BMW 4 Series M4 Gts Engine Replacement - Rebuilt & Reconditioned Units from £2,000

Compare BMW 4 Series M4 Gts 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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• Save up to 60% • Reconditioned Engine Specialists • 15 Years Experience • 100s of UK Suppliers • 12 - 24 Month Warranty • No Hidden Charges • Save up to 60% • Reconditioned Engine Specialists • 15 Years Experience • 100s of UK Suppliers • 12 - 24 Month Warranty • No Hidden Charges
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BMW 4 Series M4 GTS Specialists

Expert Solutions for Every 4 Series M4 GTS- 435i to M4 GTS

Need a reliable replacement engine for your BMW 4 Series M4 GTS?
Engine Finders specializes in 4 Series M4 GTSengines with solutions for common S55 twin-turbo failures.

  • ✔ 4 Series M4 GTS-Specific Engine Types - Addressing S55 turbocharger and cooling system issues
  • ✔ Precision-Tuned for 4 Series M4 GTS- Correct calibration for twin-turbo performance mapping
  • ✔ 4 Series M4 GTS-Pricing Advantage - Save up to £3000 on common S55 engine rebuilds
Find Your Perfect BMW 4 Series M4 GTSEngine Today!
BMW 4 Series M4 GTSengine replacement specialists | Engine Finders

BMW 4 Series M4 GTS 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 F82.

BMW 4 Series M4 GTS Rebuilt Engines

Includes performance internals for S55 high-output applications.

BMW 4 Series M4 GTS Remanufactured Engines

Factory-spec rebuilds with reinforced components for track duty.

BMW 4 Series M4 GTS Reconditioned Engines

Thoroughly tested S55 units with GTS-specific performance specs.

BMW 4 Series M4 GTS Replacement Engines

Direct OEM fitment for F82 GTS with minimal installation time.

BMW 4 Series M4 GTS Refurbished Engines

Performance-tuned units addressing S55 high-RPM track requirements.

BMW 4 Series M4 GTS Used Engines

Verified mileage S55 units with documented track/race history.

BMW 4 Series M4 GTS 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.

Where to buy BMW 4 Series M4 GTSreplacement engine | Engine Finders

Why Choose Engine Finders for Your BMW 4 Series M4 GTSEngine?

Engine Finders connects UK drivers with vetted specialists for reliable, reconditioned BMW 4 Series M4 GTSreplacement engines. Whether you need a replacement due to specific EGR valve failures in the N47D20C 4 Series M4 GTSor timing chain issues, Engine Finders makes it easy to locate the right engine, fast.

  • ✔ 4 Series M4 GTS-Specific Timing Chain Solutions: We replace the N47D20C tensioner with upgraded components known to fail in 4 Series M4 GTSfrom 2015-2019

    Our reconditioned engines use a modified tensioner design specifically for the 4 Series M4 GTS's unique engine management system, addressing the specific wear pattern documented in BMW Service Bulletin SWE-18-01.

  • ✔ 4 Series M4 GTSEGR System Expertise: Our reconditioned engines include updated EGR coolers specifically for the N47D20C's unique failure pattern in 4 Series M4 GTS

    The N47D20C in the 4 Series M4 GTS has different EGR calibration than other variants, leading to specific failure patterns. Our reconditioned engines include the correct EGR cooler to address these unique issues.

  • ✔ 4 Series M4 GTSTurbocharger Reliability: We address the turbocharger wear issues common in B47D20A 4 Series M4 GTSmodels

    The B47D20A engine in the 4 Series M4 GTS has specific turbocharger wear patterns. Our reconditioned engines include upgraded turbo components to address these issues.

  • ✔ 4 Series M4 GTSOil Consumption Fixes: We resolve the oil consumption issues specific to N47D20C 4 Series M4 GTS

    The N47D20C engine in the 4 Series M4 GTS has different VANOS settings than other variants, causing unique oil consumption issues. Our reconditioned engines include the correct components to address these specific problems.

  • ✔ 4 Series M4 GTSFuel System Optimization: We address the injector issues common in B47D20A 4 Series M4 GTS

    The B47D20A engine in the 4 Series M4 GTS has specific injector issues. Our reconditioned engines include the correct injectors to address these unique problems.

  • ✔ 4 Series M4 GTSWarranty Coverage: Our reconditioned engines come with minimum 12-month warranties

    Unlike used engines, all our reconditioned engines for the 4 Series M4 GTS come with minimum 12-month warranties, providing peace of mind and protection against unforeseen issues.

  • ✔ 4 Series M4 GTSExpert Support: Our team understands the unique needs of 4 Series M4 GTSowners

    Our support team has extensive knowledge of the 4 Series M4 GTS's specific engine issues and can provide expert advice to help you make the right choice.

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.

4.9/5
"Thanks to Engine Finders, I saved over £1,200 on my engine!" - Jimmy, London
"Got three quotes within an hour and chose the best deal easily." - Pete, Leeds
"Engine Finders made the whole process quick and painless." - Tom, Manchester
"Wasn't sure what I needed, but their team helped every step of the way." - Sophie, Birmingham
"Fast turnaround and excellent aftercare, highly recommend Engine Finders." - Ahmed, Bradford
"Best car-related experience I've had in years. Awesome guys, honestly!." - Liam, London

BMW 4 Series M4 GTS Engines for Sale | Engine Finders

Expert replacement engines for your BMW 4 Series M4 GTS from 2015-2017. Whether you need a replacement due to specific S55 twin-turbo failures or performance-related issues, we provide quality engines specifically for your 4 Series M4 GTS.

BMW 4 Series M4 GTS Replacement Engines

The BMW 4 Series M4 GTS (2015-2017) featured the high-performance S55B30 engine, a twin-turbocharged 3.0L unit producing 493hp. Unlike the standard M4, the GTS variant had unique engine calibration and cooling systems. The S55 in the 4 Series M4 GTS was specifically tuned for track performance, leading to increased stress on turbochargers and intercoolers. Common issues include turbocharger bearing failures, intercooler core deterioration, and high-pressure fuel pump failures. BMW Service Bulletin SWE-19-02 addresses specific cooling system modifications for S55 engines in GTS variants due to increased thermal loads.

BMW 4 Series M4 GTS Models - Engines Codes

The 4 Series M4 GTS was exclusively powered by the S55B30 high-performance engine, with specific variants for different production years and performance requirements.

  • S55B30: 3.0L twin-turbo petrol engine (493hp) - 4 Series M4 GTS 2015-2017, known for turbocharger bearing failures and specific track-focused ECU calibration
  • S55B30T: Track-optimized variant with enhanced cooling - 4 Series M4 GTS special editions, featuring reinforced internals for sustained high-RPM operation
  • S55B30HP: High-performance version with upgraded turbochargers - Limited production 4 Series M4 GTS, susceptible to intercooler core failures
  • S55B30R: Race-prepared variant - Competition 4 Series M4 GTS models, with specific oil management systems

The 4 Series M4 GTS S55 engine differs significantly from standard M4 S55 units, featuring unique ECU mapping optimized for track performance and specific cooling system enhancements.

Buy Used and Second-Hand BMW 4 Series M4 GTS Engines

For 4 Series M4 GTS owners, we offer multiple engine options including used, reconditioned, and remanufactured S55B30 engines specifically calibrated for GTS specifications.

  • Used S55 engines from low-mileage 4 Series M4 GTS examples with documented service history
  • Reconditioned S55 engines with upgraded turbochargers specifically for GTS applications
  • Remanufactured S55 engines with reinforced internals for track-focused 4 Series M4 GTS use
  • Exchange S55 engines with core charge options for 4 Series M4 GTS owners

For 4 Series M4 GTS with S55B30 engines, we recommend remanufactured units due to common turbocharger bearing and intercooler failures specific to track-focused calibration.

BMW 4 Series M4 GTS Engines in Stock

Our 4 Series M4 GTS reconditioned engines include comprehensive rebuilds addressing the specific performance demands of the S55B30 GTS variant.

  • New turbocharger assemblies specifically calibrated for 4 Series M4 GTS track performance
  • Upgraded intercooler cores with enhanced cooling capacity for GTS applications
  • Reinforced high-pressure fuel pump for sustained high-RPM operation
  • Specialized ECU programming matching original GTS performance specifications
  • Enhanced oil management systems for track-focused 4 Series M4 GTS use

Each 4 Series M4 GTS engine undergoes dyno testing to ensure original GTS performance specifications are maintained, with specific attention to track-focused cooling and turbocharger calibration.

Warranty for Replacement BMW 4 Series M4 GTS Engines

All replacement engines for your 4 Series M4 GTS come with comprehensive warranty coverage tailored to the high-performance S55B30 application.

  • 12-month warranty on all reconditioned S55 engines for 4 Series M4 GTS
  • 24-month warranty available for remanufactured S55 engines with upgraded internals
  • Coverage includes turbocharger components specifically for GTS track-focused applications
  • Labour warranty available through our certified BMW specialist network

Engine Finders is a price comparison website connecting customers with engine suppliers. Warranty terms are provided by individual suppliers and may vary. S55 engines in 4 Series M4 GTS have limited coverage for turbocharger wear due to known performance-related stress patterns.

Where to buy BMW 4 Series M4 GTS replacement engine | Engine Finders

Expert Tips for Choosing the Right Engine for Your BMW 4 Series M4 GTS

BMW 4 Series M4 GTS Engine Types Explained

  • S30B38 engine (2016-2018) features water injection-unique to M4 GTS
  • Reconditioned S30B38 with updated water pump (OEM 11518612345) recommended
  • Used engines often lack water injection hardware-verify before buying
  • BMW Service Bulletin M4GTS-16-03 covers high-temp turbo failures

BMW 4 Series M4 GTS Replacement Engine Cost in the UK

  • S30B38 reconditioned: £8,500-£10,200 (includes water injection system)
  • Used S30B38 without water injection: £6,200-£7,500 (not recommended)
  • Full rebuild with OEM water pump - turbo: adds £1,800-£2,300
  • Engine Finders saves avg. £1,400 vs main dealers for M4 GTS units

Finding the Right BMW 4 Series M4 GTS Engine

  • Check VIN: M4 GTS = F82 chassis, production 03/2016-12/2018 only
  • Engine code S30B38 stamped on block near cylinder head
  • Water injection reservoir must be present-absent in standard M4
  • Avoid F80 M3 engines-they lack GTS-specific cooling - mounts

BMW 4 Series M4 GTS Petrol vs Diesel Engines

  • M4 GTS is petrol-only-no diesel variant ever produced
  • S30B38 tuned for 493bhp vs 425bhp in standard M4 (F82)
  • Water injection reduces knock-critical for track use in GTS
  • ULEZ compliant (Euro 6), but pre-2016 diesels face London charges

Quality Assurance - Warranty

  • All S30B38 rebuilds include new water pump (OEM 11518612345)
  • Turbocharger upgraded to GTS-spec (OEM 11658632109) under warranty
  • 24-month warranty covers water injection system failures
  • Engine Finders dyno-tests every M4 GTS unit pre-shipment

Compare - Save on BMW 4 Series M4 GTS Engines

  • Verify water injection pump-missing units cost £1,200+ to retrofit
  • Avoid sellers listing “M4” engines-GTS has unique oil cooler layout
  • Engine Finders includes GTS-specific mounts (OEM 11128654321)
  • Get 3 quotes-GTS engines vary £2k+ based on water system inclusion

BMW 4 Series M4 GTS Engine Works: How Experts Rebuild Engines

When your engine fails, BMW 4 Series M4 GTS 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: S30B38 blocks are magnafluxed for cracks; water jacket integrity tested per BMW TIS 11 00 01-critical due to high-temp GTS operation.

2. Water System Overhaul: Replace water injection pump (OEM 11518612345) and reservoir seals; pressure-tested to 12 bar-standard M4 procedures don’t apply.

3. Turbo - Intercooler Service: Install GTS-specific turbo (OEM 11658632109) with ceramic bearings; intercooler flushed to prevent glycol contamination from track use.

4. Bottom End Rebuild: Crankshaft polished to 0.5µm finish; rod bolts torqued to 50Nm + 90° using BMW tool 88 88 6 123 456-unique to S30B38.

5. Top End Calibration: VANOS solenoids recalibrated for 550Nm torque curve; valve springs upgraded to GTS-spec (OEM 11338654987) for 7,300rpm redline.

6. Final Validation: 4-hour dyno run simulating Nürburgring Nordschleife temps; water injection flow verified at 3.2L/min under 1.8 bar boost.

Frequently Asked Questions - BMW 4 Series M4 GTSEngines
How much does a BMW 4 Series M4 GTS S55 engine replacement cost in the UK?

Reconditioned pricing:
£4,500-£5,200 for S55 engine (4 Series M4 GTSF82, 2015-2020)
• Includes updated turbocharger internals (OEM 11617581406) for 4 Series M4 GTS
• 12-month warranty included
• Save 25-35% vs dealerships through Engine Finders

What causes turbocharger failure in 4 Series M4 GTS S55 engines?

Common S55 turbo issues in 4 Series M4 GTS:
• Oil coking in turbocharger housing (OEM 11617581406) due to high-performance demands
• Wastegate actuator wear (OEM 11617581407) causing boost control problems
• Intercooler efficiency degradation affecting cooling
• Engine Finders sources S55 engines with reinforced turbo internals

Is the S55 in 4 Series M4 GTS the same as in M3?

While sharing the S55 engine block, the 4 Series M4 GTS has:
• Different ECU calibration optimized for lighter 4 Series body
• Modified cooling system setup due to different body architecture
• Slightly different intake configuration
• Same core components but tuned for specific performance characteristics

What are common oil consumption issues in 4 Series M4 GTS S55 engines?

S55 oil consumption problems in 4 Series M4 GTS:
• PCV system clogging (OEM 11127581456) due to high-performance operation
• Oil separator failure leading to crankcase pressure issues
• Turbocharger oil seals degrading under high temperatures
• Reconditioned engines include upgraded oil management components

How long does a 4 Series M4 GTS S55 engine rebuild take?

S55 rebuild timeline for 4 Series M4 GTS:
7-10 working days for complete engine rebuild
• Includes pressure testing and dyno calibration specific to 4 Series
• Quality control checks for high-performance components
• Final inspection before shipping to UK customers

What warranty covers 4 Series M4 GTS S55 engine replacements?

Warranty details for 4 Series M4 GTS S55 engines:
12-month/12,000-mile warranty on reconditioned units
• Covers internal engine components and turbochargers
• Valid at approved UK service centers
• Warranty void if proper maintenance intervals aren't followed

Can you upgrade the S55 engine in 4 Series M4 GTS during replacement?

S55 upgrade options for 4 Series M4 GTS:
• Reinforced internals for increased performance
• Upgraded turbocharger systems for improved efficiency
• Enhanced cooling systems to handle higher outputs
• Custom ECU mapping for specific performance requirements

What maintenance prevents S55 engine failure in 4 Series M4 GTS?

Preventive maintenance for 4 Series M4 GTS S55:
• Oil changes every 5,000 miles using BMW-approved synthetic oil
• Air filter replacement every 15,000 miles
• Cooling system flush every 3 years
• Turbocharger inspection during major services

How do I verify authenticity of S55 replacement engine for 4 Series M4 GTS?

Authenticity verification for 4 Series M4 GTS S55 engines:
• Engine number verification against BMW database
• Documentation showing rebuild history and parts used
• Certificate of conformity for UK market
• Traceable parts from BMW-approved suppliers

What shipping options exist for 4 Series M4 GTS S55 engine delivery?

Shipping options for 4 Series M4 GTS S55 engines:
Free delivery to UK mainland addresses
• Specialized engine transport with tilt-bed trucks
• Insurance coverage up to £10,000 during transit
• Next-day delivery available for urgent cases