BMW 5 Series 550i Engine ReplacementCompare Prices & Get Quotes
Get quotes today from trusted UK BMW 5 Series 550i engine specialists. Compare prices on reconditioned, rebuilt and used N62B48 and N63B44 engines for your E60, E61 or F10 550i with our free, no-obligation quote comparison.
Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers
From £3,000 to £8,500
Used from £1,500 · Reconditioned from £3,438 · Common codes: N62B48, N63B44O0, N63B44T0
From £1,500
Tested, bare/short engine
From £3,438
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 5 Series 550i Replacement Engineto Finding the Best BMW 5 Series 550i Replacement Engine
Most replacements completed within 3-5 days.
Variant HistoryBMW 5 Series 550i - Engine History & Specs at a Glance
The BMW 550i debuted in 2005 as the flagship petrol V8 of the E60 5 Series range, delivering effortless performance and genuine executive-car prestige. Over two generations - the E60/E61 and the F10 - the 550i has been powered by BMW's 4.4-litre and 4.8-litre V8 engines, evolving from the naturally aspirated N62 to the twin-turbocharged N63 family.
Variant HistoryBMW 5 Series 550i - Engine History & Specs at a Glance
The BMW 550i debuted in 2005 as the flagship petrol V8 of the E60 5 Series range, delivering effortless performance and genuine executive-car prestige. Over two generations - the E60/E61 and the F10 - the 550i has been powered by BMW's 4.4-litre and 4.8-litre V8 engines, evolving from the naturally aspirated N62 to the twin-turbocharged N63 family.
BMW 5 Series 550i
Fuel TypePetrol
Engine Size Range4.4L-4.8L
Power Output Range367-445hp across the variant's historyEngine History Timeline
**2005** - E60/E61 550i launched with N62B48 4.8-litre naturally aspirated V8 367hp, 490Nm torque
**2005-2010** - N62B48 produced across E60/E61 550i E63/E64 650i and E70 X5 4.8i applications
**2010** - F10 550i launched with N63B44O0 4.4-litre twin-turbo V8 407hp, 600Nm
**2013** - F10 LCI 550i receives updated N63B44T0 engine with improved 445hp output
**2016** - F10/F11 550i production ends; replaced by G30 540i
Key Specs Snapshot
Fuel TypePetrolEngine Size Range4.4L-4.8LPower Output Range367-445hp across the variant's historyYears Produced2005-2016Every engine fitted to the BMW 5 Series 550i is covered below, with UK rebuilt pricing and known failure points.
BMW 5 Series 550i Engine Codes - Specifications & Replacement CostBMW 5 Series 550i Engine Codes - Specifications & Replacement Cost
4.8L Naturally Aspirated V8 Petrol (2005-2010)
Power Output367hp (270kW)Years Fitted2005-2010 (E60/E61)
Compatible Trim Levels
- 550i
- 550i SE
- 550i M Sport
- 550i Touring
Find your exact engine code, specs and UK replacement cost guide.
Used
Tested, ready-to-fit engine
£1,500-£2,800
Reconditioned
Addressed known issues, tested
£3,438-£4,500
Rebuilt
Full teardown, upgraded internals
£4,500-£6,000
Common Failure
The N62's valve stem seals harden and fail with age, causing blue smoke on startup and excessive oil consumption. The CCV (crankcase ventilation) system can also fail, leading to oil leaks and rough running. Alternator bracket gasket oil leaks are also common.
The BMW 550i's V8 engines are among the most complex and expensive to maintain in the 5 Series range. Both the N62 and N63 families suffer from well-documented, often catastrophic failures that can make replacement the only sensible option. Rebuilt 550i engines through EnginesMarket include upgraded components addressing the original failure points, plus a minimum 12-month unlimited-mileage warranty.
Why the BMW 5 Series F10 550i Fails Catastrophically
Affected Vehicles
BMW 5 Series F10 550i (N63B44O0 / N63B44T0, 2010-2016)
Typical Failure Mileage
60,000-100,000 miles - sometimes even below 60,000
Root Cause
The N63's timing chain guides are made of brittle plastic that breaks apart with age and heat. When guides fail, the chain can slacken or snap, causing piston-to-valve contact and catastrophic internal damage. The hot-V turbo configuration creates extreme under-bonnet temperatures that accelerate component wear.
Why It Happens
The N63's timing chain guides are made of brittle plastic that breaks apart with age and heat. When guides fail, the chain can slacken or snap, causing piston-to-valve contact and catastrophic internal damage. The hot-V turbo configuration creates extreme under-bonnet temperatures that accelerate component wear.
Dealer (parts + labour)
£6,000-£8,000
Specialist (parts + labour)
£3,500-£5,500
What it involves
New timing chains, guides, tensioner
Suitability
Early intervention if rattle is heard; significantly cheaper than full replacement
1 - 2 daysDealer (parts + labour)
£4,000-£6,000
Specialist (parts + labour)
£2,500-£4,000
What it involves
New valve stem seals, often part of Customer Care Package
Suitability
Addresses oil consumption and smoke on startup
1 - 2 daysDealer (parts + labour)
£12,000-£18,000
Specialist (parts + labour)
£6,500-£9,000
What it involves
Supply & fit, upgraded components, 12-month warranty
Suitability
When chain has failed or internal damage has occurred
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 |
|---|---|---|---|---|---|
 Preventative timing chain replacement Minor | £6,000-£8,000 | £3,500-£5,500 | New timing chains, guides, tensioner | Early intervention if rattle is heard; significantly cheaper than full replacement | 1 - 2 days |
 Valve stem seal replacement (N63) Best Value | £4,000-£6,000 | £2,500-£4,000 | New valve stem seals, often part of Customer Care Package | Addresses oil consumption and smoke on startup | 1 - 2 days |
Full Replacement - rebuilt/reconditioned engine Best Value | £12,000-£18,000 | £6,500-£9,000 | Supply & fit, upgraded components, 12-month warranty | When chain has failed or internal damage has occurred | 1 - 2 days |
Vehicle Value Check
Vehicle Value Check
A typical F10 550i (2010-2016) is worth roughly £5,000-£15,000 depending on condition, mileage and specification. If you're facing a full rebuilt engine at £6,500-£9,000 plus fitting, the replacement cost may approach or exceed 60% of a lower-value F10's market value. Many owners choose to scrap their 550i rather than rebuild an engine that might fail again.
Our Recommendation
Our Recommendation
If your F10 550i's N63 engine makes a rattling noise on startup, have the timing chain inspected immediately - catching it early can save the engine. However, be aware that even with preventative work, the N63's reputation for recurring issues means replacement is often the only permanent solution. A rebuilt engine with upgraded components and warranty offers the best chance of long-term reliability.
Don't Let Engine Failure Write Off Your BMW 5 Series 550i
The BMW 550i is one of the most powerful and desirable 5 Series models ever built - a genuine V8 executive express with effortless performance. But the N62 and N63 engines have earned a notorious reputation for expensive, often catastrophic failures. Whether you're facing N63 timing chain failure, N62 valve stem seal issues, or simply planning ahead, EnginesMarket connects you with UK specialists who understand these complex V8s inside out. Every rebuilt 550i engine comes with upgraded components addressing the original failure points, a minimum 12-month warranty, and nationwide delivery options.
Compare rebuilt N63B44 BMW 5 Series 550i 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 5 Series 550i. Every engine supplied through EnginesMarket carries a minimum 12-month unlimited mileage warranty - always confirm exact terms with your chosen supplier."
BMW 5 Series 550i Engine ReplacementFrequently Asked Questions
Question 1How much does a BMW 5 Series 550i engine replacement cost in the UK-
A rebuilt engine for a BMW 550i typically costs £4,500-£9,000 supply-only depending on the generation and engine code. Used units start from £1,500, reconditioned from £3,438. Fitting adds approximately 16-22 hours of labour at specialist rates.
- **Used engine:** £1,500-£5,000 - budget option, variable condition
- **Reconditioned:** £3,438-£7,000 - bench-tested and wear parts replaced
- **Rebuilt:** £4,500-£9,000 - full strip and rebuild with warranty
Question 2What are the signs of timing chain failure in a BMW F10 550i-
The N63 engine in the F10 550i (2010-2016) is prone to timing chain guide failure. Warning signs include a rattling or whining noise from the front of the engine on startup or under acceleration.
- Rattling or whining noise from the engine front on startup
- Metallic sounds from the timing chain area
- Check engine light or timing-related fault codes
- Catastrophic failure can occur without warning
Question 3Is it worth replacing the engine in a BMW E60 550i-
The E60 550i (2005-2010) is a modern classic with a loyal following, but N62 valve stem seal failure is almost inevitable. A well-maintained E60 550i is worth £3,000-£8,000 - if the car is solid and the replacement cost (£4,500-£6,000) makes financial sense, many owners choose to invest.
- E60 550i values are supported by V8 enthusiast demand
- A rebuilt N62B48 with warranty can outlast the original
- Evaluate scrap value first if the car has significant other issues
Question 4How long does a BMW 550i engine replacement take-
A typical BMW 550i engine replacement takes 2-4 days for a specialist workshop, including removal, fitting, and testing. Supply-only delivery is usually 1-3 working days.
- Most UK specialists can complete the job within a week
- Complexity is high - N63 V8 work is labour-intensive
- Always confirm turnaround with your chosen supplier
Question 5What's the difference between the BMW 550i engines across generations-
The 550i badge has covered three main engine variants: the N62B48 4.8-litre naturally aspirated V8 with 367hp (E60/E61, 2005-2010), the N63B44O0 4.4-litre twin-turbo V8 with 407hp (F10, 2010-2013), and the N63B44T0 4.4-litre twin-turbo V8 with 445hp (F10 LCI, 2013-2016).
- **E60/E61 (2005-2010):** N62B48 - 4.8L naturally aspirated V8, 367hp
- **F10 (2010-2013):** N63B44O0 - 4.4L twin-turbo V8, 407hp
- **F10 LCI (2013-2016):** N63B44T0 - 4.4L twin-turbo V8, 445hp
Question 6What warranty comes with a BMW 550i replacement engine-
Every rebuilt or reconditioned BMW 550i engine supplied through EnginesMarket carries a minimum 12-month unlimited-mileage warranty. Some suppliers offer extended coverage on premium rebuilds.
- 12 months is the minimum - many specialists offer 24 months
- Supply-only and supply & fit both carry warranty
- Always confirm exact terms with your chosen supplier
Why Choose UsCompare BMW 5 Series 550iEngine PricesToday
500+ N62/N63 engines supplied through our network
12-Month Warranty on every rebuilt 550i engine
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Comparing BMW 5 Series 550i engine quotes is free and carries no obligation. Whether you need a used N62B48 for your E60 classic, a rebuilt N63 for your F10 daily driver, or anything in between, EnginesMarket connects you with vetted UK specialists who know the 550i V8 inside out. From the N63B44O0 to the updated N63B44T0 variants, we understand the specific challenges faced by 550i owners. Enter your registration above and get tailored quotes for your exact 550i and engine code today.
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