Park Ward V12 Petrol Engines
from £15,000 to £25,000
Rebuilt units from £15,000 · Common codes: M73B54, M73TU, M73B54TU
Get specialist quotes from UK Rolls Royce Park Ward engine experts. Compare reconditioned & rebuilt M73 TUB54 V12 engines. Get specialist quotes for your Park Ward.
Park Ward V12 Petrol Engines
from £15,000 to £25,000
Rebuilt units from £15,000 · Common codes: M73B54, M73TU, M73B54TU
M73 Short Block Units
from £8,500 to £14,000
Rebuilt units from £8,500 · Common codes: M73B54, M73TU
M73 Long Block Complete Units
from £18,000 to £28,000
Rebuilt units from £18,000 · Common codes: M73B54, M73B54TU

Most replacements completed within 3-5 days.


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Not sure which variant your Rolls Royce Park Ward is- Enter your registration number above - we'll identify the exact sub-model, engine code and compatible replacement options instantly.

Every engine code fitted to the Rolls Royce Park Ward across its 2000-2002 production run, with technical specs, compatible variants, known failure points, and average rebuilt prices from UK specialists. Select any engine code to compare quotes.
Extracted from detailed petrol and performance engine families across Rolls Royce Park Ward variants.

M73B54 - 5.4L Petrol
Main replacement demand comes from timing-chain, cooling-system and performance thermal-management faults.
Compatible variants
Avg. rebuilt price
£15,000 - £25,000
Supply only
Technical specifications
Common failures
Not sure which engine code?
Can't find your engine code- Enter your registration number above - we'll instantly identify the exact unit, its technical specifications, and live replacement prices from UK Rolls Royce Park Ward engine specialists. Every rebuilt engine comes with a minimum 12-month unlimited mileage warranty.

The Rolls Royce Park Ward (2000-2002) relies exclusively on the BMW-sourced M73B54 5.4L V12 petrol engine. While refined and powerful, this complex unit can develop specific issues at higher mileage. Every rebuilt M73 engine supplied through EngineMarket includes upgraded internal components designed to address original failure points - plus a minimum...
Intake Manifold Gasket Failure
Most affected vehicles
Rolls Royce Park Ward 2000-2002, Silver Seraph Park Ward LWB (M73B54, M73TU, M73B54TU)
Failure mileage range
90,000-130,000 miles
Typical failure window
Root cause
Rubber intake manifold gaskets harden and crack with age/heat cycles, allowing unmetered air into the plenum causing lean codes and rough idle. [[4]]
Repair options & estimated costs (UK ranges)
| Repair tier | Dealer price | Specialist price | What it involves | Longevity / suitability |
|---|---|---|---|---|
| Minor - Gasket Replacement Only | £2,800 - £4,200 | £1,600 - £2,400 | Remove intake plenum, replace all manifold gaskets, reset adaptations | 40-60k miles if other components sound; preventative only |
| Intermediate - Gaskets + Vacuum Lines | £3,900 - £5,800 | £2,200 - £3,400 | Gasket replacement plus all brittle vacuum hoses and check valves renewed | 60-90k miles; addresses secondary failure points |
| Full Replacement - Rebuilt M73 Engine | £28,000 - £42,000 | £15,000 - £25,000 | Supply & fit of rebuilt M73 with upgraded gaskets, bench-tested, 12-month warranty | 100k+ miles; resolves root cause and ancillary wear |
Our recommendation
On a Park Ward valued £40,000-£80,000, if the engine is otherwise healthy below 120k miles, gasket replacement by a specialist offers best value. Beyond 150k miles or with additional symptoms, a rebuilt unit prevents cascading failures.
Compare rebuilt M73B54 engine prices for your Rolls Royce Park Ward
Every M73B54 V12 engine type for the Rolls Royce Park Ward is available through our UK network with typical price ranges based on condition, mileage and budget.
Compare Rolls Royce Park Ward engine prices with vetted UK suppliers
All engine types include a minimum 12-month unlimited mileage warranty when sourced through EngineMarket. Prices are typical UK market ranges based on historical quote data from our network and depend on exact engine code, variant, mileage and supplier. Use our free comparison tool above - enter your registration to get tailored quotes for your specific Rolls Royce Park Ward within hours.

Every displacement fitted to the Rolls Royce Park Ward (2000-2002) is listed below with compatible engine codes, production years and common failure notes for accurate replacement identification.
The 5.4-litre M73B54 V12 was the sole engine offered in the Rolls Royce Park Ward across its entire 2000-2002 production run. This naturally aspirated BMW-sourced unit delivered 326hp with exceptional refinement, forming the backbone of Park Ward's grand touring character. [[1]][[4]]
Engine Code(s)
M73B54, M73TU, M73B54TU
Compatible Models (UK)
Park Ward 2000, Park Ward 2001, Park Ward 2002, Silver Seraph Park Ward LWB 2000-2002
Power output
Verified by registration
Common Failure Points
Intake manifold gasket leaks, timing chain stretch beyond 200k miles, oil consumption from seal wear [[4]]
Production Years: Check by registration
Compare Rolls Royce Park Ward 5.4L petrol engine prices
Choose your Rolls Royce Park Ward engine by fuel type to compare realistic replacement prices, known issues, and compatible UK supply options - from the 2000 launch M73B54 to the final 2002 M73B54TU specification.
The Park Ward exclusively used the BMW-sourced M73B54 5.4L naturally aspirated V12 petrol engine across all 2000-2002 model years, delivering 326hp with signature Rolls Royce refinement. [[1]][[4]]
Common Rolls Royce Park Ward Petrol Engine Families
Found In
Known For
Typical Petrol Models
The Park Ward exclusively used the BMW-sourced M73B54 5.4L naturally aspirated V12 petrol engine across all 2000-2002 model years, delivering 326hp with signature Rolls Royce refinement. [[1]][[4]]
Common Rolls Royce Park Ward Petrol Engine Families
Found In
Known For
Typical Petrol Models
Not sure which fuel type your Rolls Royce Park Ward has- Enter your registration number above to instantly identify your engine code, fuel system and compatible replacement options - all backed by a minimum 12-month unlimited mileage warranty from UK Rolls Royce Park Ward specialists.

This section covers all major engine specifications across the Rolls Royce Park Ward's 2000-2002 production timeline, organised so owners can quickly identify their M73B54 variant and compare rebuilt engine prices from UK specialists.
⚙Key Changes
▣Main Engines
M73B54- 5.4L petrol V12 (326hp) - all Park Ward 2000 examples
▰Popular Models
🔧Known For
Engine Codes Covered:
M73B54