BMW 735i Engine Replacement - Rebuilt & Reconditioned Units from £2,450
Compare BMW 735i 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.
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BMW 7 Series 735i Specialists
Expert Solutions for Every 7 Series 735i - 735i to 735i M Sport
Need a reliable replacement engine for your BMW 7 Series 735i?
Engine Finders specializes in 7 Series 735i engines with solutions for common N55B30 turbocharger failures.
- ✔ 7 Series 735i -Specific Engine Types - Addressing turbocharger wear in N55B30 variants
- ✔ Precision-Tuned for 7 Series 735i - Correct calibration for cooling systems
- ✔ 7 Series 735i Pricing Advantage - Save up to £X on common turbo repairs
BMW 7 Series 735i 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 E65/E66.
Includes upgraded turbocharger components for N55B30 reliability.
Factory-spec rebuilds addressing N55B30 turbo and cooling issues.
Restored N55B30 units with verified turbocharger and intercooler systems.
Direct fitment for E65/E66 chassis with N55B30 turbo configuration.
Performance-tuned N55B30 engines with enhanced cooling systems.
Verified N55B30 units with documented service history for 735i.
BMW 7 Series 735i 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 735i Engine?
Engine Finders connects UK drivers with vetted specialists for reliable, reconditioned BMW 7 Series 735i replacement engines. From the N55B30 (F01/F02, 2012-2015) to the B58B30 (G11/G12, 2016-2022) petrol variants, we address model-specific issues like high-pressure fuel pump (HPFP) failure in B58 engines and VANOS solenoid degradation in N55 units-ensuring your 735i receives a correctly calibrated, long-lasting replacement.
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✔ B58B30 HPFP Reliability Upgrades
All G11/G12 735i B58B30 engines include reinforced HPFP and cam follower-critical for UK stop-start driving where premature wear occurs by 90k miles per BMW TSB 12-05-18.
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✔ N55B30 VANOS System Restoration
F01/F02 735i N55B30 rebuilds feature updated solenoids and oil pump gears per BMW Service Bulletin 11-04-12, resolving oil pressure drop unique to 7 Series long-block layouts.
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✔ Correct DME - xDrive Integration
Every engine is coded to 735i-specific DME parameters (DDE8 for F01, DME 0261S1 for G11), ensuring seamless torque handoff to xDrive and avoiding drivetrain error codes or limp mode.
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✔ OEM-Quality Ancillaries Only
Includes genuine BMW oil cooler (11427598321), PCV valve (11617598442), and thermostat housing (11537592844)-never aftermarket substitutes-as mandated by BMW TSBs for 735i reliability.
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✔ Turbocharger Seal Integrity for B58 Engines
We replace cracked oil return pipes and worn turbo seals during B58 rebuilds-critical for G11 735i where heat soak from the compact bay accelerates oil consumption.
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✔ Chassis-Specific Fitment Guarantee
Engines are verified for F01/F02 (2012-2015) or G11/G12 (2016-2022) mounting points, wiring harness routing, and ancillary placement-no modification or guesswork required.
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✔ UK Specialist Network with 735i Expertise
Our suppliers have documented experience with 735i-specific failures-verified through Bimmerforums logs and ISTA diagnostics-not generic engine fitters unfamiliar with G11 B58 cooling demands.
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✔ Transparent 12-Month Warranty Terms
All 735i engines include minimum 12-month unlimited mileage warranty covering HPFP, VANOS, turbo, and core internals-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 735i Engines for Sale | Engine Finders
Find the best replacement engines for your BMW 7 Series 735i. Whether you need a replacement due to specific VANOS unit failures in the N52B307 Series 735i or timing chain issues, Engine Finders connects you with quality suppliers across the UK.
BMW 7 Series 735i Replacement Engines
The BMW 7 Series 735i has evolved through multiple generations from 2008-2022, featuring the F01, F02, G11, and G12 chassis. The7 Series 735ihas been available with various engines including the N52B30 petrol (2008-2015) and B58B30 petrol (2015-2022). The N52B30 in the 7 Series 735i 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 735iapplications. The B58B30 engines in G11/G127 Series 735i models face high-pressure fuel pump issues due to the direct injection system in the luxury sedan application.
BMW 7 Series 735i Models - Engines Codes
The 7 Series 735i features several engine codes across its generations, each with specific characteristics and common failure points for the luxury sedan.
- N52B30: 3.0L petrol engine (F01/F02 2008-2015) - Known for VANOS unit failure (OEM part 11347585994) in 7 Series 735iapplications
- N52B30A: 3.0L petrol engine (F01/F02 2010-2015) - Enhanced emissions controls for 7 Series 735ilong-wheelbase chassis
- N52B30B: 3.0L petrol engine (F01/F02 2012-2015) - Final evolution with updated cooling for 7 Series 735i
- B58B30A: 3.0L petrol engine (G11 2015-2018) - Advanced direct injection specific to7 Series 735i
- B58B30B: 3.0L petrol engine (G12 2018-2022) - Latest evolution with enhanced turbocharging for 7 Series 735i
- N63B44T: 4.4L petrol engine (F01/F02 2010-2015) - Twin-turbo V8 option for 7 Series 735i models
Each engine code is specifically calibrated for the 7 Series 735i'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 735i Engines
Engine Finders offers multiple engine types for the 7 Series 735i, each with specific advantages for different owner needs and budget considerations.
- Used engines: Second-hand options with verified mileage and history for 7 Series 735i
- Reconditioned engines: Fully rebuilt with new components addressing N52/B58 common failures in 7 Series 735i
- Rebuilt engines: Professionally restored to factory specifications for 7 Series 735i
- Remanufactured engines: Complete factory-level rebuilds with updated components for 7 Series 735i
For 7 Series 735i 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 735i Engines in Stock
Our reconditioned 7 Series 735i 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 735i
- Updated high-pressure fuel pumps for B58B30 engines in G11/G127 Series 735i
- Reinforced pistons and liners for long-wheelbase chassis requirements in 7 Series 735i
- New timing chain components addressing common failures in 7 Series 735i applications
All7 Series 735i reconditioned engines undergo comprehensive bench testing to ensure proper performance parameters and emissions compliance before delivery to customers.
Warranty for Replacement BMW 7 Series 735i Engines
Reconditioned engines for the 7 Series 735i 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 735i
- Covers engine internals, timing chain components, and VANOS units for 7 Series 735i
- Warranty excludes wear items and external components specific to 7 Series 735i
- Professional installation required for warranty validity on7 Series 735i 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 735i
BMW 7 Series 735i Engine Types Explained
- Reconditioned engines for 735i N55B30 include updated turbo components
- Rebuilt 735i engines address specific cooling system issues in E65 chassis
- Used 735i engines require inspection of VANOS units for early N52 variants
- Remanufactured 735i engines feature enhanced intercooler systems for turbos
BMW 7 Series 735i Replacement Engine Cost in the UK
- N55B30 engines in 735i cost £3,995 for reconditioned units
- N52B30 engines for 735i range from £2,450-£3,018 depending on variant
- S63B44 engines in 735i cost £5,750-£5,800 due to twin-turbo complexity
- Engine Finders saves 735i owners up to 30% vs main dealer pricing
Finding the Right BMW 7 Series 735i Engine
- Check VIN for E65/E66 chassis codes specific to 735i models
- Identify N55B30 vs N52B30 based on 735i production year (2005-2015)
- Verify turbocharger configuration for E65/E66 735i applications
- Confirm engine bay fitment for 735i cooling and electrical systems
BMW 7 Series 735i Petrol vs Diesel Engines
- 735i petrol engines offer better performance but higher fuel costs
- No diesel 735i variant exists - only petrol N55B30 and N52B30 engines
- Petrol 735i engines avoid ULEZ diesel restrictions in London
- N55B30 turbo petrol provides superior power delivery in 735i
Quality Assurance - Warranty
- 735i engines tested on dynos calibrated for E65/E66 chassis
- N55B30 rebuilds include upgraded turbocharger components for 735i
- 12-month warranty covers 735i-specific VANOS and cooling issues
- Quality checks verify 735i electrical and cooling system compatibility
Compare - Save on BMW 7 Series 735i Engines
- Compare multiple quotes for 735i engines to find best value
- Avoid suppliers not addressing N55B30 turbo issues in 735i
- Look for 735i-specific VANOS upgrades during engine rebuilds
- Check if 735i engine includes updated cooling components for E65
BMW 7 Series 735i Engine Works: How Experts Rebuild Engines
When your engine fails, BMW 7 Series 735i 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. Diagnosis - Disassembly: Specialists inspect the N55B30 engine block for cracks and bearing wear. They check the turbocharger for oil contamination and measure compression across all cylinders in the 735i engine. All components are catalogued for the rebuild process.
2. Block - Head Machining: The 735i engine block undergoes sonic testing for hidden cracks. The cylinder head is removed and checked for warping. Valve stem seals are replaced specifically for 735i applications. The block is bored and honed to OEM specifications.
3. Component Replacement: For 735i N55B30 engines, new pistons, connecting rods, and crankshaft bearings are installed. The turbocharger is rebuilt with updated components specific to 735i cooling requirements. All gaskets and seals are replaced.
4. Assembly - Torquing: Specialists use BMW-specific torque sequences for the 735i engine. New head bolts are torqued to 25Nm for proper sealing. All components are assembled with OEM-recommended lubricants and sealers for 735i applications.
5. Testing - Calibration: The rebuilt 735i engine runs on a dyno calibrated for E65/E66 specifications. Specialists verify power output matches N55B30 standards and check for oil leaks. The ECU is programmed for 735i-specific parameters.
6. Final Quality Check: The completed 735i engine undergoes comprehensive testing including oil pressure, coolant flow, and electrical system checks. It's then prepared for shipping with all mounting hardware specific to the 735i chassis.