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BMW X3 — what actually breaks, by engine

2015–2025 · 732 federal complaints · 2 engines

Reliability ratings usually stop at the model. But two X3s with different engines can fail in completely different ways — and the engine is a choice you make at purchase. Here is what owners actually complained about, separated by engine.

BMW X3
Photo: Alexander Migl · CC BY-SA 4.0

Ownership profile

Each axis is this model's percentile within its own segment — comparing a pickup's fuel economy against a compact car's would say nothing. Built from EPA test data.

Fuel economy39Running cost19Low emissions41Cabin spacenot measuredCargo spacenot measuredDisplacement18
24 MPG Fuel economy$3,150/yr Running cost375 g/mi Low emissions2.0 L Displacement

Value for money

11/ 100

$40,525

Capability per relative dollar, ranked against the same segment. It divides this model's average percentile across the axes above by its price relative to the segment median — so 80 means it delivers more per dollar than 80% of its class.

Price source: CarAPI vehicle trim database — base-trim MSRP, median across 2015-2020 model years. Unlike every other figure on this page, the price does not come from a federal record. It is the manufacturer's list price for the cheapest trim — what people actually paid varies with incentives and options, so treat this one axis as indicative, not exact.

What each engine's complaints are about

Share of component mentions. One complaint can name several components, so these describe what an engine's complaints are about — they are not a failure rate.

Transmission & drivetrainEngineBrakesElectricalSteeringBody & structureFuel systemEverything else

2.0L I4

2015–2025 · Turbo

628complaints
Engine 13%Electrical 21%
Show the numbers
ComponentShareMentions
Transmission & drivetrain3.7%33
Engine12.7%114
Brakes5.1%46
Electrical21.1%189
Steering3.1%28
Body & structure8.3%74
Fuel system2.9%26
Everything else43.1%386

3.0L I6 355hp

2015–2025 · Turbo

104complaints
Engine 17%Electrical 19%
Show the numbers
ComponentShareMentions
Transmission & drivetrain2.2%3
Engine17.0%23
Brakes3.0%4
Electrical19.3%26
Steering2.2%3
Body & structure4.4%6
Fuel system4.4%6
Everything else47.4%64

Diagrams show cylinder layout and displacement from the decoded VIN data. Turbo and supercharger marks come from EPA certification records; where EPA cannot tell two engines of the same size apart, the mark is left off rather than guessed.

How many of those complaints involved a fire, crash or injury

Unlike the totals above, these can be compared between engines. Each figure is a share of that engine's own complaints, so how many were sold cancels out. The vertical mark is the average across every vehicle in this database.

2.0L I4

628
Fire2.9%
Crash5.7%
Injury2.4%

3.0L I6 355hp

104
Fire0.0%
Crash1.9%
Injury1.9%

all vehicles — Fire 1.1% · Crash 4.4% · Injury 2.6%

Still a share of complaints, not of vehicles on the road — it says how severe this engine's reported problems were, not how often it gets into trouble. Engines with fewer than 80 complaints are left out: fire is rare enough that a single extra case would swing the number.

Recalls on this model

Unlike everything above, recalls are issued for the whole model, not per engine — NHTSA publishes them by make, model and year. These are defects the manufacturer confirmed and filed federally, which makes them a useful counterweight to owner-reported complaints.

NHTSA told owners to stop driving these

  • Suspension › Front — 2020–2020 19V678000

NHTSA told owners to park outside, away from buildings

The defect can start a fire even with the car parked and switched off.

  • Electrical System › Starter Assembly › Relay — 2020–2022 25V636000

How this compares with what owners report →

48 recalls · covering 2015–2025

Electrical System 8Steering 6Air Bags 5Back Over Prevention 4Service Brakes, Hydraulic 3Structure 3Suspension 2Engine And Engine Cooling 2
All recalls, with campaign numbers
YearsComponentNHTSA campaign
2020–2020Suspension › Front19V678000
2020–2022Electrical System › Starter Assembly › Relay25V636000
2024–2025Steering › Linkages › Knuckle › Spindle › Arm26V524000
2021–2023Electrical System › Starter Assembly26V056000
2025–2025Steering › Steering Control Module25V857000
2025–2025Service Brakes, Hydraulic › Foundation Components › Disc25V247000
2025–2025Electrical System › Starter Assembly25V202000
2025–2025Service Brakes, Hydraulic › Foundation Components › Hoses, Lines/Piping, And Fittings25V154000
2025–2025Electrical System › 12V/24V/48V Battery › Cables25V109000
2022–2024Latches/Locks/Linkages › Doors › Lock25V106000
2025–2025Suspension › Front › Wheel Bearing24V909000
2025–2025Air Bags › Side/Window › Curtain24V856000
2025–2025Air Bags › Passenger Side Frontal › Cushion24V772000
2018–2022Structure24V764000
2015–2017Engine And Engine Cooling › Cooling System › Pump24V608000
2018–2023Structure24V534000
2023–2023Power Train › Automatic Transmission › Control Module (Tcm/Pcm/Tecm)23V821000
2024–2024Steering23V770000
2020–2021Seats23V211000
2022–2022Fuel System, Gasoline › Fuel Injection System › Fuel Rail22V513000
2022–2022Power Train › Automatic Transmission22V070000
2015–2017Fuel System, Diesel21V907000
2020–2020Engine21V598000
2015–2017Fuel System, Diesel › Delivery › Fuel Pump21V586000
2018–2019Air Bags › Frontal21V521000
2021–2021Fuel System, Gasoline › Storage › Tank Assembly21V199000
2019–2021Back Over Prevention › Sensing System › Camera21V096000
2020–2021Back Over Prevention › Sensing System › Camera20V598000
2020–2021Electrical System › Propulsion System › Traction Battery20V601000
2020–2021Electrical System › 12V/24V/48V Battery20V490000
2020–2020Back Over Prevention › Sensing System › Camera20V443000
2020–2020Steering › Linkages › Tie Rod Assembly20V355000
2020–2020Seat Belts › Front › Buckle Assembly20V164000
2018–2020Electrical System › Instrument Cluster/Panel20V152000
2020–2020Steering › Rack And Pinion › Pinion Shaft19V738000
2018–2020Back Over Prevention › Sensing System › Camera19V684000
2018–2019Seats19V563000
2019–2019Air Bags › Frontal › Passenger Side › Inflator Module19V291000
2015–2017Engine And Engine Cooling › Exhaust System › Emission Control › Gas Recirculation Valve (Egr Valve)18V755000
2018–2019Service Brakes, Hydraulic › Foundation Components › Disc › Caliper18V453000
2018–2018Exterior Lighting › Turn Signal18V431000
2018–2019Lane Departure › Lane Keep › Steering Assist18V374000
2018–2018Structure › Body18V154000
2018–2018Electrical System › Instrument Cluster/Panel17V719000
2017–2017Steering › Electric Power Assist System16V704000
2015–2015Air Bags › Frontal › Driver Side › Inflator Module16V683000
2015–2017Child Seat › Latch Strap16V333000
2015–2015Visibility › Rearview Mirrors/Devices › Exterior14V648000

Recall repairs are free, always — any franchised dealer, regardless of the car's age, mileage, or how many owners it has had. A great many cars are driving around with recalls nobody ever redeemed.

More recalls does not mean a worse car. Recall counts rise with sales volume and model complexity, and a manufacturer that recalls promptly looks worse than one that drags its feet. Read what the recalls were for, not how many there were.

Check a specific car by VIN at NHTSA →

NHTSA crash-test ratings

Official 5-star ratings from standardized federal crash tests. Unlike the complaint figures above, these are directly comparable between models. Where a model year was tested in several versions, the lowest overall rating is shown.

Overall · 2025
★★★★☆
Frontal · 2025
★★★★☆
Side · 2025
★★★★★
Rollover · 2025
★★★★☆

16.9% rollover risk

Model yearOverallFrontalSideRollover
2015★★★★★★★★★★★★★★★★★★★☆
2016★★★★★★★★★★★★★★★★★★★☆
2017★★★★★★★★★★★★★★★★★★★☆
2019★★★★★★★★★★★★★★★★★★★☆
2020★★★★★★★★★★★★★★★★★★★☆
2021★★★★★★★★★★★★★★★★★★★☆
2022★★★★★★★★★★★★★★★★★★★☆
2023★★★★★★★★★★★★★★★★★★★☆
2024★★★★★★★★★★★★★★★★★★★☆
2025★★★★☆★★★★☆★★★★★★★★★☆
Stability control: StandardForward-collision warning: Not availableLane-departure warning: Not available

Source: NHTSA New Car Assessment Program.

Method, sources and limitations

How this was built

  1. Source: NHTSA public complaint database (api.nhtsa.gov), retrieved 2026-08-16. Every complaint carries the first 11 characters of the vehicle's VIN.
  2. Those partial VINs were decoded through NHTSA's vPIC service to identify the exact engine — 98.2% resolved successfully. This is how the data gets to engine level; model-level ratings cannot do this.
  3. Percentages are the share of component mentions, not of complaints. One complaint can name several components, so the figures describe what a given engine's complaints are about — they do not sum to a failure rate.

What this does not tell you

  • This is not a reliability ranking. Complaint totals track how many were sold, not how often they fail. Nobody publishes per-engine sales volume, so comparing totals between engines would be misleading. Read each engine's own breakdown; don't race them against each other.
  • Engines with fewer than 50 complaints are omitted — too small to say anything honest about.
  • Complaints are self-reported by owners. They skew toward problems that are alarming or expensive, and toward vehicles under active recall attention.

Compare with

Or see the whole segment at once: Compact SUV →

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