Engines Market

BMW 550i SPECIALISTS

BMW 5 Series 550i Engine Replacement Compare 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.

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BMW 5 Series 550i Engine
from£3,000 to £8,500
  • Usedfrom £1,500
  • Reconditionedfrom £3,438
  • Common codesN62B48, N63B44O0, N63B44T0
BMW 5-series 550i Used Engine — N62B48BMW 5-seriesUsed Engine — N62B48BMW 5-series 550i Reconditioned Engine — N62B48BMW 5-seriesReconditioned Engine — N62B48BMW 5-series 550i Rebuilt Engine — N62B48BMW 5-seriesRebuilt Engine — N62B48

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How it works

3 Simple Steps to Finding the Right Replacement Engine

Clear information first, then the right engine and specialist for your exact vehicle.

Variant History

BMW 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
  1. 2005

    E60/E61 550i launched with N62B48 4.8-litre naturally aspirated V8, 367hp, 490Nm torque

  2. **2005-2010** - N62B48 produced across E60/E61 550i, E63/E64 650i and E70 X5 4.8i applications

  3. 2010

    F10 550i launched with N63B44O0 4.4-litre twin-turbo V8, 407hp, 600Nm

  4. 2013

    F10 LCI 550i receives updated N63B44T0 engine with improved 445hp output

  5. 2016

    F10/F11 550i production ends; replaced by G30 540i

Every engine fitted to the BMW 5 Series 550i is covered below, with UK rebuilt pricing and known failure points.

Engine Codes & Pricing

BMW 5 Series 550i Engine Codes Specifications & Replacement Cost

Find your exact engine code, specs and UK replacement cost guide.

N62B48 — 4.8L Naturally Aspirated V8 Petrol (2005-2010) engine

N62B48 — 4.8L Naturally Aspirated V8 Petrol (2005-2010)

Power Output
367hp (270kW)
Years Fitted
2005-2010 (E60/E61)

Can’t find your exact engine code?-> Get quotes for N62B48 BMW 5 Series 550i engine replacement

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Common Problems

BMW 5 Series 550i Engine Problems Repair Cost vs Replacement

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.

Common failure points and repair options

N63 Timing Chain Failure

Affected
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.

Repair options

Repair tierDealer priceSpecialist price
Preventative timing chain replacement£6,000-£8,000£3,500-£5,500
Valve stem seal replacement (N63)£4,000-£6,000£2,500-£4,000
Full Replacement - rebuilt/reconditioned engine£12,000-£18,000£6,500-£9,000
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.
-> Compare rebuilt N63B44 BMW 5 Series 550i engine prices

N62 Valve Stem Seal Failure

Affected
BMW 5 Series E60/E61 550i (N62B48, 2005-2010)
Typical failure mileage
80,000-130,000 miles
Root cause
The N62's valve stem seals harden and lose their sealing ability with age and heat. This allows oil to leak past the valve guides into the combustion chamber, causing blue smoke on startup and after idling. The CCV (crankcase ventilation) system can also fail, exacerbating oil consumption.

Repair options

Repair tierDealer priceSpecialist price
Valve stem seal replacement£4,000-£6,000£2,500-£4,500
CCV system overhaul£1,500-£2,500£800-£1,500
Full Replacement - rebuilt/reconditioned engine£8,000-£12,000£4,500-£6,000
Our recommendation
Valve stem seal failure is almost inevitable on high-mileage N62 engines. If you notice blue smoke on startup, have the seals inspected. Catching the issue early and replacing the seals with upgraded components can restore the engine to good health. However, if the oil consumption is severe or the engine has other problems, a rebuilt unit may be more cost-effective.
-> Compare rebuilt N62B48 BMW 5 Series 550i engine prices

N63 Turbocharger & HPFP Failure

Affected
BMW 5 Series F10 550i (N63B44O0 / N63B44T0, 2010-2016)
Typical failure mileage
60,000-100,000 miles
Root cause
The N63's hot-V turbocharger configuration exposes turbos to extreme heat, leading to oil coking, wastegate rattle and eventual failure. The high-pressure fuel pump can fail, dumping raw fuel into cylinders and destroying pistons and rods. Injector failure is also common.

Repair options

Repair tierDealer priceSpecialist price
Turbocharger replacement£4,000-£6,000£2,500-£4,000
HPFP & injector replacement£2,500-£4,000£1,500-£2,500
Full Replacement - rebuilt/reconditioned engine£12,000-£18,000£6,500-£9,000
Our recommendation
If you notice a loss of power, excessive exhaust smoke or a rattling noise from the turbos, have the system inspected promptly. N63 turbo and fuel system failures are well-documented. A specialist who understands the N63's unique challenges is essential. For cars with high mileage or multiple issues, a fully rebuilt engine with upgraded components and warranty offers the best value.
-> Compare rebuilt N63B44 BMW 5 Series 550i engine prices

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.

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FAQ

BMW 5 Series 550i Engine ReplacementFrequently Asked Questions

Everything BMW 5 Series 550i owners usually ask before choosing a rebuilt, reconditioned or used replacement engine.

Why Choose Us

Compare BMW 5 Series 550i Engine Prices Today

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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