BMW X3 xDrive28i Engine ReplacementCompare Prices & Get Quotes
Get quotes today from trusted UK BMW X3 xDrive28i engine specialists. Compare prices on reconditioned, rebuilt and used engines for your BMW X3 xDrive28i - supply and fit available across the UK.
Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers
From £1,500 to £3,000
Used from £700 · Reconditioned from £1,200 · Common codes: N20B20A, N20B20B, N52B30, B48B20A
From £700
Tested, bare/short engine
From £1,200
Rod bearings addressed, tested
From quote
Upgraded bearings, full teardown, revised valvetrain
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3 Simple Steps3 Simple Stepsto Finding the Best BMW X3 xDrive28i Replacement Engineto Finding the Best BMW X3 xDrive28i Replacement Engine
Most replacements completed within 3-5 days.
Variant HistoryBMW X3 xDrive28i - Engine History & Specs at a Glance
The BMW X3 xDrive28i badge represents a fascinating evolution in BMW's petrol engine strategy. From 2010 to 2012, the xDrive28i was powered by the naturally aspirated 3.0-litre N52 straight-six - BMW's last great naturally aspirated six-cylinder. But in a landmark shift for 2013, BMW replaced the six-cylinder with the 2.0-litre N20 TwinPower Turbo four-cylinder as part of its EfficientDynamics strategy. The turbo four delivered 240hp and 350Nm of torque - down 10kW in peak power but up 40Nm in torque compared to the outgoing six-cylinder. Later G01-generation models (2018-2024) adopted the B48B20A, a further evolution of BMW's modular petrol engine family.
Variant HistoryBMW X3 xDrive28i - Engine History & Specs at a Glance
The BMW X3 xDrive28i badge represents a fascinating evolution in BMW's petrol engine strategy. From 2010 to 2012, the xDrive28i was powered by the naturally aspirated 3.0-litre N52 straight-six - BMW's last great naturally aspirated six-cylinder. But in a landmark shift for 2013, BMW replaced the six-cylinder with the 2.0-litre N20 TwinPower Turbo four-cylinder as part of its EfficientDynamics strategy. The turbo four delivered 240hp and 350Nm of torque - down 10kW in peak power but up 40Nm in torque compared to the outgoing six-cylinder. Later G01-generation models (2018-2024) adopted the B48B20A, a further evolution of BMW's modular petrol engine family.
BMW X3 xDrive28i
Fuel TypePetrol
Engine Size Range2.0L-3.0L
Power Output Range240-260hp across the variant's historyEngine History Timeline
2012 - N52B30 3.0-litre naturally aspirated straight-six, 260hp (F25 generation, early production)
2017 - N20B20A / N20B20B 2.0-litre turbocharged four-cylinder, 240hp (F25 generation, facelift)
2024 - B48B20A 2.0-litre turbocharged four-cylinder, 245hp (G01 generation)
Key Specs Snapshot
Fuel TypePetrolEngine Size Range2.0L-3.0LPower Output Range240-260hp across the variant's historyYears Produced2010-2024Every engine fitted to the BMW X3 xDrive28i is covered below, with UK rebuilt pricing and known failure points.
BMW X3 xDrive28i Engine Codes - Specifications & Replacement CostBMW X3 xDrive28i Engine Codes - Specifications & Replacement Cost
3.0-litre Naturally Aspirated Straight-Six (2010-2012)
Power Output260hp (194kW)Torque310NmYears Fitted2010-2012
Compatible Trim Levels
- xDrive28i SE
- xDrive28i M Sport (early F25 production)
Find your exact engine code, specs and UK replacement cost guide.
Used
Tested, ready-to-fit engine
£800-£1,800
Reconditioned
Addressed known issues, tested
£1,500-£2,800
Rebuilt
Full teardown, upgraded internals
£1,800-£3,200
Common Failure
The N52 is generally reliable but has well-documented issues: electric water pump failure (often without warning), valve cover gasket oil leaks, and VANOS solenoid issues. Head bolt threads can also pull out of the engine block on some examples.
The BMW X3 xDrive28i has worn three different petrol engines across its production life - the naturally aspirated N52 straight-six (2010-2012), the turbocharged N20 four-cylinder (2013-2017), and the B48 four-cylinder (2018-2024). While the N52 is broadly reliable with age-related niggles, the N20 has a notorious Achilles heel: timing chain failure. Rebuilt BMW X3 xDrive28i engines through EnginesMarket include upgraded internal components designed to address the original failure point, plus a minimum 12-month unlimited-mileage warranty.
Why the BMW X3 xDrive28i N20 Engine Fails Catastrophically
Affected Vehicles
BMW X3 xDrive28i (N20B20A, N20B20B), 2013-2017
Typical Failure Mileage
60,000-100,000 miles (pre-2015 units highest risk)
Root Cause
The N20's timing chain and plastic guides can develop slack, causing rapid wear on sprockets and guides. The chain tensioner is also prone to failure. If not addressed, the chain can snap, resulting in bent valves and catastrophic engine damage. BMW introduced a redesigned timing chain guide in January 2015.
Why It Happens
The N20's timing chain and plastic guides can develop slack, causing rapid wear on sprockets and guides. The chain tensioner is also prone to failure. If not addressed, the chain can snap, resulting in bent valves and catastrophic engine damage. BMW introduced a redesigned timing chain guide in January 2015.
Dealer (parts + labour)
£2,500-£3,500
Specialist (parts + labour)
£1,500-£2,200
What it involves
Replace timing chain, tensioner, guides and sprockets. Engine-out access on xDrive models.
Suitability
Best caught early - whine or rattle on start-up. Adds 60k+ miles.
1 - 2 daysDealer (parts + labour)
£5,000-£7,000
Specialist (parts + labour)
£3,200-£4,500
What it involves
Supply rebuilt unit with upgraded timing components, fitted, tested, 12-month warranty
Suitability
Chain has snapped or engine seized - only sensible option after catastrophic failure.
1 - 2 daysAll prices are indicative UK market ranges based on current UK specialist supplier data.| Repair Tier | Dealer (Parts + Labour) | Specialist (Parts + Labour) | What It Involves | Suitability | Estimated Time |
|---|---|---|---|---|---|
 Minor - Preventative timing chain replacement Minor | £2,500-£3,500 | £1,500-£2,200 | Replace timing chain, tensioner, guides and sprockets. Engine-out access on xDrive models. | Best caught early - whine or rattle on start-up. Adds 60k+ miles. | 1 - 2 days |
 Full Replacement - rebuilt N20 engine (supply & fit) Best Value | £5,000-£7,000 | £3,200-£4,500 | Supply rebuilt unit with upgraded timing components, fitted, tested, 12-month warranty | Chain has snapped or engine seized - only sensible option after catastrophic failure. | 1 - 2 days |
Vehicle Value Check
Vehicle Value Check
A typical BMW X3 xDrive28i (F25, 2013-2017) is worth approximately £5,000-£14,000 depending on mileage, condition and trim `[INDUSTRY ESTIMATE]`. For N20-equipped F25 examples valued under £7,000, a full rebuilt engine may represent 40-60% of the vehicle's value - evaluate condition carefully before committing. G01 examples (2018-2024) with B48 engines are worth £15,000+ and replacement is comfortably within vehicle value.
Our Recommendation
Our Recommendation
If your N20-powered xDrive28i makes a whining noise on revving or rattles on cold start, act immediately. The £1,500-£2,200 preventative chain replacement is far cheaper than a £3,200+ full rebuild. If you own a pre-2015 N20, treat the timing chain as a scheduled maintenance item at 80,000 miles.
Don't Let Engine Failure Write Off Your BMW X3 xDrive28i
The xDrive28i is one of the most popular petrol X3s in the UK - but the N20's timing chain failure and the N52's water pump issues are real considerations for owners. EnginesMarket makes it simple to compare prices from trusted UK BMW X3 xDrive28i specialists who use upgraded components specifically designed to prevent these failures from recurring. Every rebuilt engine includes a minimum 12-month unlimited mileage warranty, nationwide delivery, and supply & fit options. Compare prices today and get back on the road without the main dealer premium.
Compare rebuilt N20B20A BMW X3 xDrive28i engine prices
12-Month Minimum
UK Specialists Vetted
Best Price GuidanceImportant Information
Important Information
"All prices are indicative UK market ranges based on historical quote data and repair requests from our network of engine specialists. Dealer pricing is estimated based on published main dealer labour rates and genuine OEM parts pricing. Specialist pricing reflects actual quote data from EnginesMarket's UK network. Actual costs vary depending on damage severity, vehicle condition, variant, and workshop location within the UK. Use our free comparison tool to get tailored quotes for your specific BMW X3 xDrive28i. Every engine supplied through EnginesMarket carries a minimum 12-month unlimited mileage warranty - always confirm exact terms with your chosen supplier."
BMW X3 xDrive28i Engine ReplacementFrequently Asked Questions
Question 1How much does a BMW X3 xDrive28i engine replacement cost in the UK-
A BMW X3 xDrive28i rebuilt engine typically costs £1,500-£3,000 supply-only for the N20B20A unit, with B48 units ranging £2,200-£4,000 and N52 units £1,800-£3,200. Used engines start from around £700, while reconditioned units sit in the middle at £1,200-£2,800. Supply and fit adds £1,000-£1,800 labour, bringing the total fitted cost to £2,500-£4,800 for a rebuilt unit.
- N20B20A rebuilt (240hp): £1,500-£3,000 supply-only
- B48B20A rebuilt (245hp): £2,200-£4,000 supply-only
- N52B30 rebuilt (260hp): £1,800-£3,200 supply-only
- Supply & fit adds £1,000-£1,800 depending on workshop location
Question 2What are the signs of timing chain failure in a BMW X3 xDrive28i N20 engine-
The most common signs are a whining noise when the engine is revved and a rattling or clacking noise coming from the front of the engine on cold start. Other symptoms include loss of power, engine management light illumination, and in severe cases, engine failure.
- First signs typically appear from 60,000-100,000 miles
- Pre-2015 N20 engines are at highest risk
- Ignoring the rattle risks catastrophic engine damage - the chain can snap and destroy the engine
Question 3Is it worth replacing the engine in a BMW X3 xDrive28i-
It depends on the generation. For F25 xDrive28i (2013-2017) examples valued £5,000-£14,000, a specialist-fitted rebuilt engine at £3,200-£4,500 may represent 40-60% of the vehicle's value - evaluate condition carefully. For G01 examples (2018-2024) valued £15,000+, replacement is comfortably within vehicle value. For N52-equipped early F25 examples (2010-2012), a rebuilt engine is often not cost-effective unless the car is in exceptional condition.
- F25 xDrive28i (2013-2017): evaluate condition - specialist rebuild often better than dealer
- G01 xDrive28i (2018-2024): absolutely worth replacing - high residual value
- Early N52 F25 (2010-2012): often borderline - consider value of car first
Question 4What's the difference between the BMW X3 xDrive28i N52, N20 and B48 engines-
The xDrive28i badge has been used across three different petrol engines. From 2010-2012, the N52B30 was a 3.0-litre naturally aspirated straight-six producing 260hp. From 2013-2017, the N20B20A was a 2.0-litre turbocharged four-cylinder producing 240hp. From 2018-2024, the B48B20A is a 2.0-litre turbocharged four-cylinder producing 245hp.
- N52B30: 3.0L naturally aspirated straight-six, 260hp, 2010-2012
- N20B20A: 2.0L turbo four-cylinder, 240hp, 2013-2017
- B48B20A: 2.0L turbo four-cylinder, 245hp, 2018-2024
- The N20 and B48 are not interchangeable without significant modification - always match the engine code to your VIN
Question 5How long does a BMW X3 xDrive28i engine replacement take-
A typical BMW X3 xDrive28i engine replacement takes 2-4 days for a specialist workshop, depending on the engine type and whether it's a like-for-like swap or a full rebuild.
- N20/N52 engine swap: 10-14 hours labour
- B48 engine swap: 10-14 hours labour
- Supply-only orders: 1-3 working days delivery
- Allow additional time for diagnostic checks and road testing
Question 6Can I get a BMW X3 xDrive28i engine with a warranty-
Yes - every rebuilt BMW X3 xDrive28i engine supplied through EnginesMarket carries a minimum 12-month unlimited-mileage warranty. Used engines typically come with a shorter warranty period (30-90 days), depending on the supplier.
- Rebuilt: 12-month unlimited mileage warranty
- Reconditioned: 6-12 months depending on supplier
- Used: 30-90 days typically
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Comparing quotes for your BMW X3 xDrive28i engine replacement is completely free and carries no obligation. Enter your registration, tell us your engine code (N52B30, N20B20A, N20B20B or B48B20A), and receive transparent, itemised pricing from vetted UK specialists. Whether you need a rebuilt unit with a 12-month warranty or a budget-friendly used engine, we'll match you with the right supplier for your xDrive28i.
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