If you are considering buying a used BMW X3, these are the common problems worth knowing about first. Our garage database tracks 9 known faults for this model, 6 of them rated high severity. Every one below is a repair bill a seller has good reason not to mention.
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Is the BMW X3 reliable?
The BMW X3 has 9 known faults in our database across 3 generations, 6 of them rated high severity. The most serious are engine (turbocharger failures on the 2.0 diesel were described as increasingly common by 2013) and engine (the N57 3.0 litre diesel engine, like the N47, is susceptible to timing chain failure). None of them makes the car a bad buy on its own; the risk is a seller who knows and says nothing.
That is a count of the faults we hold, not a reliability score. Popular cars get written about more, and a newer generation has had less time to show its faults.
Which BMW X3 years should you avoid?
No year is a write-off on its own. What matters is which serious faults a given year and engine can have, and whether the car in front of you has had them fixed.
E83, 2004 to 20101 high severity
2 known faults, the serious ones in the engine
F25, 2010 to 20175 high severity
7 known faults, the serious ones in the engine
G01, 2017 to 2024
No faults on record yet
Years and engines with a serious known fault
2004 to 2010, 2.0d four-cylinder diesel (M47 to 2007, N47 from 2007): turbocharger failures on the 2.0 diesel were described as increasingly common
2008 to 2012, 3.0d (N57 Diesel): the N57 3.0 litre diesel engine, like the N47
2011 to 2015, 2.0i (N20 Petrol) - oil pump drive chain and gear: separate from the N20's main timing chain, a second, smaller chain
2012 to 2017, 2.0 N20 petrol (badged 20i and 28i), timing chain and guides: the N20 runs two separate chains off the crankshaft
2008 to 2014, 2.0d (N47 / N47T): 116d, 118d, 120d, 318d, 320d, 520d, X1: the N47 timing chain sits at the REAR of the engine, next to the flywheel
2014 to 2018, 2.0d (B47 Engine) / 3.0d (N57): the exhaust gas recirculation (EGR) cooler cracks
Each one is set out in full below, with the symptoms, the typical mileage and a rough repair cost.
Generation 1 of 32 known faults · 5 owner reports · 1 good note
BMW X3 E83 (2004 to 2010) problems
Engine/EmissionsHigh severity💬 4 owner reports, 2013 to 2015
Turbocharger failures on the 2.0 diesel were described as increasingly common by 2013, typically at around 60,000 miles and costing about £2,000 to replace. The archive puts it down to carbonised oil in the turbo bearing and its oil feed, from switching off while the turbo is still very hot and from extended oil service intervals (it says these engines need an oil change at least every year or 10,000 miles); if the carbon-choked oil feed pipework is not replaced with the turbo, the new one fails too. Reported cases include a car at 57,000 miles and under four years old, a 2007 car at 33,000 miles with a new turbo among a long list of warranty repairs, a 2007 car that needed a new turbo alongside a timing chain, and one whose turbo went at 40,000 miles before it lost power at 60,000 and needed a replacement engine for carbon build-up.
Rough guide
£2000 for a turbo, more if the engine is damaged
Typical symptoms
loss of power or limp mode, in one case unable to exceed 20 mph
whistle or whine from the turbo under load
blue smoke from the exhaust
Affected vehicles
Engines:
2.0d four-cylinder diesel (M47 to 2007, N47 from 2007)
Typical mileage:
30000-60000 miles
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Transmission/DrivetrainMedium severity💬 2 owner reports, 2009 to 2014
A clicking from the transfer box on the E83 is usually a worn plastic gear inside the xDrive actuator, which wears faster when the four tyres differ in size, make, type or wear and the system has to work constantly to even out the speeds. A new actuator was put at £750 to £900. One owner of a 2004 2.5 petrol automatic also listed a propshaft and transfer box fault in May 2007 among other repairs.
Rough guide
£750-900 for a new actuator
Typical symptoms
rhythmic clicking from under the centre of the car
four-wheel-drive or transfer box warning on the dash
Affected vehicles
Engines:
All (xDrive transfer box)
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What owners report on the E83
5 single reports, unconfirmed
One owner each, in their own words rewritten as a line, and not counted in our risk scoring. A fault joins the list above once a second report or an editorial source backs it.
Engine · December 2015A 2.0 diesel X3 experienced rising sump oil levels, indicating diesel particulate filter regeneration issues causing fuel to enter the engine oil.
Engine · November 2015A 2007 X3 diesel suffered a timing chain failure and required a new turbocharger within five months of purchase.
Engine · August 2015A 2007 X3 with poor service history had multiple turbo replacements and engine damage, with a repair estimate of £5,000 to £6,000 at 90,000 miles.
Gearbox and clutch · January 2014A clicking sound from an X3 transfer box was traced to a worn plastic gear in the actuator, costing £750 to £900 for a new part.
Engine · October 2013A 2007 X3 2.0 diesel with 33,000 miles had persistent engine vibration under load between 1,500 and 2,200 revolutions per minute, despite numerous warranty repairs.
What owners like about the E83
1 note
The X3 3.0d manual offers superior performance and handling compared to the X5 3.0d, though it lacks some luxury features.
The N47 timing chain sits at the REAR of the engine, next to the flywheel and gearbox, so getting to it means removing the gearbox or dropping the engine. The original chain and plastic guides were underspecified: guides break up, the chain stretches and can snap, bending valves and in bad cases destroying the engine. Debris from the guides can also block the oil pump pickup and wipe the bearings. BMW issued revised parts (redesigned guides and crankshaft) under a quality-enhancement programme and later builds fail less often, but revised N47T engines still fail, so a late build date is not a clean bill of health. Specialist chain jobs start around 1350-2500 pounds; after a snap, a rebuild runs 3000-6500 pounds. The N47 arrived in 2007 and gave way to the B47 across 2014 and 2015 (the 5 Series first, then the 1 Series and 3 Series; the X1 kept the N47 until the new model arrived in 2015), so a car from either changeover year needs its engine code confirming before this applies
Rough guide
£1350-6500
Typical symptoms
rhythmic scraping or metallic rattling from the REAR of the engine, near the bulkhead
engine management light or camshaft correlation fault codes
sudden loss of power or complete engine failure with no prior warning
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Engine/EmissionsHigh severity🏛️ Official recall
The exhaust gas recirculation (EGR) cooler cracks and leaks coolant into the hot exhaust gas stream, where the glycol deposits can ignite and set fire to the inlet manifold. DVSA recall R/2018/341 covers it in the plain words "The EGR cooler may leak presenting a fire risk", and it is one of the largest recalls in the UK, covering 225,449 vehicles. The recall work is free, but cars slip through: the fix has been revised more than once, and an unrepaired or early-repaired car is the risk. Outside the recall, a failed cooler plus manifold is a four-figure job
Rough guide
£0 (free safety recall)
Typical symptoms
loss of coolant with no obvious external leak
smell of burning from engine bay
engine bay fire
Affected vehicles
Engines:
2.0d (B47 Engine) / 3.0d (N57)
Typical mileage:
40000-100000 miles
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Engine/EmissionsHigh severity📝 Editorial
The N20 runs two separate chains off the crankshaft, each with its own plastic guides: the main timing chain, and a smaller chain that drives the oil pump. This is the main timing chain fault. On early engines the guide plastic degrades, the slackened chain may skip a tooth at the camshaft sprocket, and because the N20 is an interference engine the pistons then meet the valves. Broken guide fragments collect in the sump, where they can block the oil pickup and starve the engine. The chain driving the oil pump fails separately that tends to strike earlier; a car of this age can suffer either or both, and specialists normally replace the two together because the engine has to come apart either way.
Rough guide
£4000-7000
Typical symptoms
metallic rattle or tinkling from the front of the engine on cold start
drivetrain malfunction warning and engine management light
camshaft correlation fault codes stored
rough running or misfire once the chain has skipped
Affected vehicles
Engines:
2.0 N20 petrol (badged 20i and 28i), timing chain and guides
Typical mileage:
50000-90000 miles
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Engine/EmissionsLow severity💬 Owner reports
Plastic turbo charge pipe becomes brittle and shatters under boost pressure
Rough guide
£200-350
Typical symptoms
loud pop during hard acceleration
immediate loss of power and limp mode
hissing sound of escaping boost
Affected vehicles
Engines:
3.0 Single Turbo (N55)
Typical mileage:
40000-80000 miles
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Engine/EmissionsHigh severity💬 3 owner reports, 2015 to 2018
The N57 3.0 litre diesel engine, like the N47, is susceptible to timing chain failure, often due to extended oil change intervals. This can lead to catastrophic engine damage. Reports indicate failures at various mileages, with BMW sometimes contributing to repair costs.
Rough guide
£1600-6800
Typical symptoms
Loud metallic rattling noise from the rear of the engine
Engine management light illuminated
Loss of power or engine entering limp mode
Sudden engine seizure
Affected vehicles
Engines:
3.0d (N57 Diesel)
Typical mileage:
45000-160000 miles
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Engine/EmissionsHigh severity💬 2 owner reports, 2017 to 2019
Separate from the N20's main timing chain, a second, smaller chain and drive gear run the oil pump off the crankshaft, and this one fails on its own. The drive gear wears prematurely and sends metal shrapnel through the engine; if the chain or its guide lets go, oil pressure stops dead and the engine is wrecked in under a minute. It happens early, and on cars with a full service history: one 2013 320i needed a new engine at 15,500 miles. The main timing chain is a separate failure that tends to come later and at higher mileage, so the two are different parts with different warning signs.
Rough guide
£5000-8000 (engine replacement)
Typical symptoms
high-pitched whine from the engine that rises and falls with the revs
Loud knocking or grinding noise from the engine
red oil pressure warning light, usually with no warning beforehand
Sudden engine failure or seizure
Engine management light illuminated
Affected vehicles
Engines:
2.0i (N20 Petrol) - oil pump drive chain and gear
Typical mileage:
15000-50000 miles
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ElectricalMedium severity💬 2 owner reports, 2019
Two owners of F25 X3s reported the iDrive system shutting itself down and restarting. On a September 2015 2.0d the iDrive computer and radio cut out and came back within minutes, more often as time went on; on a 2017 car Connected Drive failed and the navigation kept restarting, never lasting more than about a minute. No repair or cost was given.
Typical symptoms
iDrive screen and radio switching off while driving
navigation restarting over and over
Affected vehicles
Engines:
All engines
Typical mileage:
unknown miles
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What owners report on the F25
27 single reports, unconfirmed
One owner each, in their own words rewritten as a line, and not counted in our risk scoring. A fault joins the list above once a second report or an editorial source backs it.
Bodywork · October 2020A knocking sound was caused by the boot catch not aligning correctly with the lock, resolved by a simple adjustment.
Gearbox and clutch · September 2020A 2016 BMW X3 F25 2.0d with 28,000 miles experienced its automatic transmission dropping from Drive to Neutral when stopped.
Gearbox and clutch · November 2019A 26,000 mile BMW F25 X3 35d exhibited jerky gear changes, particularly when moving off or in slow traffic.
Engine · September 2019A 2013 BMW X3 diesel experienced stuttering and surging at 36,000 miles; the exhaust gas recirculation valve was replaced for £340, but the problem persisted.
Bodywork · August 2019The electrically retractable towbar on a 2013 X3 failed twice, with the second replacement costing £1,500.
Interior · May 2019An X3 owner reduced tyre noise and improved ride comfort by fitting non-runflat Pirelli P7C tyres.
Electrics · September 2018The offside LED DRL on a 2015 BMW F25 X3 failed, with the dealer quoting £1,394 plus VAT to replace all modules.
Electrics · January 2018After an engine management software update on a 2016 BMW X3, the lower button on the remote no longer unlocked or opened the hatchback.
Suspension and steering · January 2018Tyres on a late 2016 X3 repeatedly lost pressure overnight in freezing temperatures, possibly due to valve or rim seal issues.
Electrics · September 2017A new 2017 BMW X3 was entered twice in eight weeks via keyless entry signal boosting, with doors and hatchback left open.
Brakes · July 2017A 2011 BMW F25 X3 with 72,000 miles had three ABS wheel sensor failures in 12 months, causing limp mode and transmission warnings.
Engine · April 2017An F25 X3 with 70,000 miles had a sticking valve, diagnosed as timing chain failure, with an estimated repair cost of $6,800.
Fuel system · April 2017The fuel gauge of a 2014 X3 2.0 automatic over-read, causing the engine to run out of fuel and loss of power assistance.
Brakes · January 2017A 2013 X3 automatic required replacement front brake discs and new pads on all wheels at 24,000 miles.
Bodywork · November 2016The door-mounted tailgate release button on an 11,000 mile 2014 BMW X3 sank into the tailgate.
Suspension and steering · October 2016A 2010 X3 required a new steering rack to be fitted when the vehicle had covered 65,000 miles.
General · July 2016A factory-fitted towbar on an X3 includes upgraded engine, transmission cooling, and driveshafts, which are not present with a retrofit.
Suspension and steering · December 2015A 2014 X3 experienced vibration from its variable suspension from 6,000 miles, despite balanced wheels.
Electrics · May 2015General electrical problems were reported on a 2011 BMW X3, though specific details were not provided.
Bodywork · April 2015The inside of standard headlight lenses on an X3, less than three years old, developed cracks and were replaced under warranty.
Fuel system · January 2015The new 2.0 BMW B47 diesel engine with automatic transmission showed 8mpg worse fuel economy than the older N47 engine.
Suspension and steering · October 2013A 2012 X3 20d M Sport had a failed EPAS steering column, which was replaced under warranty.
Gearbox and clutch · August 2013A scrubbing sensation on full steering lock was resolved by a BMW dealer changing the transfer box fluid.
Gearbox and clutch · August 2013An X3 30d experienced an automatic gearbox failure after covering only 2,800 miles from new.
Suspension and steering · July 2013Runflat tyres on an X3 35d, specifically Dunlop SP Sport Maxx GT, lasted only around 12,000 miles.
Fuel system · May 2013A 2011 X3 with 16,000 miles made "pinking" noises and required a full set of new injectors under warranty.
Electrics · February 2011The £2,500 panoramic 'Professional' navigation system had gaps in its knowledge of 7-digit postcodes.
What owners like about the F25
7 notes
The X3 offers an engaging drive with a supple ride and excellent handling, making it a top mid-size SUV on twisty roads.
Refinement is a key strength of the X3, enhanced by the quiet operation of its diesel engine range.
Every X3 engine features twin-turbocharging, providing strong performance, good economy, and low emissions compared to rivals.
The X3 offers excellent comfort for its class, complemented by a well-shaped and spacious boot area.
The X3 achieved a 5-Star Euro NCAP Result, with high scores for adult and child occupant protection.
The panoramic navigation option in the X3 successfully accepts seven-digit UK postcodes.
The original Pirelli Scorpion STR tyres on an X3 lasted an impressive 48,500 miles before needing replacement.
Generation 3 of 30 known faults · 4 owner reports · 2 good notes
BMW X3 G01 (2017 to 2024): owner reports
What owners report on the G01
4 single reports, unconfirmed
One owner each, in their own words rewritten as a line, and not counted in our risk scoring. A fault joins the list above once a second report or an editorial source backs it.
Electrics · August 2022A 2018 X3 received a software update, after which the digital speedometer vanished and infotainment system issues arose, which the dealer could not fix.
Engine · May 2019An October 2018 BMW G01 X3 3.0D, compliant with WLTP, exhibited noticeable turbo lag.
Engine · June 2018Delivery of a BMW G01 X3 2.0i was delayed due to an identified emissions problem with the petrol engine, awaiting new parts.
Electrics · April 2018A BMW G01 X3 M40i experienced intermittent electronic issues, including the car braking without reason and the digital dashboard switching off.
What owners like about the G01
2 notes
The X3 achieved a Five Star Euro NCAP rating, with strong scores for adult, child, and pedestrian protection.
The X3 offers excellent ride and handling, even when fitted with 19-inch wheels and 50 profile tyres.
A timing chain has no change interval, which is not the same as lasting for ever. Listen for it on a used X3, and check the oil has been changed on time. These are the figures UK specialists work to.
Timing chainChain
N47, 2.0D, 2.0 DIESEL
No fixed replacement interval
Rear-mounted timing chain stretches over time leading to catastrophic snapping. No fixed interval, but listen for a rhythmic scraping noise from the back of the engine on cold start. BMW's 2009 design modifications reduced the likelihood of failure but did not eliminate it.
Automatic gearbox oil
8-SPEED, 6-SPEED
60,000 miles or 8 years, whichever comes first
BMW claims the ZF gearbox is 'sealed for life', but ZF themselves (the manufacturer) prescribe fluid and filter changes. Published figures range from ZF's 100,000 km / 8 years guidance to specialist advice of 70,000-80,000 miles; 60,000 miles is recorded as the conservative end of that range.
Transfer case (ATC) oil
50,000 miles
BMW treats the xDrive ATC transfer case as sealed-for-life, but specialists recommend changing the DTF-1 (75W GL-4) fluid every 50,000-60,000 miles; 50,000 recorded here as the shorter end of the published range. Neglected fluid accelerates wear of the multi-plate clutch pack that apportions drive between axles, a four-figure repair. Ask for evidence of transfer case servicing on any higher-mileage xDrive car.
Always confirm against the vehicle handbook. Intervals vary by engine, and several manufacturers revised theirs after failures in service.
Repair costs are typical UK ranges, not quotes. Actual cost depends on condition and garage.Data last verified: November 2026
BMW X3 buying questions
What are the most common BMW X3 problems?
Three stand out. Engine: turbocharger failures on the 2.0 diesel were described as increasingly common by 2013 (typically 30000 to 60000 miles). Engine: the N57 3.0 litre diesel engine, like the N47, is susceptible to timing chain failure (typically 45000 to 160000 miles). Engine: separate from the N20's main timing chain, a second, smaller chain (typically 15000 to 50000 miles). The full list above is grouped by generation, with typical mileage and a rough repair cost for each.
Which BMW X3 years should I avoid?
No BMW X3 year is a write-off, but the E83 (2004 to 2010) carries the most serious faults: engine. The F25 (2010 to 2017) has high-severity faults on record too. The G01 (2017 to 2024) has none rated high severity. Year matters less than whether the specific car has had the known fixes, so check the history for them.
What should I check when viewing a used BMW X3?
Ask the seller about the engine faults on this page and whether they have been fixed, with invoices. On the test drive watch for loss of power or limp mode, in one case unable to exceed 20 mph, loud metallic rattling noise from the rear of the engine and high-pitched whine from the engine that rises and falls with the revs. Read the MOT history for repeat advisories, then paste the advert into the free check, which reads it against all 9 known faults before you travel. Check a BMW X3 advert →
What is the real MPG of a BMW X3?
Owners report 37.3 mpg on average across the BMW X3 engines with data, about 83% of the official combined figure. The gap between official and real-world economy varies a lot by engine, so the Real MPG page lists every engine and generation separately, from 1,266 owner submissions. BMW X3 Real MPG by engine →
If you used to check the Honest John “Good & Bad” section before the site closed in 2026, this page is where that information now lives. We rebuilt the BMW X3 owner-report history from the archived Honest John dataset, added our own research, specialist and owner-club sources and DVSA recall data, and we keep it free. Each fault above is badged with its source. The same data feeds our free advert check, which reads a listing against every known fault for the exact engine and year.