Is the 2003 BMW 545 reliable?

Average reliability. Expect some repairs as it ages. 79% of BMW 545s from 2003 passed their MOT first time in 2026, based on 73 tests. That's 3 points below the national average of 82%.

How much does a 2003 BMW 545 cost to run?

Estimated annual running cost is £2,907 (£242/month), including £1592 fuel, £760 road tax, £55 MOT, and £500 predicted repairs.

What is the MOT pass rate for a 2003 BMW 545?

The 2003 BMW 545 has a 79% MOT pass rate based on 73 tests in 2026. This ranks 113 out of 445 cars from 2003.

Which year BMW 545 is most reliable?

The 2005 BMW 545 has the highest MOT pass rate at 84%. The least reliable year is 2004 at 76%.

BMW 545 (2003)

Q: What is the average mileage for a 2003 BMW 545?

The average mileage for a 2003 BMW 545 is 118,392 miles, which is below the expected 170,200 miles for a 23-year-old car. This suggests lighter use than average, which generally means less wear on major components.

Running costs, reliability data, and common problems from 73 real MOT tests.

Annual Cost

£2,907

£242/month

MOT Pass Rate

79%

Average

Road Tax

£760

Based on CC/year

Insurance

Grp 35-50

4398cc Petrol

Check Carefully

79% pass rate, £2907/year to run. Close to the national average.

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Petrol4398cc23 years old73 tests118k miles avg

Annual Running Costs

Fuel (Petrol, 4398cc)

~30 mpg

£1,592

Road Tax

Based on 4398cc

£760

MOT Test

£55

Predicted Repairs

£500

Total per year£2,907

Per month£242/mo

Per week£56/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

79% MOT pass rate(Average)

0%National avg: 82%100%

Average reliability. Expect some repairs as it ages. That's close to the national average of 82%. It falls below the BMW brand average of 88%.

At 23 years old, 79% of BMW 545s from 2003 passed their MOT first time in 2026. That's based on 73 tests across the UK. The average mileage at this age is 118,392 miles.

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How Does It Compare?

Rank among 2003 cars113th of 445(top 25%)

Rank among BMW models1390th of 1,564(top 89%)

vs national average-3%(82% avg)

vs 2003 cars average+7%(72% avg)

vs BMW average-9%(88% avg)

Mileage Analysis

118,392

Average miles

170,200

Expected for age

The average 2003 BMW 545 has 118,392 miles on the clock, which is below the expected 170,200 miles for a 23-year-old car. This suggests lighter use than average, which generally means less wear on major components.

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Best Year to Buy?

The most reliable year is the 2005 model with a 84% MOT pass rate, while the 2004 model has the lowest at 76%. The 2003 sits between the two at 79%.

BMW 545 by Year

Year	Pass Rate	Tests	Avg Mileage
2005	84%	112	123,037 mi
2004	76%	330	125,496 mi
2003	79%	73	118,392 mi

Similar Cars to Consider

BMW X5

2005 · 4799cc Petrol

£2,397/year

77%

-2%

LAND ROVER RANGE ROVER SPORT

2005 · 4394cc Petrol

£2,247/year

82%

+3%

LAND ROVER RANGE ROVER

2003 · 3950cc Petrol

£2,397/year

77%

-2%

ROVER 75

2004 · 4601cc Petrol

£2,597/year

69%

-10%

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About the 2003 BMW 545

The 2003 BMW 545 is a premium performance with a 4398cc petrol engine. 73 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. It ranks in the top 25% of all 2003 cars for reliability.

With an average of 118,392 miles at 23 years old, BMW 545 owners tend to use this car less than the typical driver.

2003 BMW 545 Fuel Costs

The 4398cc petrol engine is on the larger side, so fuel won't be this car's strong point. Expect around 30 mpg in mixed driving, which works out to roughly £1,592 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).

What does it cost to own a 2003 BMW 545?

Total estimated annual running cost is £2,907 (£242/month), broken down as £1592 fuel, £760 road tax, £55 MOT, and £500 predicted repairs. Repair costs are moderate, reflecting the 79% pass rate. Keeping on top of servicing will help avoid surprises.

BMW 545 Reliability Trend

The BMW 545 has maintained consistent MOT pass rates across model years, varying by only 1 percentage points.

Buying a Used 2003 BMW 545

At 23 years old, the BMW 545 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 2005 model has the highest pass rate at 84%. Note: with only 73 tests in our data, these figures should be treated as indicative rather than definitive.

Common Issues to Watch For

Based on the 2003 BMW 545's fuel type, age, and engine size, these are the most likely problem areas to check.

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 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 risk

High-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 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 545 stacks up against similar cars for annual running costs, insurance, and tax.

Car	Pass Rate	Fuel/yr	Tax/yr	Insurance	Total/yr
BMW 545(2003)	79%	£1592	£760	Grp 35-50	£2907
BMW X5(2005)	77%	£1592	£250	Grp 35-50	£2397-£510
LAND ROVER RANGE ROVER SPORT(2005)	82%	£1592	£250	Grp 35-50	£2247-£660
LAND ROVER RANGE ROVER(2003)	77%	£1592	£250	Grp 35-50	£2397-£510
ROVER 75(2004)	69%	£1592	£250	Grp 35-50	£2597-£310

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.