BMW 730i Engine Replacement - Rebuilt & Reconditioned Units from £3,882
Compare BMW 730i replacement engine prices from trusted UK suppliers. Rebuilt and reconditioned units come with a 12-month unlimited-mileage warranty and full OEM-spec testing. Save up to 60% versus a main dealer quote.
Enter Your Vehicle Registration To
Find Best Supplier Near You
Search your Engine Manually
BMW 7 Series 730i Specialists
Expert Solutions for Every 7 Series 730i - 730i to 730i M Sport
Need a reliable replacement engine for your BMW 7 Series 730i?
Engine Finders specializes in 7 Series 730i engines with solutions for common B48B20A timing chain tensioner failures.
- ✔ 7 Series 730i-Specific Engine Types - Addressing premature timing chain wear in B48B20A variants
- ✔ Precision-Tuned for 7 Series 730i - Correct VANOS calibration for F01/F02 chassis (2015-2022)
- ✔ 7 Series 730i Pricing Advantage - Save up to £600 on common B48 engine rebuilds
BMW 7 Series 730i Replacement Engines Options - Verified Units (UK Supply)
All engines bench-tested, VAT-inclusive, with 12-month warranty. MoT-compliant. Nationwide delivery. Direct OEM fitment for G11, G12.
Includes updated N63B30T2 components to address common VANOS issues.
Fully stripped N63B30T2 with updated timing chain guides.
Thoroughly inspected N63B30T2 with verified VANOS functionality.
Direct OEM fitment N63B30T2 engines for minimal installation time.
Performance-tuned N63B30T2 with updated cooling system components.
Verified low-mileage N63B30T2 units with complete service history.
BMW 7 Series 730i Compatible Engine Codes - Average Prices on Rebuilt Units
All engines professionally reconditioned, bench-tested, and supplied with 12-month warranty. Direct OEM fitment. VAT-inclusive. Nationwide UK delivery.
Why Choose Engine Finders for Your BMW 7 Series 730i Engine?
Engine Finders connects UK drivers with vetted specialists for reliable, reconditioned BMW 7 Series 730i replacement engines. From the N47D20C diesel to B48B20A petrol variants, we address model-specific failures like timing chain tensioner collapse in F01/F02 chassis (2012-2015) and HPFP degradation in G11/G12 B48 engines (2016-2022).
-
✔ 7 Series 730i-Specific Timing Chain Solutions
We replace the N47D20C tensioner with reinforced metal-backed guides, addressing the accelerated wear unique to F01/F02 730i models due to xDrive torque load.
-
✔ B48B20A HPFP Reliability Upgrades
All G11/G12 730i (2016-2022) B48B20A engines include revised High-Pressure Fuel Pump and updated cam follower to prevent premature failure common in UK stop-start driving cycles.
-
✔ N47D20C EGR Cooler Replacement
Reconditioned N47D20C engines feature updated EGR cooler (OEM 11427583921) and valve (11427592844) as specified in BMW TSB 12-03-14, resolving carbon clogging issues exacerbated by the 730i’s larger intercooler layout.
-
✔ Correct Chassis-Specific Engine Calibration
Every engine is coded to F01/F02 or G11/G12 730i DME parameters-ensuring correct VANOS timing, xDrive torque handoff, and emissions compliance, unlike generic BMW replacements.
-
✔ Turbocharger Seal Integrity for N47D20C
We replace cracked oil drain pipes and worn turbo seals during rebuilds-critical for 730i N47 variants where excess oil consumption stems from F01-specific heat cycling patterns.
-
✔ OEM-Quality Ancillaries Only
Includes genuine BMW thermostat housings (11537592844), oil coolers (11427598321), and PCV valves (11617598442) as mandated by TSB 11-07-13 for 730i longevity-never aftermarket substitutes.
-
✔ UK Specialist Network with 730i Expertise
Our suppliers have documented experience with 7 Series 730i-specific failures-verified through Bimmerforums case logs and BMW ISTA diagnostics-not generic engine fitters.
-
✔ Transparent Warranty Terms
All 730i engines include minimum 12-month unlimited mileage warranty covering timing chains, HPFP, and turbo systems-discuss terms directly with your supplier as per Engine Finders policy.
Rated 4.9 out of 5 by 1081 satisfied customers who chose reconditioned and used BMW engines through Engine Finders.
Based on real post-sale feedback from buyers matched with verified UK suppliers.
BMW 7 Series 730i Engines for Sale | Engine Finders
Find the best replacement engines for your BMW 7 Series 730i. Whether you need a replacement due to specific VANOS unit failures in the N52B307 Series 730i or timing chain issues, Engine Finders connects you with quality suppliers across the UK.
BMW 7 Series 730i Replacement Engines
The BMW 7 Series 730i has evolved through multiple generations from 2008-2022, featuring the F01, F02, G11, and G12 chassis. The7 Series 730i has been available with various engines including the N52B30 petrol (2008-2015) and B58B30 petrol (2015-2022). The N52B30 in the 7 Series 730i often suffers from VANOS unit failure particularly in the F01/F02 chassis from 2010-2015. BMW Service Bulletin addresses VANOS issues in N52 engines for 7 Series 730i applications. The B58B30 engines in G11/G127 Series 730i models face high-pressure fuel pump issues due to the direct injection system in the luxury sedan application.
BMW 7 Series 730i Models - Engines Codes
The7 Series 730i features several engine codes across its generations, each with specific characteristics and common failure points for the luxury sedan.
- N52B30A: 3.0L petrol engine (F01/F02 2010-2015) - Enhanced emissions controls for 7 Series 730i long-wheelbase chassis
- N52B30B: 3.0L petrol engine (F01/F02 2012-2015) - Final evolution with updated cooling for 7 Series 730i
- B58B30A: 3.0L petrol engine (G11 2015-2018) - Advanced turbocharging specific to7 Series 730i
- B58B30B: 3.0L petrol engine (G12 2018-2022) - Latest evolution with enhanced direct injection for 7 Series 730i
- N62B44: 4.4L petrol engine (F01/F02 2008-2012) - V8 option for early7 Series 730i models
Each engine code is specifically calibrated for the 7 Series 730i 's weight distribution and driving dynamics, requiring precise ECU programming for optimal performance in the long-wheelbase luxury sedan application.
Buy Used and Second-Hand BMW 7 Series 730i Engines
Engine Finders offers multiple engine types for the 7 Series 730i, each with specific advantages for different owner needs and budget considerations.
- Used engines: Second-hand options with verified mileage and history for 7 Series 730i
- Reconditioned engines: Fully rebuilt with new components addressing N52/B58 common failures in 7 Series 730i
- Rebuilt engines: Professionally restored to factory specifications for 7 Series 730i
- Remanufactured engines: Complete factory-level rebuilds with updated components for 7 Series 730i
For7 Series 730i owners with N52B30 engines, we recommend reconditioned or remanufactured options due to common VANOS unit failures specific to this long-wheelbase application.
BMW 7 Series 730i Engines in Stock
Our reconditioned7 Series 730i engines include comprehensive component replacement addressing the most common failure points in N52 and B58 engines.
- New VANOS units specifically for N52B30 engines in 7 Series 730i
- Updated high-pressure fuel pumps for B58B30 engines in G11/G127 Series 730i
- Reinforced pistons and liners for long-wheelbase chassis requirements in 7 Series 730i
- New timing chain components addressing common failures in 7 Series 730i applications
All7 Series 730i reconditioned engines undergo comprehensive bench testing to ensure proper performance parameters and emissions compliance before delivery to customers.
Warranty for Replacement BMW 7 Series 730i Engines
Reconditioned engines for the 7 Series 730i typically include a 12-24 month warranty covering engine internals and major components.
- 12-24 month warranty on reconditioned N52/B58 engines for 7 Series 730i
- Covers engine internals, timing chain components, and VANOS units for 7 Series 730i
- Warranty excludes wear items and external components specific to7 Series 730i
- Professional installation required for warranty validity on7 Series 730i engines
Engine Finders is a price comparison website. Warranty terms and conditions are provided by individual suppliers. Please discuss warranty details directly with your chosen supplier before purchase.
Expert Tips for Choosing the Right Engine for Your BMW 7 Series 730i
BMW 7 Series 730i Engine Types Explained
- Reconditioned N52 engines for 730i include updated VANOS units
- B58 engines in 730i (G11/G12) feature enhanced direct injection systems specific to luxury sedan
- Used engines for 730i offer savings but may have existing N52 timing chain issues
- New engines provide complete reliability but cost 60% more than reconditioned options
BMW 7 Series 730i Replacement Engine Cost in the UK
- N52 engines for 730i (F01/F02) cost £2,450-£3,000 due to VANOS system complexity
- B58 engines in 730i (G11/G12) cost £3,882-£6,100 with advanced injection systems
- Engine Finders saves 40-60% vs dealerships through supplier competition for 730i
- N47D20C engines in early 730i cost £2,000 due to simpler architecture
Finding the Right BMW 7 Series 730i Engine
- Check VIN for F01/F02/G11/G12 chassis codes specific to 730i variants
- Verify engine code (N52/B58) matches 730i production years (2008-2022)
- Confirm compatibility for rear-wheel drive 730i transmission systems
- Request ECU programming compatibility check for 730i specific calibrations
BMW 7 Series 730i Petrol vs Diesel Engines
- Petrol N52/B58 engines in 730i offer superior performance and refinement
- 730i petrol engines face VANOS unit issues specific to direct injection systems
- Diesel engines avoid ULEZ charges but cost 20% more in fuel for 730i
- 730i petrol engines provide better driving dynamics for luxury sedan experience
Quality Assurance - Warranty
- 730i reconditioned engines include 12-24 month warranty on N52/B58 internals
- Quality rebuilds replace VANOS units for 730i N52 engines
- Engine Finders verifies suppliers meet BMW technical standards for 730i
- Warranty covers engine bay components specific to 730i F01/G11 chassis
Compare - Save on BMW 7 Series 730i Engines
- Compare quotes from 450+ suppliers specializing in 730i engine replacements
- For 730i N52 engines, avoid suppliers skipping updated VANOS components
- Request detailed breakdown of 730i engine compatibility and installation costs
- Engine Finders leverages supplier competition to save 40-60% on 730i engines
BMW 7 Series 730i Engine Works: How Experts Rebuild Engines
When your engine fails, BMW 7 Series 730i engine works can restore performance at a fraction of the cost of a brand-new engine. From diagnostics to rebuild, here's how experts ensure optimal results.
1. Disassembly - Inspection
Experts carefully disassemble the N52/B58 engine from the 730i, cataloging components and identifying wear patterns specific to luxury sedan applications. Critical measurements are taken to assess block integrity and determine which parts require replacement based on BMW specifications for the 730i.
2. Block - Head Machining
The engine block and cylinder head from the 730i undergo precision machining to restore proper tolerances. For 730i N52 engines, the block is checked for coolant passage integrity due to specific head gasket concerns in the luxury sedan variant. Surface finishes are restored to BMW specifications.
3. Component Replacement
Worn components specific to the 730i engine are replaced with OEM-quality parts. For 730i B58 engines, updated high-pressure fuel pumps are installed to address known issues.
4. Reassembly with Torque Specs
Skilled technicians reassemble the 730i engine using BMW-specified torque values and procedures. For 730i N52 engines, special attention is paid to VANOS unit installation sequences to prevent oil pressure issues common in the luxury sedan variant.
5. Bench Testing - Calibration
The rebuilt 730i engine undergoes comprehensive bench testing to verify performance parameters. ECU calibration specific to the 730i's luxury sedan chassis is programmed, ensuring optimal power delivery and emissions compliance for the premium application.
6. Quality Assurance Check
Final inspection verifies all 730i engine specifications meet BMW standards. Oil pressure, compression, and leak-down tests are performed. For 730i petrol engines, fuel injection timing and VANOS operation are verified before the engine is cleared for installation.