BMW X4 xDrive35d Engine ReplacementCompare Prices & Get Quotes
Get quotes today from trusted UK BMW X4 xDrive35d engine specialists. Compare prices on reconditioned, rebuilt and used engines for the 313hp 3.0-litre straight-six diesel - supply & fit available nationwide.
Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers

From £4,500 to £7,000
Used from £2,500 · Reconditioned from £4,500 · Common codes: N57D30B, N57D30T1
From £2,500
Tested, bare/short engine
From £4,500
Rod bearings addressed, tested
From quote
Upgraded bearings, full teardown, revised valvetrain

Secure enquiry - no spam, no pressure. Genuine quotes only from vetted UK BMW X4 xDrive35d specialists.
3 Simple Steps3 Simple Stepsto Finding the Best BMW X4 xDrive35d Replacement Engineto Finding the Best BMW X4 xDrive35d Replacement Engine
Most replacements completed within 3-5 days.
BMW X4 xDrive35d - Engine History & Specs at a Glance
The BMW X4 xDrive35d joined the first-generation (F26) X4 lineup at launch in July 2014 as the flagship diesel variant. Powered exclusively by BMW's N57D30 3.0-litre straight-six turbodiesel, the xDrive35d offered 313hp and 630Nm of torque - making it the most potent diesel X4 available until the G02-generation M40d arrived in 2018.

BMW X4 xDrive35d - Engine History & Specs at a Glance
The BMW X4 xDrive35d joined the first-generation (F26) X4 lineup at launch in July 2014 as the flagship diesel variant. Powered exclusively by BMW's N57D30 3.0-litre straight-six turbodiesel, the xDrive35d offered 313hp and 630Nm of torque - making it the most potent diesel X4 available until the G02-generation M40d arrived in 2018.
BMW X4 xDrive35d
Engine History Timeline
July 2014 - BMW X4 xDrive35d launched in the UK with N57D30B engine 3.0-litre straight-six diesel producing 313hp and 630Nm; paired exclusively with 8-speed ZF automatic transmission and xDrive all-wheel drive.
Engine code designation N57D30T1 appears on later production models; specifications unchanged at 313hp / 630Nm.
2018 (March) - F26-generation X4 production ends; xDrive35d discontinued with no direct successor in the G02 generation (M40d replaced it as the performance diesel flagship).
Key Specs Snapshot
Every engine fitted to the BMW X4 xDrive35d is covered below, with UK rebuilt pricing and known failure points for the N57D30 straight-six diesel.
BMW X4 xDrive35d Engine Codes - Specifications & Replacement CostBMW X4 xDrive35d Engine Codes - Specifications & Replacement Cost
3.0L Diesel (2014-2018)
Compatible Trim Levels
- xDrive35d
- xDrive35d SE
- xDrive35d xLine
- xDrive35d M Sport (xDrive35d M Sport represents the vast majority of UK sales)

Find your exact engine code, specs and UK replacement cost guide.
Used
Tested, ready-to-fit engine
£2,500-£4,500
Reconditioned
Addressed known issues, tested
£4,500-£7,000
Rebuilt
Full teardown, upgraded internals
£6,000-£9,000
Common Failure
The N57D30 engine is known for timing chain stretch (rear-mounted chain, labour-intensive to replace), EGR cooler failures which can lead to coolant loss and in rare cases vehicle fires, turbocharger wear from oil starvation or excessive heat, and intake manifold carbon buildup requiring periodic cleaning. Typical failure mileage: 80,000-150,000 miles.


The BMW X4 xDrive35d's N57D30 3.0-litre straight-six diesel is broadly regarded as one of BMW's more robust diesel engines when properly maintained. However, it has well-documented weak points - timing chain stretch, EGR cooler failure, and turbocharger wear being the most significant. Rebuilt engines supplied through EnginesMarket include upgraded components addressing these original failure points, plus a minimum 12-month unlimited-mileage warranty.

Why the BMW X4 xDrive35d's Straight-Six Wears Prematurely
Affected Vehicles
BMW X4 xDrive35d (N57D30B / N57D30T1, 2014-2018)
Typical Failure Mileage
80,000-150,000 miles
Root Cause
Like the N47, the N57's timing chain is positioned at the flywheel side (rear) of the engine. Chain stretch and guide deterioration cause slack, leading to rattling noises on cold start and eventual timing jump. If the chain snaps or jumps teeth, valve-to-piston collision occurs - requiring a full engine replacement.
Why It Happens
Like the N47, the N57's timing chain is positioned at the flywheel side (rear) of the engine. Chain stretch and guide deterioration cause slack, leading to rattling noises on cold start and eventual timing jump. If the chain snaps or jumps teeth, valve-to-piston collision occurs - requiring a full engine replacement.
Dealer (parts + labour)
£2,500-£3,500
Specialist (parts + labour)
£1,500-£2,500
What it involves
New timing chain, tensioners, guides, and oil pump chain; engine remains in car
Suitability
80,000+ miles if caught before stretch causes sprocket wear
Dealer (parts + labour)
£9,000-£13,000
Specialist (parts + labour)
£6,000-£9,000
What it involves
Supply & fit of rebuilt N57D30 engine with upgraded timing components, bench tested, 12-month warranty
Suitability
100,000+ miles expected; upgraded components address original flaw
| Repair Tier | Dealer (Parts + Labour) | Specialist (Parts + Labour) | What It Involves | Suitability | Estimated Time |
|---|---|---|---|---|---|
Preventative Timing Chain Replacement - catch it early Minor | £2,500-£3,500 | £1,500-£2,500 | New timing chain, tensioners, guides, and oil pump chain; engine remains in car | 80,000+ miles if caught before stretch causes sprocket wear | |
Full Replacement - Rebuilt Engine - after catastrophic failure Best Value | £9,000-£13,000 | £6,000-£9,000 | Supply & fit of rebuilt N57D30 engine with upgraded timing components, bench tested, 12-month warranty | 100,000+ miles expected; upgraded components address original flaw |
Vehicle Value Check
Vehicle Value Check
A typical 2014-2018 BMW X4 xDrive35d M Sport with 60,000-100,000 miles is worth approximately £8,180-£15,460 depending on condition and mileage. Private sale values average around £19,800 for well-maintained examples. With rebuilt engine costs at £6,000-£9,000 supply-only (plus £780-£1,040 fitting), replacement represents roughly 40-60% of vehicle value - firmly in "watch" territory. Evaluate the car's overall condition carefully before committing to a full rebuild. If the body and transmission are sound, replacement makes excellent financial sense on a £10k+ example.
Our Recommendation
Our Recommendation
If you hear a rattling noise from the rear of the engine on cold starts, act immediately. A preventative timing chain replacement at a specialist costs £1,500-£2,500 and saves the engine - far cheaper than a full rebuild. Once the chain fails, replacement is the only option. On an xDrive35d worth £10,000-£15,000, a £6,000-£9,000 rebuilt engine with upgraded components is a viable investment if the rest of the car is in good order.

Don't Let Engine Failure Write Off Your BMW X4 xDrive35d
From N57 timing chain stretch to EGR cooler failures and turbocharger wear, the BMW X4 xDrive35d's 3.0-litre straight-six diesel has specific weak points that can lead to costly repairs. EnginesMarket connects you with trusted UK BMW X4 specialists who supply rebuilt N57D30 engines with upgraded components designed to address these original failure points - all backed by a minimum 12-month unlimited-mileage warranty. Compare prices across our nationwide network and get back on the road without the main dealer premium.
Compare rebuilt N57D30 BMW X4 xDrive35d engine prices
Important 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 X4 xDrive35d. Every engine supplied through EnginesMarket carries a minimum 12-month unlimited mileage warranty - always confirm exact terms with your chosen supplier."
BMW X4 xDrive35d Engine ReplacementFrequently Asked Questions
Question 1How much does a BMW X4 xDrive35d engine replacement cost in the UK-
A rebuilt N57D30 engine for the BMW X4 xDrive35d typically costs £6,000-£9,000 supply-only, depending on condition and supplier. Specialist fitting adds £780-£1,040 (12-16 hours at independent labour rates).
- Used engines: £2,500-£4,500 supply-only
- Reconditioned units: £4,500-£7,000 supply-only
- Main dealer replacement can cost 2-3x more than specialist rebuilt units
Question 2What are the signs of N57D30 timing chain failure in a BMW X4 xDrive35d-
The most common warning sign is a metallic rattling noise from the rear of the engine on cold start. Other symptoms include rough idle, reduced performance, and in severe cases, a check engine light.
- Rattling noise is most noticeable on first start of the day
- Chain stretch can cause the engine to jump timing without warning
- Preventative replacement costs £1,500-£2,500 at a specialist
- Post-failure engine replacement costs £6,000-£9,000 for a rebuilt unit
Question 3Is the BMW X4 xDrive35d N57D30 engine reliable for high mileage-
The N57D30 is widely regarded as one of BMW's more reliable modern diesel engines when properly maintained. With strict oil change intervals and preventative maintenance, it routinely exceeds 150,000-200,000 miles.
- Timing chain stretch is the primary concern - address rattling immediately
- EGR cooler failure is common - pressure-test at first sign of coolant loss
- Turbocharger wear is preventable with 8,000-10,000-mile oil changes
- Intake manifold carbon cleaning recommended every 50,000-60,000 miles
Question 4Can I fit a used BMW X4 xDrive35d engine instead of a rebuilt one-
Yes, used N57D30 engines cost £2,500-£4,500 supply-only. However, they offer no warranty on internal condition and may carry the same original failure risks (timing chain, EGR, turbo).
- Used engines are 40-60% cheaper than rebuilt units upfront
- No guarantee on timing chain wear, injector health, or turbo condition
- Rebuilt engines address original failure points with upgraded components
- All EnginesMarket rebuilt engines include 12-month unlimited-mileage warranty
Question 5How long does a BMW X4 xDrive35d engine replacement take with supply and fit-
A specialist can typically complete a BMW X4 xDrive35d engine replacement in 4-6 working days, including delivery of the rebuilt N57D30 engine and professional fitting.
- Engine delivery to your chosen garage takes 1-2 working days
- Fitting time: 3-4 days for the 3.0-litre straight-six (12-16 labour hours)
- ISN coding and immobiliser matching adds 1 day for ECU synchronisation
- Most specialists offer courtesy cars or collection/delivery services
Question 6What's the difference between the BMW X4 xDrive35d and xDrive30d-
Both use the N57D30 3.0-litre straight-six diesel, but the xDrive35d is the higher-output version. The xDrive30d produces 258hp, while the xDrive35d produces 313hp - a 55hp difference from different turbocharging and engine mapping.
- xDrive35d: 313hp, 630Nm torque, 0-62mph in 5.2 seconds
- xDrive30d: 258hp, 560Nm torque, 0-62mph in 5.8 seconds
- Both share the same N57D30 engine family and common failure points
- xDrive35d was the flagship diesel until the G02 M40d arrived in 2018
Compare BMW X4 xDrive35dEngine PricesToday
100+ N57D30 engines supplied for BMW X4 xDrive35d through our network
12-Month Warranty on every rebuilt BMW X4 xDrive35d engine
Nationwide UK delivery
supply & fit available from BMW specialists
Comparing quotes for your BMW X4 xDrive35d engine replacement is completely free and carries no obligation. Enter your registration above to get matched with trusted UK specialists who supply rebuilt, reconditioned and used N57D30 engines specifically for your xDrive35d. Every rebuilt unit comes with a minimum 12-month unlimited-mileage warranty, upgraded components addressing the original failure points, and nationwide delivery or supply & fit options.

Enter your registration
and get matched with verified BMW X4 xDrive35d specialists.
