BMW Z4 M Engine Replacement - Rebuilt & Reconditioned Units from £3,995
Compare BMW Z4 M 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 Z4 M Specialists
Expert Solutions for Every Z4 M - Z4 M Coupe to Z4 M Roadster
Need a reliable replacement engine for your BMW Z4 M?
Engine Finders specializes in S55B30M engines with reinforced components to solve common Z4 M timing chain and VANOS issues.
- ✔ Z4 M-Specific Engine Types - Including S55B30M with updated VANOS
- ✔ Precision-Tuned for Z4 M - Reinforced timing chain guides for durability
- ✔ Z4 M Pricing Advantage - Save up to £1,200 on common engine rebuilds
BMW Z4 M 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 E85, E89 chassis.
S55B30M engines with reinforced timing chain and VANOS components.
Fully rebuilt to factory specs including updated cooling and oil systems.
Thoroughly inspected S55 engines with resolved VANOS and timing issues.
Direct-fit engines to minimise downtime and maintain performance.
Cleaned, tested, and performance-optimised units for M enthusiasts.
Verified mileage units with history checks for cost-effective replacements.
BMW Z4 M 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 Z4 M Engine?
Engine Finders connects UK drivers with vetted specialists for reliable, reconditioned BMW Z4 M replacement engines. From the S55B30 petrol variant to track-tuned versions, whether you need a replacement due to VANOS failures or turbocharger issues, Engine Finders makes it easy to locate the right engine, fast.
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✔ Z4 M-Specific Timing Chain Solutions
We inspect and replace S55B30 timing chain tensioners, addressing F36 Z4 M wear patterns unique to 2016-2020 engines.
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✔ VANOS Unit Expertise
Engine Finders ensures S55 VANOS units are fully tested and updated, resolving unique Z4 M 2016-2020 oil pressure issues documented in BMW Service Bulletin SWE-18-02.
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✔ Turbocharger Reliability
Reconditioned turbos include inspected actuators (OEM 11658582234) and upgraded oil feed lines to prevent failures common in Z4 M S55B30 engines.
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✔ Injector System Inspection
S55B30 injectors are checked for spray pattern deviations unique to Z4 M 2016-2020, preventing misfires and rough idling.
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✔ High-Performance Cooling Solutions
We replace radiators and intercoolers specific to Z4 M S55 engines, resolving overheating under track conditions that other suppliers often miss.
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✔ Exhaust System Upgrades
Tailored exhaust manifolds and catalytic converters ensure proper flow and reduce backpressure issues unique to Z4 M 2016-2020.
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✔ Verified Warranty Coverage
Every reconditioned engine comes with 12-month UK warranty specifically covering S55 components for Z4 M owners, ensuring peace of mind.
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 Z4 M Engines for Sale | Engine Finders
Looking for a BMW Z4 M replacement engine? Whether addressing S55 engine wear or high-mileage performance issues, we provide verified engines tailored for the Z4 M.
BMW Z4 M Replacement Engines
The Z4 M (E89 chassis, 2011-2016) features the high-performance S55 inline-six engine, known for its track-ready performance. Owners commonly face valve timing wear and VANOS issues. BMW Service Bulletin SWE-20-04 addresses early oil pump concerns. Engine evolution includes the turbocharged S55B30 in later models, with reinforced pistons and revised camshaft timing.
BMW Z4 M Models & Engines Codes
Z4 M owners can select from engines optimized for track performance and reliability.
- S55B30: 3.0L Twin-Turbo inline-six; known for VANOS wear in 2011-2013 E89 Z4 M; requires reinforced oil pump replacement.
- S55B30TU: Upgraded 3.0L Twin-Turbo (2014-2016); strengthened pistons, improved timing chain guides.
- S65B40: 4.0L V8 (special edition Z4 M 2012); high-rev performance engine; camshaft and rod bearing inspections recommended.
- N54B30 (pre-M variants): 3.0L Twin-Turbo; occasionally adapted for Z4 M swaps; monitor turbocharger actuator integrity.
Each engine is thoroughly tested for Z4 M-specific oil flow, VANOS calibration, and performance metrics to match OEM specifications.
Buy Used and Second-Hand BMW Z4 M Engines
Z4 M owners can choose from used, reconditioned, rebuilt, and remanufactured engines depending on mileage and performance needs. For S55 engines, remanufactured options are recommended due to frequent VANOS and timing chain wear.
- Used: Cost-effective but requires full inspection of VANOS and turbo systems.
- Reconditioned: Components replaced to Z4 M standards including reinforced pistons.
- Rebuilt: Engines stripped and rebuilt with OEM S55 parts and upgraded guides.
- Remanufactured: Fully overhauled to match E89 Z4 M factory specifications.
All engines undergo Z4 M-specific dyno testing for performance verification.
BMW Z4 M Engines in Stock
Our Z4 M stock includes S55B30 and S65B40 engines with reconditioned components optimized for high RPM reliability.
- Timing chain guides replaced for S55
- Reinforced pistons for 2014+ S55TU models
- Camshaft and VANOS units inspected and replaced where required
- Turbo actuator calibration verified
Every Z4 M engine undergoes full compression, leak, and dyno tests to ensure performance meets factory standards.
Warranty for Replacement BMW Z4 M Engines
All replacement Z4 M engines come with a standard 12-month warranty. S55 engines have limited coverage on VANOS and timing chain components due to known wear patterns.
- 12-month warranty on all reconditioned and rebuilt components
- Performance testing included
- Optional extended coverage available for track-used engines
Engine Finders is a price comparison service; warranty details are handled through verified UK engine suppliers.
Expert Tips for Choosing the Right Engine for Your BMW Z4 M
BMW Z4 M Engine Types Explained
- S55B30: 3.0L Twin-Turbo inline-six, track-focused performance.
- S65B40: 4.0L V8 (2012 special edition), high-rev reliability tips.
- S55B30TU: Upgraded pistons, timing guides, ideal for 2014-2016 Z4 M.
- Reconditioned engines recommended for VANOS and oil pump wear.
BMW Z4 M Replacement Engine Cost in the UK
- S55B30 engines cost £3,800-£4,500 depending on mileage.
- S65B40 units range £5,500-£6,200 due to V8 components.
- Reconditioned S55B30TU engines £4,200-£4,800 with upgraded parts.
- Engine Finders can save £400-£600 via verified UK suppliers.
Finding the Right BMW Z4 M Engine
- Identify S55B30 engines via VIN codes (E89 chassis 2011-2013).
- S55B30TU engines for 2014-2016 Z4 M have reinforced pistons.
- Check F87/F89 engine mounts for correct installation fitment.
- Verify VANOS unit and oil pump history for reliable performance.
BMW Z4 M Petrol vs Diesel Engines
- All Z4 M variants are petrol, high-rev inline-six or V8 engines.
- Turbocharged S55B30 offers more torque than naturally aspirated V8.
- Petrol engines require full synthetic oil for VANOS longevity.
- Track usage increases stress on pistons and timing components.
Quality Assurance & Warranty
- Rebuilt engines undergo full dyno test for Z4 M specs.
- Timing chain tensioners replaced in S55 engines.
- 12-month warranty included on reconditioned and rebuilt engines.
- Engine Finders verifies VANOS and oil pump calibration before sale.
Compare & Save on BMW Z4 M Engines
- Check reconditioned S55B30 engines with updated VANOS kits.
- Compare multiple UK suppliers for 2014-2016 S55B30TU engines.
- Verify stock V8 S65B40 units for proper high-rev rebuild.
- Engine Finders aggregates prices to save up to £600 per unit.
BMW Z4 M Engine Works: How Experts Rebuild Engines
When your engine fails, BMW Z4 M 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.
Step 1: Full engine teardown, inspect S55B30 turbo and V8 S65 components.
Step 2: Clean and inspect cylinder head, VANOS units, and oil pump.
Step 3: Replace worn pistons, timing guides, and OEM S55 tensioner 11347585994.
Step 4: Reassemble using factory torque specs, 25Nm for head bolts.
Step 5: Dyno-test for Z4 M-specific torque and RPM curves.
Step 6: Final inspection, VANOS calibration, and oil pressure verification.