BMW F25 X3 buying guide: engines, issues and what to check
The F25 X3 is an affordable and practical used SUV. This buying guide covers the diesel and petrol engines, timing chain checks, xDrive, practicality, common issues and what to look for.
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The F25 X3 is the second generation of BMW's mid-size SUV, built from 2010 to 2017. It is larger and more refined than the first X3, with a practical interior, xDrive all-wheel drive on most versions and a range of efficient engines.
Today, it is an affordable used SUV for families. But engine choice matters, because some engines need specific checks. In this buying guide we explain the F25 X3 engines, the common issues and what to check before buying.
Why the F25 X3 is popular
The F25 X3 offers:
- Space and comfort for five people.
- A practical boot with split-folding rear seats.
- xDrive all-wheel drive on most versions.
- Efficient engines, especially the diesels.
- Good driving dynamics for an SUV.
- Towing capability.
It is a sensible family car at an attractive used price. Our G01 X3 buying guide explains the newer generation.
Engines
The F25 X3 was offered with several engines:
- xDrive20d: a four-cylinder diesel, first with the N47 and later with the B47. Our article on the BMW B47 diesel explains the newer engine.
- xDrive30d and xDrive35d: six-cylinder diesels with strong torque. Our article on the BMW N57 diesel explains them.
- xDrive20i and xDrive28i: four-cylinder turbo petrol engines in many markets.
- xDrive35i: a six-cylinder turbo petrol.
The six-cylinder diesels are often considered the best choice for long-distance driving.
Timing chain checks
Some four-cylinder engines used in the F25 X3 need timing chain checks:
- N47 diesel in earlier xDrive20d models.
- N20 petrol in xDrive20i and xDrive28i models.
Listen for rattles on a cold start and ask for records of timing chain work. Our article on BMW timing chain problems explains the symptoms and causes.
A chain that has already been replaced with updated parts by a specialist is a strong plus. If the seller cannot show records, factor the possible cost of the work into your offer, or choose a car with a different engine.
F25 X3 common issues
Other points to check include:
- DPF and EGR on diesels used for short trips. Our article on the BMW DPF explains this.
- Transfer case and xDrive operation, with no clunks when manoeuvring.
- Front suspension bushings on high-mileage cars.
- Oil leaks from gaskets. Our article on BMW oil leaks explains common points.
- Panoramic roof drains. Our article on BMW water leaks explains how to check them.
- Electrical faults linked to the battery.
Driving and practicality
The F25 X3 drives well for an SUV. The steering is precise, body roll is well controlled and the ride is comfortable on most roads, especially with adaptive suspension. xDrive provides confident traction in rain and snow, which makes it popular in mountain regions.
Inside, the X3 offers a comfortable driving position, good visibility and space for four adults on long journeys. The boot is large enough for family holidays, and the rear seats fold to create a long, flat load floor. Roof rails make it easy to fit a roof box or bike carrier.
Many owners use their X3 for towing small caravans or trailers. Check the approved trailer weight in the vehicle documents and test the towbar electrics if fitted.
Updates
The F25 X3 was updated around 2014 with revised styling, improved interior details and newer engines, including the B47 diesel in the xDrive20d. Many buyers prefer later cars for these updates. Check the production date and engine code in the documents, because they tell you which engine and equipment the car really has.
Running costs
The xDrive20d is the most economical choice for most drivers. Six-cylinder diesels use a little more fuel but offer much more performance and towing ability. Petrol versions suit lower mileages and short trips.
Costs to plan for include tyres and brakes, suspension parts on older cars and possible timing chain work on four-cylinder engines. Our guide to buying a high mileage BMW explains how to judge older cars, and our article on BMW diesel or petrol helps you choose the right engine.
Test drive checklist
On the test drive:
- Start the engine cold and listen for chain rattles.
- Check for smoke and warning messages.
- Drive slowly in tight turns to test xDrive.
- Feel for vibration under braking.
- Read the fault memory.
- Check the service history for regular oil changes.
Our complete checklist for buying a used BMW covers other checks.
Is the F25 X3 a good buy?
A well-maintained F25 X3, especially a later xDrive20d with the B47 or a six-cylinder diesel, can be an excellent family SUV at a reasonable price. Avoid cars with timing chain noise unless the work has been done.
Buy a car with full service history and test all functions carefully. A good F25 X3 offers years of practical, enjoyable driving.
BMW F25 X3 key facts
| Item | Details |
|---|---|
| Production | 2010 to 2017 |
| Body | Mid-size SUV |
| Diesel | xDrive20d, xDrive30d, xDrive35d |
| Petrol | xDrive20i, xDrive28i, xDrive35i |
| Update | Around 2014 |
| Timing chain checks | N47 diesel and N20 petrol |
| Key checks | Chain noise, DPF, transfer case, leaks |
Frequently asked questions
Is the F25 X3 reliable?
It can be. Later B47 and six-cylinder diesel models are generally considered the most dependable.
Which F25 X3 engines have timing chain issues?
Some N47 diesel and N20 petrol engines need timing chain checks.
Is the F25 X3 good for families?
Yes. It offers space, practicality and all-wheel drive.
Which F25 X3 should I buy?
Many buyers choose a later xDrive20d or a six-cylinder diesel with full service history.
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