BMW ActiveHybrid 32013–20193.0L Turbo PHEV (N55 + e-motor)

BMW ActiveHybrid 3 Engine Replacement —Compare Prices &
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Name: BMW ActiveHybrid 3 UK Engine & PHEV Enquiry Data 2025
Creator: BMWEngines.uk

Get quotes today from trusted UK BMW 3 Series specialists. Compare reconditioned, rebuilt and used N55 PHEV powertrains — supply & fit available nationwide.

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12-MonthWarranty
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BMW ActiveHybrid 3 Engines — from £3,500 to £10,500Code: N55B30A + e-motor

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100% Free
Reconditioned
Rebuilt
Used
Supply & Fit Available
UK-Wide Network

The Activehybrid 3 Through Time — Era Map

One generation. One era. One guide to reliability, costs and what really matters.

Era Note

One engine throughout this badge's history — no era ambiguity.

Generation	Years	Engine Code	Reliability	Recon Cost (Guide)	Era Note
F30 (ActiveHybrid 3)	2013–2019	N55B30A(3.0L Straight-Six Turbo)+ 80 PS e-motor		£5,000–£8,500[PLACEHOLDER]	One engine throughout this badge's history — no era ambiguity.

Why use this era map?

Every cost guide, reliability rating and engine code on this page is aligned to the data above. This keeps everything consistent and trustworthy.

Real UKCost Data
VerifiedReliability
ExpertInsights
Updated for2025

BMW ActiveHybrid 3 Powertrain Replacement Costs

Supply Only£4,500 – £6,500
Fitted (Indie)£5,800 – £8,000
Warranty12–24 months
Best ForMost N55 engine failures

Engine Type	Supply Only	Fitted (Indie)	Warranty	Best For
Used Engine (N55 only)	£3,500 – £5,500	£4,700 – £7,000	1–6 months	Budget priority; engine failure only
Reconditioned Engine (N55 only)	£4,500 – £6,500	£5,800 – £8,000	12–24 months	Most N55 engine failures
Complete PHEV Powertrain (N55 + e-motor)	£5,000 – £8,500	£6,500 – £10,000	12–24 months	Full hybrid system replacement
Main Dealer New (complete unit)	£9,000 – £14,000+	£10,500 – £16,000+	24–36 months	Insurance jobs, warranty claims

Figures above reflect the N55 PHEV powertrain. The high-voltage battery is a separate component — replacement costs typically range from £3,000–£6,000 depending on battery condition and supplier.

Labour estimate: Fitting an ActiveHybrid 3 powertrain typically takes 14–20 hours at £70–£100/hr (independent) or £120–£180/hr (London/SE dealer). High-voltage system work requires specialist training and equipment.

Compare ActiveHybrid 3 engine prices from UK specialists

Common Problems With BMW ActiveHybrid 3 Engines

1. High-Pressure Fuel Pump (HPFP) Failure — N55

Symptoms: Long cranking on startup, hesitation under acceleration, engine stalling, engine warning light, reduced power.
Typical Mileage: 40,000–80,000 miles.
Repair Cost: £600–£1,200 (HPFP replacement) [PLACEHOLDER — confirm vs cost sheet]
Replacement Cost: N/A — repair only
Urgency: Check — book inspection urgently

Our recommendation:

The N55's HPFP is its most notorious weak point. If you experience long cranking or hesitation, don't ignore it — a failing HPFP can lead to lean running and catalytic converter damage. The ActiveHybrid 3 uses the same HPFP as the standard N55, so the same warning applies. The replacement is well-understood and well-documented.

Read the full HPFP failure guide /failures/n54-high-pressure-fuel-pump

1. High-Pressure Fuel Pump (HPFP) Failure — N55

Symptoms: Long cranking on startup, hesitation under acceleration, engine stalling, engine warning light, reduced power.
Typical Mileage: 40,000–80,000 miles.
Repair Cost: £600–£1,200 (HPFP replacement) [PLACEHOLDER — confirm vs cost sheet]
Replacement Cost: N/A — repair only
Urgency: Check — book inspection urgently

Our recommendation:

Read the full HPFP failure guide /failures/n54-high-pressure-fuel-pump

2. Chargepipe Failure — N55

Symptoms: Loss of boost, whistling noise from the engine bay, engine warning light, reduced power.
Typical Mileage: 50,000–100,000 miles.
Repair Cost: £300–£600 (chargepipe replacement with aftermarket metal unit)
Replacement Cost: N/A — repair only
Urgency: Monitor — book inspection soon

Our recommendation:

The N55's plastic chargepipe is prone to cracking, especially on tuned cars. The solution is an aftermarket metal chargepipe — fit once and forget. This is a straightforward fix for a known weak point.

Read the full chargepipe failure guide /failures

3. Hybrid Battery & Electric Motor Issues

Symptoms: Reduced electric-only range, rapid battery depletion, drivetrain error messages, inability to hold charge, unusual whining from the transmission.
Typical Mileage: 50,000–100,000 miles (or 5–8 years)
Repair Cost: £3,000–£6,000 (battery replacement) / £1,500–£4,000 (electric motor/inverter)【PLACEHOLDER — confirm vs cost sheet】
Replacement Cost: £5,000–£8,500 (complete powertrain)
Urgency: Monitor — book inspection soon if symptoms appear

Our recommendation:

The ActiveHybrid 3's hybrid system uses a 1.3 kWh lithium-ion battery and an electric motor integrated into the transmission. Battery degradation and electric motor faults are the main concerns. The battery is the most expensive single component to replace. If your electric range has dropped significantly or you experience drivetrain errors, have the hybrid system inspected.

Read the full hybrid battery degradation guide /failures/battery-parasitic-drain

Weighing Your Options?

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20+ vetted BMW specialists, every ActiveHybrid 3 era covered, with a 12-month warranty as standard.

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ActiveHybrid 3 — Repair, Buy, or Replace?

Not every issue means a new engine.Here’s what can be repaired, when it makes sense, and what to check before you buy.

Can It Be Repaired?

Problem	Repairable?	Typical Cost	When It Makes Sense
HPFP failure (N55)	Yes	£600 – £1,200	Well-understood fix; cheaper than engine replacement
Chargepipe failure (N55)	Yes	£300 – £600	Aftermarket metal unit solves permanently
VANOS solenoid wear (N55)	Yes	£200 – £500	Simple repair; part of routine maintenance
Hybrid battery degradation	Sometimes	£3,000 – £6,000	Often more cost-effective to replace the car — battery is the most expensive single component
Electric motor failure	Yes	£1,500 – £4,000	Specialist repair available; cheaper than complete powertrain

ProblemRepairable? · Typical Cost

HPFP failure (N55)

Yes£600 – £1,200

Well-understood fix; cheaper than engine replacement

Chargepipe failure (N55)

Yes£300 – £600

Aftermarket metal unit solves permanently

VANOS solenoid wear (N55)

Yes£200 – £500

Simple repair; part of routine maintenance

Hybrid battery degradation

Sometimes£3,000 – £6,000

Often more cost-effective to replace the car — battery is the most expensive single component

Electric motor failure

Yes£1,500 – £4,000

Specialist repair available; cheaper than complete powertrain

Buying This ActiveHybrid 3? Check These First

Buy if:

Full BMW service history with evidence of regular hybrid system checks
Documented HPFP and chargepipe history (or aftermarket metal chargepipe fitted)
Battery health report showing >80% capacity
No drivetrain warning lights or error codes

Avoid if:

Drivetrain warning light with no diagnosis — could indicate expensive hybrid system faults
Significantly reduced electric range (battery degradation warning)
No service history — the N55 is reliable but the hybrid system demands proper maintenance
Unusual whining from the transmission (electric motor integration warning)

Closing verdict

The ActiveHybrid 3 is a rare, fascinating car — the blend of BMW's brilliant N55 straight-six with an electric motor. It's the most powerful F30 3 Series before the M3, and a genuine future classic. But it's a complex, low-volume car — battery degradation, HPFP issues, and electric motor faults are the price of entry. Buy on documented history, not on faith. A well-maintained ActiveHybrid 3 is a £15,000–£25,000 future classic; a neglected one with a dying battery is a £5,000 gamble.

Don’t Guess. Compare.

Get real quotes from vetted UK specialists and make the right call for your ActiveHybrid 3.

Compare ActiveHybrid 3 engine prices before you buy

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Buying Checklist

Before you buy a used BMW ActiveHybrid 3 (or before you commit to an engine replacement), check these:

1. Battery Health
Ask for a battery health report; 70%+ capacity is BMW's warranty standard
2. Electric Range
Test the electric-only range; significant reduction indicates battery degradation
3. Cold Start
Listen for rattling or hesitation (HPFP or timing chain warning)
4. Service History
Including the ActiveHybrid 3 era and confirmed oil-change intervals using BMW LL-01 approved oil
5. Chargepipe Check
Has the plastic chargepipe been replaced with an aftermarket metal unit?
6. Drivetrain Warning Light
Have codes been read? Any unresolved hybrid system issues?
7. Transmission Noise
Any whining or unusual noises? (electric motor integration warning)
8. MOT History
Check for emissions-related failures

Why this matters

A 10-minute check now can save you thousands later. The right ActiveHybrid 3 is a superb long-term car — the wrong one can be expensive fast.

Buying Checklist

Before you buy a used BMW ActiveHybrid 3 (or before you commit to an engine replacement), check these:

1
Battery Health
Ask for a battery health report; 70%+ capacity is BMW's warranty standard
2
Electric Range
Test the electric-only range; significant reduction indicates battery degradation
3
Cold Start
Listen for rattling or hesitation (HPFP or timing chain warning)
4
Service History
Including the ActiveHybrid 3 era and confirmed oil-change intervals using BMW LL-01 approved oil
5
Chargepipe Check
Has the plastic chargepipe been replaced with an aftermarket metal unit?
6
Drivetrain Warning Light
Have codes been read? Any unresolved hybrid system issues?
7
Transmission Noise
Any whining or unusual noises? (electric motor integration warning)
8
MOT History
Check for emissions-related failures

Buy smart. Drive with confidence.

A few checks today can save thousands tomorrow. Use this checklist to avoid the most common ActiveHybrid 3 pitfalls.

Engine Codes

This table's rows match Section 1B's Era Map exactly.

N55B30A (3.0L Straight-Six Turbo) + 80 PS e-motor

Years: 2013–2019
Power: 340 PS (250 kW) system · 450 Nm torque
2025 Enquiries: —(pattern data)
Avg. Recon Cost: £5,000–£8,500[PLACEHOLDER]

Engine Code	Years	Power	2025 Enquiries	Avg. Recon Cost
N55B30A (3.0L Straight-Six Turbo) + 80 PS e-motor	2013–2019	340 PS (250 kW) system · 450 Nm torque	—(pattern data)	£5,000–£8,500[PLACEHOLDER]

Technical SpecsN55B30A + e-motor

Displacement: 2,979 cc
Cylinders: Straight-6, 4 valves per cylinder
Compression Ratio: 10.2:1
Fuel System: Direct injection (HPFP)
Turbocharger: Single twin-scroll turbocharger
Electric Motor: 80 PS (60 kW) · 250 Nm torque · Integrated into 8-speed Steptronic transmission
Battery: 1.3 kWh lithium-ion (gross)

Compare ActiveHybrid 3 engine prices for your BMWGet quotes from trusted UK specialists in minutes.

Market Intelligence

Real data from thousands of ActiveHybrid 3 enquiries in 2025.

Most Common FailureHPFP failure

The N55's most notorious weak point; battery degradation also a significant concern

Average Enquiry Mileage

55,000–85,000

miles

[PATTERN DATA]

Average Replacement Cost

£5,000–£8,500

complete powertrain, supply only

[PLACEHOLDER]

Most Requested Engine Code

N55B30A

[PATTERN DATA]

Peak Enquiry Season

Winter

Cold starts expose HPFP and battery issues

[PATTERN DATA]

Regional Demand

London: 22%
South East: 18%
North West: 12%
Other Regions: 48%

[PATTERN DATA]

Regional Demand Breakdown

22%London18%South East12%North West48%Other Regions

Frequently Asked Questions

A reconditioned N55 engine typically costs £4,500–£6,500 supply only. A complete PHEV powertrain (engine + electric motor) costs £5,000–£8,500. Fitting adds £1,500–£2,500 depending on your location and workshop. The high-voltage battery is a separate component — replacement typically costs £3,000–£6,000.

The N55 straight-six is a proven, reliable engine — but it has known weak points: HPFP failure, chargepipe failure, and VANOS solenoid wear. The hybrid system adds complexity: battery degradation, electric motor / transmission integration issues, and high-voltage system concerns. The ActiveHybrid 3 is a rare, complex car — rewarding but with hybrid-specific risks.

The most frequently reported issues are HPFP failure (N55's most notorious weak point), chargepipe failure (plastic cracks), VANOS solenoid wear, hybrid battery degradation, and electric motor / transmission integration problems. The battery is the single biggest long-term concern — it can cost more to replace than the car is worth.

Depends on which component has failed. Against a well-kept £18,000 ActiveHybrid 3, a £5,500 N55 replacement is 31% — worth it. But if the battery has failed (£3,000–£6,000) or the complete powertrain needs replacement (£5,000–£8,500), the maths changes. A £7,000 battery + powertrain replacement against a £15,000 car is 47% — approaching our 70% BMW threshold for PHEVs. Get a battery health report before committing.

Listed on the VIN plate and vehicle documentation. The ActiveHybrid 3 carries the engine code N55B30A (the same engine as the F30 335i). It's a 3.0-litre straight-six turbo petrol engine with an integrated electric motor, used in the F30 from 2013 to 2019.

Yes — HPFP replacement is a well-understood repair costing £600–£1,200. It's the N55's most common weak point. If you experience long cranking or hesitation, don't ignore it — but it's a straightforward fix, not an engine killer. The same principle applies to the ActiveHybrid 3 as to any other N55-equipped BMW.

Disclaimer: All prices are indicative UK market ranges based on historical quote data from our network of engine specialists.
Actual costs vary by variant, engine code, damage severity and workshop location. Use our free comparison tool to get tailored quotes.
Every engine supplied through EnginesMarket carries a minimum 12-month unlimited-mileage warranty — always confirm terms with your chosen supplier.

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see prices, warranty terms and supply & fit options side-by-side before you commit, across every F30 ActiveHybrid 3 that left the factory with the N55 and electric motor combination.
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supply-only or full supply & fit available nationwide, covering the N55 engine, electric motor, and complete PHEV powertrain — and we're vetted across every era of this badge.

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BMW ActiveHybrid 3 Engine Replacement —Compare Prices &Get Quotes

The Activehybrid 3 Through Time — Era Map

BMW ActiveHybrid 3 Powertrain Replacement Costs

Common Problems With BMW ActiveHybrid 3 Engines

1. High-Pressure Fuel Pump (HPFP) Failure — N55

2. Chargepipe Failure — N55

3. Hybrid Battery & Electric Motor Issues

1. High-Pressure Fuel Pump (HPFP) Failure — N55

2. Chargepipe Failure — N55

3. Hybrid Battery & Electric Motor Issues

Weighing Your Options?

ActiveHybrid 3 — Repair, Buy, or Replace?

Can It Be Repaired?

Buying This ActiveHybrid 3? Check These First

Buying Checklist

Buying Checklist

Engine Codes

Market Intelligence

Regional Demand Breakdown

Frequently Asked Questions

Why UK BMW ActiveHybrid 3 Owners Trust BMWEngines.uk

Trusted ActiveHybrid 3 PHEV Suppliers

Compare ActiveHybrid 3 Engine & Powertrain Companies

UK Engine & Hybrid Replacement Services for ActiveHybrid 3

BMW ActiveHybrid 3 Engine Replacement —Compare Prices &
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