2011 BMW 3 Series: common problems and MOT failures
What MOT testers find on the BMW 3 Series first registered in 2011: we looked at the 81,787 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.
What goes wrong more than usual on a 2011 BMW 3 Series?
Parts flagged at MOT more often on the 2011 BMW 3 Series than on all cars registered in 2011.
- Shock absorbers2.6× usualBMW 3 Series18.3% All 2011 cars7%
Failed outright at MOT: 6.4%, against 1.8% of all 2011 cars. The rest were advisories or minor defects.
Rough price £200–£300 (pair, average rear to front) ClickMechanicAt the viewing: Push down hard on each corner. It should bounce once and settle. Look for oil on the shock absorber body.
Number plate lights: 0.6% here, against 7.5% of all 2011 cars. Coil springs: 4.5% here, against 9.1% of all 2011 cars.
Common 2011 BMW 3 Series MOT failures and advisories
The share of 2011 BMW 3 Series MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.
- Tyres33% of testsRough price £70–£150
At the viewing: Check the tread on all four tyres, including the inside edges, and look for cracks or bulges.
- Suspension30% of testsRough price £120–£400
At the viewing: Listen for knocks over speed bumps, and look behind each front wheel for a snapped coil spring.
- Brakes25% of testsRough price £150–£350
At the viewing: Look for a lip on the disc edges and feel for judder or pulling when braking firmly from about 40mph.
- Lights and electrics19% of testsRough price £10–£80
At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.
- Wipers, windscreen and mirrors9% of testsRough price £15–£250
At the viewing: Check for chips in the driver's view, and test the wipers and washers.
- Oil and fluid leaks8% of testsRough price £80–£600
At the viewing: Look under the engine and on the ground where the car is usually parked for fresh oil or fluid.
Known faults on the 2011 BMW 3 Series
Reported by owners, mechanics and buying guides for this model and age. Check which engine the car has, as some apply to one engine only.
- 2.0 diesel (2007 on)
Timing chain (N47 diesel, 318d/320d)
The 2.0 diesel's timing chain is at the back of the engine and is a known weak point. Replacing it costs around £1,000.
At the viewing: Start the engine from cold and listen for a rattle from the back.
- All engines
Battery cable and blower wiring recalls
About 312,000 cars were recalled for a faulty positive battery cable and nearly 280,000 for a heater blower connector. Others covered side airbag wiring, the brake servo, the propshaft joint and VANOS units.
At the viewing: Ask a BMW dealer to check the VIN for outstanding recalls.
Source: Haynes: BMW 3 Series Mk5 common problems (2004-2011)
- 2.0 petrol
Misfires (N43 petrol, 320i)
The 2.0 petrol can misfire from faulty injectors and coil packs.
At the viewing: Check for a rough idle or warning light.
- Six-cylinder petrol
Oil leaks (six-cylinder petrol)
The six-cylinder petrols leak oil from the cam cover and the oil filter housing.
At the viewing: Look under the bonnet and the car for oil.
- Diesel
Flat battery from the fuel filter heater (diesel)
A faulty fuel filter heater can drain the battery.
At the viewing: Ask whether it has had flat batteries.
Source: Haynes: BMW 3 Series Mk5 common problems (2004-2011)
- Manual gearbox
Clutch and dual-mass flywheel
A faulty dual-mass flywheel can make the clutch seize. Both need replacing.
At the viewing: Feel for judder or a heavy, odd clutch, and listen for rattles at idle.
Source: Haynes: BMW 3 Series Mk5 common problems (2004-2011)
- All engines
Clunks over bumps in the cold
Worn front anti-roll bar bushes clunk, more in cold weather.
At the viewing: Drive over bumps and listen.
Source: Haynes: BMW 3 Series Mk5 common problems (2004-2011)
- All engines
Exhaust drone
A damaged exhaust flexi pipe drones when driving or idling.
At the viewing: Listen at idle and on the move.
Source: Haynes: BMW 3 Series Mk5 common problems (2004-2011)
Questions to ask the seller before buying a 2011 BMW 3 Series
Ask before you travel to see it. A seller who knows the car will have answers, and receipts.
- Has the timing chain been replaced?
- Have the battery cable and blower recalls been done?
- Have the injectors or coils been replaced?
- Have any oil leaks been fixed?
- Any recent work on the shock absorbers? (Flagged at MOT 2.6× as often on the 2011 BMW 3 Series as on other cars the same age.)
- Can I see the service history and receipts for any big jobs?
Looking at a BMW 3 Series?
Check the actual car: its own MOT history, mileage and what to ask the seller. Free, no sign-up.
Other years
Every year of the BMW 3 Series compared
| Year | MOT tests | Most flagged |
|---|---|---|
| 2026 | – | Too new for MOT data |
| 2025 | – | Too new for MOT data |
| 2024 | – | Too new for MOT data |
| 2023 | – | Too new for MOT data |
| 2022 | – | Too few tests |
| 2021 | 773 | Tyres 21% |
| 2020 | 9,781 | Tyres 26% |
| 2019 | 34,852 | Tyres 25% |
| 2018 | 25,493 | Tyres 26% |
| 2017 | 10,910 | Tyres 26% |
| 2016 | 73,414 | Tyres 27% |
| 2015 | 91,034 | Tyres 28% |
| 2014 | 90,067 | Tyres 30% |
| 2013 | 97,823 | Tyres 30% |
| 2012 | 96,051 | Tyres 32% |
| 2010 | 75,455 | Suspension 35% |
| 2009 | 67,536 | Suspension 37% |
| 2008 | 66,671 | Brakes 40% |
| 2007 | 77,189 | Brakes 41% |
| 2006 | 57,041 | Brakes 46% |
| 2005 | 36,336 | Brakes 46% |
| 2004 | 27,774 | Brakes 44% |
| 2003 | 29,361 | Brakes 44% |
| 2002 | 22,806 | Brakes 42% |
| 2001 | 14,634 | Brakes 43% |
| 2000 | 7,767 | Brakes 43% |
| 1999 | 7,384 | Suspension 38% |
| 1998 | 5,627 | Suspension 34% |
| 1997 | 4,179 | Brakes 36% |
| 1996 | 2,946 | Brakes 37% |
| 1995 | 1,945 | Brakes 37% |
| 1994 | 1,191 | Brakes 34% |
| 1993 | 1,190 | Brakes 32% |
| 1992 | 1,288 | Suspension 28% |
| 1991 | 1,971 | Suspension 26% |
| 1990 | 3,262 | Suspension 25% |
| 1989 | – | Too few tests |
| 1988 | – | Too few tests |
| 1987 | – | Too few tests |
| 1986 | – | Too few tests |
| 1985 | – | Too few tests |
| 1984 | – | Too few tests |
| 1983 | – | Too few tests |
| 1982 | – | Too few tests |
| 1981 | – | Too few tests |
| 1980 | – | Too few tests |
| 1979 | – | Too few tests |
| 1978 | – | Too few tests |
| 1977 | – | Too few tests |
| 1976 | – | Too few tests |
Where this comes from: the DVSA's anonymised results for every MOT test done in Great Britain during 2023–2025, counting the MOTs of BMW 3 Series cars first registered in 2011. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score