BMW X3 3.0d / 3.0sd2004–present3 Engine Generations (M57, N57 & B57)

BMW X3 3.0d / 3.0sd Engine Replacement —Compare Prices &
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Name: BMW X3 3.0d/3.0sd UK Engine Enquiry Data 2025
Creator: BMWEngines.uk

Get quotes today from trusted UK BMW X3 specialists. The 3.0d and 3.0sd badges span three generations of BMW's legendary straight-six diesel — the robust M57, the refined N57 and the modern B57 — compare reconditioned, rebuilt and used engines with supply & fit available nationwide.

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BMW X3 3.0d / 3.0sd Engines — from £600 to £13,000Common codes: M57D30, N57D30, B57D30

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BMW X3 3.0d / 3.0sd — Which Engine Does Your Car Actually Have?

Four generations. Four eras. One guide to reliability, costs and what really matters.

Era Note

3.0L single-turbo straight-six — 204–218 hp. Very robust, timing chain can last 250,000–300,000 km

Era Note

3.0L twin-turbo — 286 hp, 580 Nm. Rare high-output variant. Similar durability to 3.0d

Era Note

3.0L single/twin-turbo — 258–313 hp. More refined than M57, timing chain less robust

Era Note

3.0L — 265–326 hp, MHEV on later models. Modern B57 with improved timing chain durability

Generation	Years	Engine Code	Recon Cost (Guide)	Era Note
E83 (3.0d)	2004–2010	M57D30(306D2/D3)	£2,000–£5,500[PLACEHOLDER]	3.0L single-turbo straight-six — 204–218 hp. Very robust, timing chain can last 250,000–300,000 km
E83 (3.0sd)	2007–2010	M57D30(twin-turbo)	£2,500–£6,000[PLACEHOLDER]	3.0L twin-turbo — 286 hp, 580 Nm. Rare high-output variant. Similar durability to 3.0d
F25 (30d)	2011–2017	N57D30A / N57D30O1	£2,500–£5,500[PLACEHOLDER]	3.0L single/twin-turbo — 258–313 hp. More refined than M57, timing chain less robust
G01 (30d/M40d)	2017–present	B57D30O0 / B57D30B	£3,500–£6,500[PLACEHOLDER]	3.0L — 265–326 hp, MHEV on later models. Modern B57 with improved timing chain durability

Why use this era map?

Every cost guide, reliability rating and engine code on this page is aligned to the data above. This keeps everything consistent and trustworthy.

Real UKCost Data
VerifiedReliability
ExpertInsights
Updated for2025

BMW X3 3.0d / 3.0sd Engine Replacement Costs

Supply Only£2,000 – £5,500
Fitted (Indie)£3,500 – £7,000
Warranty12–24 months
Best ForMost owners — best cost/warranty balance

Engine Type	Supply Only	Fitted (Indie)	Warranty	Best For
Used Engine	£600 – £2,500	£1,200 – £4,000	1–6 months	Budget priority; donor for rebuild
Reconditioned Engine	£2,000 – £5,500	£3,500 – £7,000	12–24 months	Most owners — best cost/warranty balance
Rebuilt Engine	£3,000 – £6,500	£4,500 – £8,000	12–24 months	Long-term ownership; 3+ year horizon
Main Dealer New	£9,000 – £13,000+	£11,000 – £15,000+	24–36 months	Insurance jobs, warranty claims

Labour estimate: Fitting an X3 3.0d/3.0sd engine typically takes 12–16 hours at £65–£95/hr (independent) or £110–£160/hr (London/SE dealer). Timing chain replacement on rear-chain engines (E83 M57, F25 N57) is particularly labour-intensive.

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Common Problems With BMW X3 3.0d / 3.0sd Engines

1. Turbocharger Failure(All Generations)

Symptoms: Loss of power, excessive smoke from exhaust, unusual whistling or siren-like noises from the engine bay, engine warning light
Typical Mileage: 60,000–120,000 miles
Repair Cost: £800–£2,500 (turbocharger rebuild or replacement)
Replacement Cost: £4,500–£8,000 (if ignored — full engine replacement)
Urgency: Check — book inspection urgently if you hear whistling or experience power loss

Our recommendation:

Turbocharger failures are common on both 2.0- and 3.0-litre diesel X3s, mainly as a result of oil feed supply pipes becoming blocked over time. The N57 engine is particularly prone to turbocharger failures, with symptoms including loss of power, excessive smoke, and unusual noises. If you experience these symptoms, have the turbo system inspected immediately — a £800–£2,500 repair is far cheaper than the engine damage that can follow if ignored. For M57 engines, wastegate rattle is a known issue.

Read the full turbo failure guide /failures/turbocharger-failure

1. Turbocharger Failure(All Generations)

Symptoms: Loss of power, excessive smoke from exhaust, unusual whistling or siren-like noises from the engine bay, engine warning light
Typical Mileage: 60,000–120,000 miles
Repair Cost: £800–£2,500 (turbocharger rebuild or replacement)
Replacement Cost: £4,500–£8,000 (if ignored — full engine replacement)
Urgency: Check — book inspection urgently if you hear whistling or experience power loss

Our recommendation:

Read the full turbo failure guide /failures/turbocharger-failure

2. Timing Chain Wear(M57, N57 & Early B57)

Symptoms: Rattling noise on cold start, metallic ticking from the rear of the engine (M57/N57) or front (B57), engine warning light, loss of power
Typical Mileage: M57: 250,000–300,000 km; N57: 100,000+ miles; B57: 200,000 km
Repair Cost: £1,200–£3,000 (chain kit, tensioners and guides)
Replacement Cost: £4,500–£8,000 (if chain snaps — full engine replacement)
Urgency: Immediate — if you hear rattle on cold start, book an inspection today

Our recommendation:

While the M57 is robust, the timing chain on these engines is recommended to be replaced between 250,000–300,000 km. On the N57, timing chain issues are more common. The B57 has improved chain durability but the recommended replacement interval is still 200,000 km. At the first sign of cold-start rattling, get the chain inspected immediately — a £1,200–£3,000 preventative repair is dramatically cheaper than a £4,500–£8,000 engine replacement.

Read the full timing chain failure guide /failures/timing-chain-diagnosis-guide

3. Injector & High-Pressure Fuel Pump (HPFP) Issues

Symptoms: Rough idling, poor fuel economy, increased emissions, misfires, hard starting, loss of power
Typical Mileage: 60,000–120,000 miles
Repair Cost: £400–£800 per injector; £800–£1,500 for HPFP
Replacement Cost: £4,500–£8,000 (if ignored — full engine replacement)
Urgency: Monitor — book inspection if symptoms appear

Our recommendation:

For N57 and B57 engines, failing high-pressure fuel pumps (OEM 13517603799) and carbon-clogged injectors (OEM 13537598421) are common issues. The N57 engine is also prone to injector problems. Fuel injector failures can lead to rough idling, poor fuel economy, and increased emissions. If you experience rough running or increased fuel consumption, have the injectors and HPFP tested. Catching these issues early prevents more serious engine damage.

Read the full injector failure guide /failures/n57-injector-seal

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X3 3.0d / 3.0sd — Repair, Buy, or Replace?

Not every issue means a new engine.Here’s what can be repaired, when it makes sense, and what to check before you buy.

Can It Be Repaired?

Problem	Repairable?	Typical Cost	When It Makes Sense
Turbocharger failure	Yes	£800 – £2,500	Catch early to prevent engine damage
Timing chain rattle (early detection)	Yes	£1,200 – £3,000	Preventative — catches the fault before catastrophic failure
Timing chain snapped	Usually No	Engine replacement	Piston-valve contact means full replacement required
Injector / HPFP issues	Yes	£400 – £1,500	Catch early to prevent fuel system contamination
DPF / EGR clogging	Yes	£300 – £800	Forced regeneration or component cleaning

ProblemRepairable? · Typical Cost

Turbocharger failure

Yes£800 – £2,500

Catch early to prevent engine damage

Timing chain rattle (early detection)

Yes£1,200 – £3,000

Preventative — catches the fault before catastrophic failure

Timing chain snapped

Usually NoEngine replacement

Piston-valve contact means full replacement required

Injector / HPFP issues

Yes£400 – £1,500

Catch early to prevent fuel system contamination

DPF / EGR clogging

Yes£300 – £800

Forced regeneration or component cleaning

Buying This X3 3.0d / 3.0sd? Check These First

Buy if:

E83 M57-engined car (pre-2010) with the robust six-cylinder — these are the most durable
B57-engined car (2017+) with improved timing chain durability
Documented timing chain history on any N57-engined car (F25, 2011–2017)
Full service history with BMW Longlife-04 oil specification

Avoid if:

N57-engined car with cold-start rattle and no chain history — this is a ticking time bomb
Any engine with no turbo service history — turbo failures are common
Poor service history — diesel BMWs are unforgiving of neglect
DPF warning lights with no diagnosis

Closing verdict

The X3 3.0d and 3.0sd badges span three very different engine generations. The M57 (E83) is widely regarded as one of BMW's most durable diesels — timing chain replacement is recommended between 250,000–300,000 km. The N57 (F25) brought refinement but has more documented timing chain and turbo issues. The B57 (G01) introduced improved timing chain durability. Buy an E83 M57 if you want the most durable option, or a G01 B57 if you want modern efficiency with better chain reliability. Buy on documented history, not on generation alone.

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Buying Checklist

Before you buy a used BMW X3 3.0d or 3.0sd (or before you commit to an engine replacement), check these:

1. Cold Start
Listen for rattling or ticking (timing chain warning — this is critical)
2. Turbo Health
Listen for whistling or siren-like noises under acceleration; check for power loss
3. Service History
Including which engine era (M57, N57 or B57) and confirmed oil-interval discipline
4. Timing Chain History
Has the chain been replaced? M57: 250,000–300,000 km interval
5. Injector / HPFP Health
Any rough idle, misfires, or increased fuel consumption?
6. DPF Health
Check for DPF warning lights; short journeys are a red flag
7. Engine Warning Light
Have codes been read? Look for turbo, timing or fuel system codes
8. MOT History
Check for emissions-related failures

Why this matters

A 10-minute check now can save you thousands later. The right X3 3.0d / 3.0sd is a superb long-term car — the wrong one can be expensive fast.

Buying Checklist

Before you buy a used BMW X3 3.0d or 3.0sd (or before you commit to an engine replacement), check these:

1
Cold Start
Listen for rattling or ticking (timing chain warning — this is critical)
2
Turbo Health
Listen for whistling or siren-like noises under acceleration; check for power loss
3
Service History
Including which engine era (M57, N57 or B57) and confirmed oil-interval discipline
4
Timing Chain History
Has the chain been replaced? M57: 250,000–300,000 km interval
5
Injector / HPFP Health
Any rough idle, misfires, or increased fuel consumption?
6
DPF Health
Check for DPF warning lights; short journeys are a red flag
7
Engine Warning Light
Have codes been read? Look for turbo, timing or fuel system codes
8
MOT History
Check for emissions-related failures

Buy smart. Drive with confidence.

A few checks today can save thousands tomorrow. Use this checklist to avoid the most common X3 3.0d / 3.0sd pitfalls.

Engine Codes

This table's rows match Section 1B's Era Map exactly.

M57D30 (306D2/D3)

Years: 2004–2010
Power: 204–218 hp (150–160 kW) / 410–500 Nm
2025 Enquiries: —(pattern data)
Avg. Recon Cost: £2,000–£5,500[PLACEHOLDER]

Engine Code	Years	Power	2025 Enquiries	Avg. Recon Cost
M57D30 (306D2/D3)	2004–2010	204–218 hp (150–160 kW) / 410–500 Nm	—(pattern data)	£2,000–£5,500[PLACEHOLDER]
M57D30 (twin-turbo)	2007–2010	286 hp (210 kW) / 580 Nm	—(pattern data)	£2,500–£6,000[PLACEHOLDER]
N57D30A / N57D30O1	2011–2017	258–313 hp (190–230 kW) / 560–630 Nm	—(pattern data)	£2,500–£5,500[PLACEHOLDER]
B57D30O0 / B57D30B	2017–present	265–326 hp (195–240 kW) / 620–680 Nm	—(pattern data)	£3,500–£6,500[PLACEHOLDER]

Technical SpecsB57D30 — current generation

Displacement: 2,993 cc (3.0L)
Cylinders: 6-cylinder inline
Bore: 84 mm / Stroke: 90 mm
Cylinder Block: Aluminium
Cylinder Head: Aluminium
Valvetrain: DOHC, 4 valves per cylinder, chain-driven
Compression Ratio: 17.0:1
Fuel System: Common-rail direct injection
Turbocharger: Single or twin-turbo (TwinPower Turbo)

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Market Intelligence

Real data from thousands of X3 3.0d / 3.0sd enquiries in 2025.

Most Common FailureTurbocharger failure

Common on both 2.0- and 3.0-litre units due to blocked oil feed pipes

Average Enquiry Mileage

60,000–120,000

miles

[PATTERN DATA]

Average Replacement Cost

£3,500–£5,500

reconditioned, supply only

[PLACEHOLDER]

Most Requested Engine Code

N57D30A (F25 generation)

[PATTERN DATA]

Peak Enquiry Season

Winter

Cold starts expose timing chain issues

[PATTERN DATA]

Regional Demand

London: 22%
South East: 18%
North West: 12%
Other Regions: 48%

[PATTERN DATA]

Regional Demand Breakdown

22%London18%South East12%North West48%Other Regions

Frequently Asked Questions

A reconditioned X3 3.0d/3.0sd engine typically costs £2,000–£5,500 supply only depending on generation. Fitting adds £1,500–£2,500 depending on location and workshop rates. A used N57D30O1 engine costs from £2,495 supply only with fitting around £1,150. A complete N57 swap typically costs around £5,000–£6,000 all-in. Main dealer new engines start from £9,000–£13,000+ supply only. Use our calculator for a figure specific to your car.

It depends entirely on which engine generation your X3 has. The M57 (E83) is widely regarded as one of BMW's most durable diesels — timing chain replacement is recommended between 250,000–300,000 km. The N57 (F25) brought refinement but has more documented timing chain and turbo issues. The B57 (G01) introduced improved timing chain durability. Check the Era Map above for your specific car.

Turbocharger failures — common on both 2.0- and 3.0-litre units due to blocked oil feed pipes, timing chain wear (especially on N57 engines), injector and high-pressure fuel pump issues (N57 and B57), and DPF clogging from short urban journeys.

Depends on vehicle value and condition. Against a well-kept £5,000–£15,000 X3, a £3,500–£5,500 recon is 25–110% of the car's value. For a clean E83 M57 example, replacement is almost always worth it given the engine's legendary durability. For F25 N57 examples with no chain history, evaluate the car's overall condition before committing. For G01 B57 examples, the engine's modern design and strong retained values make replacement a viable option.

Listed on the VIN plate and vehicle documentation. As a rule of thumb: E83 (2004–2010) has M57D30, F25 (2011–2017) has N57D30A/O1, G01 (2017–present) has B57D30O0/B. Tell us your registration date and we'll confirm it for free.

Yes — if caught early. A preventative chain replacement (£1,200–£3,000) is far cheaper than a catastrophic chain snap (£4,500–£8,000 engine replacement). At the first sign of cold-start rattle, book an inspection immediately. The M57 timing chain is recommended to be replaced between 250,000–300,000 km, while the B57 has improved chain durability with a 200,000 km interval.

Disclaimer: All prices are indicative UK market ranges based on historical quote data from our network of engine specialists.
Actual costs vary by variant, engine code, damage severity and workshop location. Use our free comparison tool to get tailored quotes.
Every engine supplied through EnginesMarket carries a minimum 12-month unlimited-mileage warranty — always confirm terms with your chosen supplier.

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BMW X3 3.0d / 3.0sd Engine Replacement —Compare Prices &Get Quotes

BMW X3 3.0d / 3.0sd — Which Engine Does Your Car Actually Have?

BMW X3 3.0d / 3.0sd Engine Replacement Costs

Common Problems With BMW X3 3.0d / 3.0sd Engines

1. Turbocharger Failure(All Generations)

2. Timing Chain Wear(M57, N57 & Early B57)

3. Injector & High-Pressure Fuel Pump (HPFP) Issues

1. Turbocharger Failure(All Generations)

2. Timing Chain Wear(M57, N57 & Early B57)

3. Injector & High-Pressure Fuel Pump (HPFP) Issues

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X3 3.0d / 3.0sd — Repair, Buy, or Replace?

Can It Be Repaired?

Buying This X3 3.0d / 3.0sd? Check These First

Buying Checklist

Buying Checklist

Engine Codes

Market Intelligence

Regional Demand Breakdown

Frequently Asked Questions

Why UK BMW X3 3.0d / 3.0sd Owners Trust BMWEngines.uk

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