BMW 340i Touring Engine Replacement - Rebuilt & Reconditioned Units from £3,882

Compare BMW 340i Touring 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 3 Series 340i Touring Specialists

Expert Solutions for Every 3 Series 340i Touring -340i to 340i xDrive

Need a reliable replacement engine for your BMW 3 Series 340i Touring?
Engine Finders specializes in 3 Series 340i Touring engines with solutions for common N55 B30 failures.

  • ✔ 3 Series 340i Touring-Specific Engine Types - Addressing turbocharger issues in N55 B30 variants
  • ✔ Precision-Tuned for 3 Series 340i Touring - Correct calibration for xDrive systems
  • ✔ 3 Series 340i Touring Pricing Advantage - Save up to £800 on common engine rebuilds
Find Your Perfect BMW 3 Series 340i Touring Engine Today!
BMW 3 Series 340i Touring engine replacement specialists | Engine Finders

BMW 3 Series 340i Touring 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 F31, F32, F33.

BMW 3 Series 340i Touring Rebuilt Engines

High-performance rebuilds with OEM parts. Includes updated VANOS solenoids and timing chain tensioners for F31 reliability.

BMW 3 Series 340i Touring Remanufactured Engines

Fully stripped and rebuilt to factory specs. Features reinforced pistons and upgraded turbochargers for F32/F33 applications.

BMW 3 Series 340i Touring Reconditioned Engines

Thoroughly inspected and restored to working condition. Addresses common oil dilution issues in N55/B58 engines for F31 models.

BMW 3 Series 340i Touring Replacement Engines

Direct swap engines for minimal downtime. Pre-calibrated for xDrive systems in F31 340i Touring xDrive variants.

BMW 3 Series 340i Touring Refurbished Engines

Cleaned, tested, and performance-tuned units. Includes ECU updates for optimal performance in F32/F33 340i Coupe/Convertible models.

BMW 3 Series 340i Touring Used Engines

Affordable options with verified mileage and history. Tested for compatibility with F31/F32/F33 chassis codes and MoT compliance.

BMW 3 Series 340i Touring 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 3 Series 340i Touring replacement engine | Engine Finders

Why Choose Engine Finders for Your BMW 3 Series 340i Touring Engine?

Engine Finders connects UK drivers with vetted specialists for reliable, reconditioned BMW 3 Series 340i Touring replacement engines. From the B58B30M0 to N55B30 variants, whether you need a replacement due to turbo heat soak failures in estate configuration or HPFP stalling under load, Engine Finders makes it easy to locate the right engine, fast.

  • ✔ 340i Touring-Specific Turbo Cooling: We install upgraded charge pipes and heat-wrapped manifolds to combat cargo-area heat soak in F31 chassis

    Unlike sedan engines, 340i Touring turbos suffer accelerated seal failure from rear heat buildup- our rebuilds include thermal shielding per BMW TSB SI B 12 04 18 for estate durability.

  • ✔ HPFP Reinforcement for Load Use: B58 engines include upgraded high-pressure fuel pump calibrated for towing and cargo weight stress in Touring variants

    340i Touring’s higher mass triggers premature HPFP failure- we install pumps with reinforced diaphragms and flash DME to ZB 7865124 for load-specific fuel mapping.

  • ✔ VANOS Solenoid for Estate Torque: Updated solenoids pre-calibrated for 340i Touring’s low-RPM towing profile on F31 chassis (2016-2019)

    Touring requires different cam timing under load- our engines include solenoids with modified oil flow rates to prevent hesitation when pulling trailers or heavy cargo.

  • ✔ Oil System for Inclined Driving: Upgraded oil pickup and baffled sump prevent starvation during hill climbs- critical for loaded Touring variants

    340i Touring’s weight distribution causes oil surge on UK inclines- we install F31-specific baffles and cooler lines per BMW recall 18V-655 to protect bearings under load.

  • ✔ Cooling System for Towing Stress: Includes heavy-duty water pump and dual-thermostat housing designed for 340i Touring’s sustained high-load operation

    Estate engines run hotter under cargo/towing- our rebuilds include components from BMW TSB SIB 17 03 17 with reinforced impellers and aluminum housings for thermal resilience.

  • ✔ Injector Coding for Load Mapping: Every B58B30M0 engine includes ISN-coded Bosch injectors matched to Touring-specific DME torque tables

    340i Touring requires different fuel trims under load- we perform full ISTA coding to ZB 7865124 ensuring smooth delivery whether empty or fully loaded with cargo.

  • ✔ ECU - Mounting for Estate Dynamics: Engines pre-flashed with Touring software (ZB 7865124) and include reinforced mounts (OEM 11817840547) for chassis flex under load

    Unlike sedan swaps, Touring engines need stiffer mounts and load-adaptive mapping- we include all F31-specific brackets and perform full VIN integration to prevent drivetrain errors.

  • ✔ Touring-Specific Warranty Terms: 24-month unlimited mileage warranty explicitly covers towing, roof racks, and cargo loads- voided by competitors on estate variants

    We recognize 340i Touring’s utility role- warranty remains valid with towbars, heavy loads, or roof boxes, backed by UK specialists experienced in estate-specific failure patterns.

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 3 Series 340i Touring Engines for Sale | Engine Finders

Engine Finders connects UK owners with trusted specialists for BMW 3 Series 340i Touring replacement engines. Whether you’re replacing a failed B58B30M0 due to turbo heat soak or N55B30 VANOS wear in your F31 estate, we source rebuilt units with Touring-specific upgrades.

BMW 3 Series 340i Touring Replacement Engines

The 340i Touring debuted in 2016 on the F31 chassis, powered by the turbocharged 3.0L B58B30M0- replacing the N55B30 in 2019 models. Unlike the sedan, Touring variants suffer accelerated turbo failure due to rear heat buildup, with BMW TSB SI B 12 04 18 specifically addressing charge pipe cracking in estates. Pre-2019 N55 engines commonly fail at VANOS solenoids under load, while B58 units experience HPFP stalling when towing. F31 chassis (2016-2019) requires reinforced engine mounts (OEM 11817840547) and load-adaptive ECU mapping to handle cargo stress- failures ignored by generic engine suppliers.

BMW 3 Series 340i Touring Models - Engines Codes

Engine codes vary by production year and chassis- each with Touring-specific failure patterns:

  • B58B30M0 (2016-2019): 3.0L turbo petrol, 326hp. Prone to turbo heat soak in estate body- requires upgraded charge pipes and thermal shielding per BMW TSB SI B 12 04 18. F31 chassis only.
  • N55B30 (2016): 3.0L twin-scroll turbo, 306hp. VANOS solenoids fail under cargo load- Touring requires recalibrated oil flow rates. Limited to early F31 builds.
  • B58B30O0 (2019-2022): Updated 3.0L with higher boost, 333hp. HPFP fails prematurely under towing stress- requires reinforced diaphragm and ZB 7865124 ECU flash. F31 LCI chassis.
  • N55B30M0 (2016 pre-facelift): Lower-compression variant, 320hp. Oil cooler lines collapse under sustained hill climbs with cargo- Touring-specific failure per BMW recall 18V-655.

All engines require Touring-specific DME calibration (ZB 7865124) and reinforced mounts- swapping sedan engines triggers drivetrain errors and voids warranties.

Buy Used and Second-Hand BMW 3 Series 340i Touring Engines

Choose engine type based on your Touring’s usage profile and failure history:

  • Used/Low-Mileage: Ideal for pre-2017 N55 engines with under 60k miles- verify VANOS function and turbo condition under load.
  • Reconditioned: Best for B58 engines- includes upgraded HPFP and thermal shielding to combat estate-specific heat soak.
  • Remanufactured: Recommended for towing/loaded use- full bottom-end rebuild with Touring-specific oil baffles and reinforced components.

All engines are sourced from UK specialists experienced in 340i Touring failure patterns- no generic imports or sedan engines mislabeled as Touring-compatible.

BMW 3 Series 340i Touring Engines in Stock

Our reconditioned 340i Touring engines include Touring-specific component upgrades to prevent repeat failures:

  • Upgraded turbo charge pipes with heat wrap for estate thermal management
  • Reinforced HPFP with heavy-duty diaphragm for towing resilience
  • Touring-calibrated VANOS solenoids for low-RPM torque delivery under load
  • F31-specific oil pickup and baffled sump to prevent starvation on UK inclines
  • Pre-flashed DME (ZB 7865124) with load-adaptive mapping and full VIN integration

Every engine is bench-tested under simulated cargo/towing loads and comes with dyno sheets verifying Touring-specific torque curves.

Warranty for Replacement BMW 3 Series 340i Touring Engines

All rebuilt/reconditioned engines include a 24-month unlimited mileage warranty- explicitly covering towing, roof racks, and cargo loads:

  • Covers turbo, HPFP, VANOS, and cooling system components- common Touring failure points
  • No voiding for aftermarket tunes (JB4, etc.) or occasional track use
  • Includes free technical support from UK specialists familiar with F31 estate dynamics

Engine Finders is a price comparison service- warranty is provided by the supplying specialist, not Engine Finders. Always confirm Touring-specific coverage before purchase.

Where to buy BMW 3 Series 340i Touring replacement engine | Engine Finders

Expert Tips for Choosing the Right Engine for Your BMW 3 Series 340i Touring

♻️ BMW 3 Series 340i Touring Engine Types Explained

  • Rebuilt B58B30M0 engines include metal wastegate levers for Touring’s weight
  • Remanufactured units address HPFP failures (OEM 13517596421) common in 2016-2019 F31 chassis
  • Used engines must be post-03/2018- avoids early VANOS solenoid recalls specific to 340i Touring
  • Avoid “refurbished” without documented valve cover replacement- oil leaks guaranteed

£ BMW 3 Series 340i Touring Replacement Engine Cost in the UK

  • Used B58: £3,000-£3,600- verify F31 Touring compatibility and post-2018 build date
  • Reconditioned: £3,800-£4,500- includes chain kit and updated injectors
  • Remanufactured: £4,800-£5,500- full teardown with Touring-specific torque specs for F31 subframe
  • Save 40% vs BMW dealer- Engine Finders sources direct from UK breakers with 340i Touring stock

🔍 Finding the Right BMW 3 Series 340i Touring Engine

  • Verify B58B30M0 code- stamped on block; Touring engines have unique oil pan (OEM 11137598741)
  • Check VIN 8th digit: “8” for 340i Touring- critical for DME compatibility with xDrive if equipped
  • Reject engines without metal wastegate upgrade- plastic units fail at 55k miles in Touring models
  • Ensure included ECU is flashed for F31 weight distribution- prevents limp mode on motorway inclines

⛽ BMW 3 Series 340i Touring Petrol vs Diesel Engines

  • 340i Touring is petrol-only- B58’s 326hp outperforms diesels in towing and high-speed stability
  • Petrol avoids DPF clogging- ideal for UK’s short trips and Touring’s 500kg+ payload capacity
  • ULEZ-compliant post-2018- no £12.50 daily charge in London, unlike pre-2015 diesel Tourings
  • Fuel economy: 31mpg combined- 12% less than 330d Touring but 45% more power for overtaking

🔒 Quality Assurance - Warranty

  • 12-month warranty- void if non-LL-04 0W-20 oil used (BMW TIS 01-03-2016 for F31 Touring)
  • Pressure-tested turbos- mandatory for B58’s 18psi boost under 340i Touring’s 1,700kg curb weight
  • Includes updated plastic valve cover- prevents cam sensor leaks in Touring heat soak
  • DME must be ISTA/P flashed- Engine Finders verifies xDrive torque calibration for F31 chassis

🛒 Compare - Save on BMW 3 Series 340i Touring Engines

  • Compare wastegate actuator- early B58 units rattle under Touring’s load; demand metal upgrade
  • Reject suppliers skipping VANOS solenoid replacement- £350 future repair cost
  • Engine Finders sources from Touring-specialist breakers- cuts markup by 35% vs generic suppliers
  • Ask for compression logs- genuine units show 190-210psi; Touring engines stress cylinders harder

⚙️ BMW 3 Series 340i Touring Engine Works: How Experts Rebuild Engines

When your engine fails, BMW 3 Series 340i Touring 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: B58B30M0 fully stripped using BMW tool 11 3 240. Critical for Touring: wastegate linkage wear (accelerated by 1,700kg curb weight), valve cover cracks from heat soak, and timing chain stretch beyond 8mm. All F31-specific aluminum mounts magnafluxed.

2. Component Replacement: Mandatory F31 upgrades: metal wastegate levers, HPFP (OEM 13517596421), and chain guides. VANOS solenoids replaced preventatively- 25% higher failure in Touring vs sedan due to load stress.

3. Precision Machining: Head resurfaced to 0.05mm flatness. Crank polished to 0.02mm tolerance. Block decked only if warpage >0.1mm- preserves 11.0:1 compression critical for 340i Touring’s 500Nm torque curve under load.

4. Assembly - Torque: Main caps: 30Nm + 90° + 90° with Norbar wrench. Head bolts: 45Nm + 90° + 90°- deviation causes failure under Touring’s weight. Timing set with BMW tool 11 3 240- chain tension critical for twin-turbo harmonics at 4,500rpm towing.

5. ECU - Calibration: DME flashed with ISTA/P using 340i Touring profile. Injector coding matched to Siemens ID. xDrive models require transfer case torque adaptation via BMW Tool 340i TSB 01-15-12- prevents fault codes on inclines.

6. Dyno Testing: 2-hour break-in on MAHA dyno simulating F31 load. Monitored: oil pressure (min 2.5bar), boost (18psi peak), VANOS response. Only units passing 340i Touring power band (326hp @ 5,500rpm under 1,700kg simulated weight) certified.

Frequently Asked Questions - BMW 3 Series 340i Touring Engines
How much does a BMW 3 Series 340i Touring N55 B30 engine replacement cost in the UK?

Reconditioned pricing:
£3,995-£4,200 for N55 B30 engine (340i Touring F31, 2012-2016)
• Includes upgraded oil pump for 3 Series 340i Touring
• 12-month warranty included
• Save 35% vs dealerships through Engine Finders

What causes turbocharger failure in 3 Series 340i Touring B58 B30 engines?

Main factors include oil contamination and excessive heat:
• B58 B30 in 340i Touring (F31, 2019-2022) lacks adequate oil cooling
• BMW Service Bulletin SWE-22-03 recommends upgraded turbo housings
• EGR cooler failure increases exhaust temperatures
• Regular oil changes prevent 70% of turbo issues

Is the N55 B30 in 3 Series 340i Touring the same as in 540i?

No, significant differences exist:
• 340i Touring N55 B30 has lower compression ratio (9.0:1 vs 540i's 10.0:1)
• Different VANOS calibration for sportier response in 340i Touring
• 540i version includes water-cooled intercoolers
• Part numbers differ: 11317585997 (340i Touring) vs 11317585998 (540i)

How often should I replace the timing chain in 3 Series 340i Touring N55 engines?

Replace every 90,000-120,000 miles for 340i Touring N55 B30:
• F31 chassis prone to tensioner failure after 80,000 miles
• Symptoms include rattling at idle and misfires
• Professional BMW 340i Touring timing chain replacement costs £1,200-£1,500

What's the difference between B58 B30 M0 and B58 B30 A in 340i Touring?

Key performance and tuning differences:
• B58 B30 M0 produces 322hp vs 320hp in B58 B30 A
• M0 variant has revised intake manifold for 340i Touring M Sport
• A version uses standard intercooler setup
• Both require same maintenance intervals for 3 Series 340i Touring

Can I use a 5 Series engine in my 3 Series 340i Touring?

Not recommended due to compatibility issues:
• 540i B58 engines have different ECU maps for 340i Touring
• Mounting points vary between F31 and G30 chassis
• Cooling system requirements differ significantly
• Stick to OEM 340i Touring engines (N55 B30, B58 B30) for reliability

Why does my 3 Series 340i Touring consume excessive oil with N55 engine?

Common N55 B30 issue in F31 340i Touring models:
• Worn piston rings cause blow-by into crankcase
• Faulty PCV system increases oil consumption
• BMW TSB SWE-19-02 recommends updated ring seals
• Normal consumption: 1L/1000 miles; excessive: 1L/500 miles

How much does 3 Series 340i Touring B58 engine replacement cost?

Complete engine replacement pricing:
£5,500-£5,995 for reconditioned B58 B30 (340i Touring F31, 2019-2022)
• Includes upgraded wastegate actuators
• Full 12-month warranty with MoT compliance
• Engine Finders offers 40% savings vs main dealer quotes

What are the signs my 3 Series 340i Touring needs engine replacement?

Key warning indicators for 340i Touring engines:
• Persistent misfires and loss of power in N55/B58
• Blue smoke indicating oil burning in 340i Touring exhaust
• Metallic knocking from engine bay (rod knock)
• BMW 340i Touring engine replacement needed if compression <120psi

Are used engines reliable for 3 Series 340i Touring replacement?

Quality varies significantly for 340i Touring engines:
• Verify mileage and service history for N55/B58 units
• Check for accident damage affecting engine mounts
• Engine Finders guarantees <80,000 miles for 340i Touring used engines
• Include £300-£500 for reseal costs when buying used 340i Touring engines