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Popular BMW 740d Engine Models
Compare used and reconditioned engine guide prices from trusted UK suppliers. Find replacement engine options by model, price and availability.
Available Engine Models
Starting guide prices for replacement engines
Quick Quotes
| Engine Code | CC | Size | Fuel | Number of Cylinders | Aspiration | Fits | Price (From) |
|---|---|---|---|---|---|---|---|
|
BMW
BMW 740d Engine N57D30T0 / N57-D30
Average rating:
5
4
2995
N57D30T0 / N57-D30
|
3.0 Litre | 3000 cc | Diesel | 6 CYLINDER INLINE | Turbo | 2009-2011 | £ 2995 |
|
BMW
BMW 740d Engine N57D30B
Average rating:
5
4
-300
N57D30B
|
3.0 Litre | 2993 cc | Diesel | V TYPE 12 CYLINDER | Turbo | 2009-2012 | - |
|
BMW
BMW 740d Engine N57D30B
Average rating:
5
4
-300
N57D30B
|
3.0 Litre | 2993 cc | Diesel | V TYPE 12 CYLINDER | Turbo | 2010-2012 | - |
|
BMW
BMW 740d Engine N57D30B
Average rating:
5
4
-300
N57D30B
|
3.0 Litre | 2993 cc | Diesel | V TYPE 12 CYLINDER | Turbo | 2012-2015 | - |
|
BMW
BMW 740d Engine B57D30B
Average rating:
5
4
-300
B57D30B
|
3.0 Litre | 2993 cc | Diesel | V TYPE 12 CYLINDER | Turbo | 2020-2024 | - |
|
BMW
BMW 740d Engine 398D1 / M67-D40
Average rating:
5
4
2695
398D1 / M67-D40
|
3.9 Litre | 3900 cc | Diesel | V TYPE 8 CYLINDER | Turbo | 2002-2005 | £ 2695 |
|
BMW
BMW 740d Engine 398D1 / M67-D40
Average rating:
5
4
2695
398D1 / M67-D40
|
3.9 Litre | 3900 cc | Diesel | V TYPE 8 CYLINDER | Turbo | 1999-2002 | £ 2695 |
|
BMW
BMW 740d Engine 398D1 / M67-D40
Average rating:
5
4
2695
398D1 / M67-D40
|
3.9 Litre | 3900 cc | Diesel | V TYPE 8 CYLINDER | Turbo | 1999-2002 | £ 2695 |
What to do after BMW 740d diesel engine failure
Short answer: if the engine in your BMW 740d diesel has failed, you can compare a used replacement engine with a reconditioned engine, choose supply-only or professional fitting, and request recovery if the vehicle is not driveable.
- Service choice: supply-only or supply-and-fit.
- Recovery: available for non-running vehicles to the garage doorstep across mainland UK.
- Potential saving: up to 40% against comparable main-dealer routes where the job and specification allow.
- Used engine warranty: up to 6 months, depending on the unit and stated terms.
- Reconditioned engine warranty: up to 3 years, depending on the engine and stated terms.
Choose the level of service you actually need
If your own mechanic is ready, request a supply-only BMW 740d diesel engine and make sure the fitter understands the warranty conditions before installation. If you need a workshop as well, request supply-and-fit. If the vehicle is stranded, include recovery. BuyEngines has a mainland UK network of garages, so the enquiry can cover engine sourcing, transport and installation rather than leaving you to solve each part separately.
Compatibility is more important than a cheap advertised price
Two BMW 740d diesel vehicles can look identical and still require different engine specifications. Before a unit is reserved, provide the registration and, where needed, VIN and engine code. Year, transmission and output can also matter. A proper match reduces failed deliveries, labour delays and disputes over components that do not transfer correctly. Your quotation should state what is included with the engine and which items-such as turbocharger, injectors, manifolds, starter, alternator or sensors-are excluded, tested separately or transferred from the old unit.
Which BMW 740d diesel replacement gives the best value?
| Option | Usually suits | Warranty position |
|---|---|---|
| Used engine | Lower upfront budget, quicker return to the road where suitable stock exists | Up to 6 months, subject to unit and terms |
| Reconditioned engine | Owners keeping the vehicle longer or wanting a more extensively renewed unit | Up to 3 years, subject to engine and terms |
Do not compare the two by purchase price alone. Ask what is included, what the warranty requires from the fitter and which additional parts should be renewed before the replacement is commissioned.
How much does a replacement BMW 740d diesel engine cost?
There is no credible single fixed price for every BMW 740d diesel. The figure changes with the exact engine code, condition, mileage or reconditioning level, availability, ancillaries, warranty and whether labour is included. The total fitted price can also change if the workshop finds damaged supporting components or the cause of the original failure must be corrected. BuyEngines is designed to compare alternatives rather than present a misleading universal figure. Where a comparable main-dealer route exists, suitable jobs can deliver savings of up to 40%, but the meaningful comparison is the completed repair with like-for-like inclusions.
Checks around the replacement BMW 740d diesel engine
On a diesel engine, do not assume every fault belongs to the replacement long block. The workshop may need to check turbo oil supply, injectors, cooling performance and emissions-related components so an external fault does not damage the replacement.
What should you check before approving the engine?
Ask for the engine specification, condition description, warranty length, warranty exclusions and the list of included ancillaries in writing. Check whether the warranty requires new fluids, filters, timing components, oil cooler, turbo checks or other fitting steps. Keep the invoice and installation records. BuyEngines brings 35 years of automotive experience, state-of-the-art workshop facilities, highly qualified mechanics and a mainland UK garage network to the replacement process. Those credentials matter most when they are combined with a transparent quote and a technically correct match.
Which BMW 740d diesel engine route fits your situation?
The best quote depends on what you are trying to optimise-cost, speed, warranty, convenience or long-term value:
- If warranty is your main concern, compare the written conditions-not just the number of months or years. Check what the fitter must replace, document or test for the cover to remain valid.
- If you need budget certainty, ask which extra charges could arise only after removal of the old engine. Knowing the likely exceptions in advance makes supplier quotes easier to compare fairly.
- If several engines are being advertised for the same model, do not choose by capacity or photograph. Use registration, VIN and engine-code information to narrow the unit to the actual derivative.
For a premium car, documentation and workshop capability are part of the value of the repair, not optional extras. Diesel installations should consider the components around the engine, especially any fault that could damage the replacement through poor lubrication, fuelling or boost control.
How to get a BMW 740d diesel engine quote
- Identify the car: Send the BMW 740d diesel registration and any VIN or engine-code details available.
- Choose the route: Tell us whether you want used, reconditioned or both; supply-only or fitted; and whether recovery is required.
- Compare the complete quote: Check engine specification, warranty, inclusions, fitting scope and any likely additional parts before you commit.
Providing these details at the start reduces back-and-forth and helps the engine, recovery and fitting requirements line up from the outset.
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Replacement Engine Help
Clear answers for UK drivers comparing used, reconditioned, supply-only and fitted replacement engine quotes.
Frequently asked questions about BMW 740d diesel replacement engines
Should I buy a used or reconditioned engine for my BMW 740d diesel?
A used engine usually suits a lower upfront budget; a reconditioned engine can suit owners planning to keep the vehicle longer and wanting greater internal renewal and longer warranty potential. Compare the complete fitted cost and warranty, not the engine price alone.
Can I have a BMW 740d diesel engine delivered to my own mechanic?
Yes. Choose supply-only if your garage has agreed to fit the engine. Before ordering, make sure the mechanic sees the warranty conditions and confirms which supporting parts or checks are required during installation.
Could I save money compared with a main dealer on a BMW 740d diesel engine?
Potentially. BuyEngines states savings of up to 40% against comparable main-dealer routes on suitable jobs. The exact saving varies, so compare like-for-like engine condition, warranty, labour, recovery and included parts.
How much is a replacement BMW 740d diesel engine in the UK?
There is no reliable one-price answer. The total depends on the exact engine code, used or reconditioned condition, availability, included ancillaries, warranty, recovery and fitting. A vehicle-matched written quote is more meaningful than a generic advertised figure.
What details do you need to find the correct BMW 740d diesel engine?
Start with the registration. VIN, model year, engine code, fuel type, capacity, transmission or exact derivative may also be needed. The purpose is to confirm compatibility before the engine is reserved or dispatched.
Can you fit the replacement BMW 740d diesel engine for me?
Yes. BuyEngines offers supply-and-fit as well as supply-only. Fitting can be arranged through the mainland UK garage network. Ask the quote to state the labour scope and which fluids, filters or additional parts are included.
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