-32	£2,711-£247
Honda CR-V(2005)	70%	£1,631	£325	Grp 18-32	£2,511-£447
Mercedes E(2005)	78%	£1,958	£445	Grp 30-42	£2,958same
Ford Mondeo(2004)	69%	£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 2003 BMW 525

Is the 2003 BMW 525 reliable?

Average reliability. Expect some repairs as it ages. 76% of MOT tests on 2003 BMW 525s ended in a pass, from 1,425 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 2003 BMW 525 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 2003 BMW 525?

76% of 1,425 MOT tests on the 2003 BMW 525 ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 149th of 429 models first registered in 2003 (top half).

Which year BMW 525 has the best MOT pass rate?

Of the years with at least 100 tests, the 2016 BMW 525 has the highest MOT pass rate at 91% and the 2000 the lowest at 70%. Newer cars usually pass more often simply because they are younger and have done fewer miles.

What is the average mileage for a 2003 BMW 525?

The average mileage recorded at MOT tests on the 2003 BMW 525 is 139,542 miles, which is in line with the expected 155,400 miles for a 21-year-old car, suggesting normal everyday use.