How much does a 2012 BMW 3 SERIES cost to run?

Estimated annual running cost is £1,707 (£142/month), including £1037 fuel, £265 road tax, £55 MOT, and £350 predicted repairs.

What is the MOT pass rate for a 2012 BMW 3 SERIES?

The 2012 BMW 3 SERIES has a 82% MOT pass rate based on 68,955 tests in 2026. This ranks 323 out of 685 cars from 2012.

Which year BMW 3 SERIES is most reliable?

The 2021 BMW 3 SERIES has the highest MOT pass rate at 93%. The least reliable year is 2000 at 77%.

What is the average mileage for a 2012 BMW 3 SERIES?

The average mileage for a 2012 BMW 3 SERIES is 111,893 miles, which is in line with the expected 103,600 miles for a 14-year-old car, suggesting normal everyday use.

BMW 3 SERIES (2012)

Q: Is the 2012 BMW 3 SERIES reliable?

Good reliability. Occasional issues but generally solid. 82% of BMW 3 SERIESs from 2012 passed their MOT first time in 2026, based on 68,955 tests. That's 0 points above the national average of 82%.

Running costs, reliability data, and common problems from 68,955 real MOT tests.

Annual Cost

£1,707

£142/month

MOT Pass Rate

82%

Good

Road Tax

£265

Based on CC/year

Insurance

Grp 18-32

2000cc Diesel

Solid Option

82% pass rate, £1707/year to run. Close to the national average.

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Diesel2000cc14 years old68,955 tests112k miles avg

Annual Running Costs

Fuel (Diesel, 2000cc)

~48 mpg

£1,037

Road Tax

Based on 2000cc

£265

MOT Test

£55

Predicted Repairs

£350

Total per year£1,707

Per month£142/mo

Per week£33/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 14 years old, 82% of BMW 3 SERIESs from 2012 passed their MOT first time in 2026. That's based on 68,955 tests across the UK. The average mileage at this age is 111,893 miles.

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How Does It Compare?

Rank among 2012 cars323th of 685(top 47%)

Rank among BMW models1245th of 1,564(top 80%)

vs national average+0%(82% avg)

vs 2012 cars average+4%(78% avg)

vs BMW average-6%(88% avg)

Mileage Analysis

111,893

Average miles

103,600

Expected for age

The average 2012 BMW 3 SERIES has 111,893 miles on the clock, which is in line with the expected 103,600 miles for a 14-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 93% MOT pass rate, while the 2000 model has the lowest at 77%. The 2012 sits between the two at 82%.

BMW 3 SERIES by Year

Year	Pass Rate	Tests	Avg Mileage
2021	93%	908	28,473 mi
2020	91%	7,526	41,101 mi
2019	91%	27,338	48,949 mi
2018	91%	19,475	56,573 mi
2017	90%	8,077	67,957 mi
2016	90%	48,559	80,506 mi
2015	88%	61,659	89,425 mi
2014	87%	63,059	101,192 mi
2013	85%	71,326	106,062 mi
2012	82%	68,955	111,893 mi
2011	81%	57,568	119,984 mi
2010	80%	52,791	122,709 mi
2009	80%	49,275	121,100 mi
2008	80%	48,705	125,171 mi
2007	80%	55,686	130,265 mi
2006	80%	40,353	136,490 mi
2005	78%	24,924	133,038 mi
2004	78%	18,555	124,569 mi
2003	78%	19,201	122,025 mi
2002	79%	14,796	121,727 mi
2001	77%	9,406	117,601 mi
2000	77%	4,799	114,997 mi
1999	78%	7,815	113,190 mi
1998	79%	6,287	122,358 mi
1997	79%	4,853	120,261 mi
1996	82%	3,215	116,915 mi
1995	80%	2,059	114,256 mi
1994	78%	1,263	115,103 mi
1993	82%	1,173	110,323 mi
1992	84%	1,309	110,038 mi
1991	82%	1,861	119,331 mi
1990	84%	3,316	122,194 mi

Similar Cars to Consider

VOLKSWAGEN GOLF

2014 · 1598cc Diesel

£1,445/year

87%

+5%

VAUXHALL ASTRA

2013 · 1700cc Diesel

£1,727/year

79%

-3%

AUDI A3

2014 · 1598cc Diesel

£1,445/year

86%

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VOLKSWAGEN POLO

2010 · 1598cc Diesel

£1,595/year

74%

-8%

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About the 2012 BMW 3 SERIES

The 2012 BMW 3 SERIES is a premium with a 2000cc diesel engine. 68,955 of these vehicles were MOT tested in 2026, making it one of the most commonly tested cars on UK roads. Among all cars from 2012, the average MOT pass rate is 78%, and this model beats that benchmark.

With an average of 111,893 miles at 14 years old, BMW 3 SERIES owners drive about as much as the UK average.

2012 BMW 3 SERIES Fuel Costs

The 2000cc diesel engine offers a reasonable balance between performance and economy. Expect around 48 mpg in mixed driving, which works out to roughly £1,037 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 2012 BMW 3 SERIES?

Total estimated annual running cost is £1,707 (£142/month), broken down as £1037 fuel, £265 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 3 SERIES Reliability Trend

Newer BMW 3 SERIESs show better MOT pass rates than older ones, with an average improvement of 6 percentage points.

Buying a Used 2012 BMW 3 SERIES

At 14 years old, the BMW 3 SERIES 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 93%. With 68,955 MOT tests in our data, there's strong statistical confidence in these figures.

Common Issues to Watch For

Based on the 2012 BMW 3 SERIES'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 112k 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 2012 BMW 3 SERIES stacks up against similar cars for annual running costs, insurance, and tax.

Car	Pass Rate	Fuel/yr	Tax/yr	Insurance	Total/yr
BMW 3 SERIES(2012)	82%	£1037	£265	Grp 18-32	£1707
VOLKSWAGEN GOLF(2014)	87%	£905	£135	Grp 12-25	£1445-£262
VAUXHALL ASTRA(2013)	79%	£1037	£135	Grp 18-32	£1727+£20
AUDI A3(2014)	86%	£905	£135	Grp 12-25	£1445-£262
VOLKSWAGEN POLO(2010)	74%	£905	£135	Grp 12-25	£1595-£112

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.