BMW 3 Series 330e Engine ReplacementCompare Prices & Get Quotes
Get free, no-obligation quotes today from trusted UK BMW 3 Series 330e engine specialists. Compare prices on reconditioned, rebuilt and used engines for your 330e - whether it's the F30 or G20 generation plug-in hybrid.
Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers
From £2,800 to £5,500
Used from £1,200 · Reconditioned from £2,800 · Common codes: B48B20M0, B48B20M1, B48B20O1
From £1,200
Tested, bare/short engine
From £2,800
Rod bearings addressed, tested
From quote
Upgraded bearings, full teardown, revised valvetrain
Secure enquiry - no spam, no pressure. Genuine quotes only from vetted UK BMW 3 Series 330e specialists.
3 Simple Steps3 Simple Stepsto Finding the Best BMW 3 Series 330e Replacement Engineto Finding the Best BMW 3 Series 330e Replacement Engine
Most replacements completed within 3-5 days.
Variant HistoryBMW 3 Series 330e - Engine History & Specs at a Glance
The BMW 330e debuted in 2016 as the first plug-in hybrid variant of the 3 Series, part of BMW's iPerformance electrification strategy. Over two generations - the F30 (2016-2019) and G20 (2019-present) - the 330e has combined BMW's acclaimed B48 2.0-litre turbocharged four-cylinder petrol engine with an electric motor integrated into the ZF 8-speed automatic transmission. Total system power has grown from 252 hp to 292 hp, with electric-only range increasing from 22 miles to over 40 miles.
Variant HistoryBMW 3 Series 330e - Engine History & Specs at a Glance
The BMW 330e debuted in 2016 as the first plug-in hybrid variant of the 3 Series, part of BMW's iPerformance electrification strategy. Over two generations - the F30 (2016-2019) and G20 (2019-present) - the 330e has combined BMW's acclaimed B48 2.0-litre turbocharged four-cylinder petrol engine with an electric motor integrated into the ZF 8-speed automatic transmission. Total system power has grown from 252 hp to 292 hp, with electric-only range increasing from 22 miles to over 40 miles.
BMW 3 Series 330e
Fuel TypePetrol/Plug-in Hybrid (PHEV)
Engine Size2.0L (1,998cc)
Power Output Range252-292 hp combinedEngine History Timeline
B48B20M0 2.0L turbocharged four-cylinder petrol with 80kW electric motor, 252 hp combined (F30 330e iPerformance)
B48B20M1 2.0L turbocharged four-cylinder petrol, XtraBoost function (41 hp extra for 10 seconds), 292 hp combined (G20 330e)
B48B20O1 revised engine variant with larger 12kWh battery, 292 hp combined, improved electric range (G20 LCI)
Key Specs Snapshot
Fuel TypePetrol/Plug-in Hybrid (PHEV)Engine Size2.0L (1,998cc)Power Output Range252-292 hp combinedYears Produced2016-presentEvery engine fitted to the BMW 3 Series 330e is covered below, with UK rebuilt pricing and known failure points.
BMW 3 Series 330e Engine Codes - Specifications & Replacement CostBMW 3 Series 330e Engine Codes - Specifications & Replacement Cost
2.0L Petrol PHEV (2016-2019)
Power Output252 hp (combined)Years Fitted2016-2019
Compatible Trim Levels
- 330e
- 330e SE
- 330e M Sport
- 330e Luxury
Find your exact engine code, specs and UK replacement cost guide.
Used
Tested, ready-to-fit engine
£1,200-£2,500
Reconditioned
Addressed known issues, tested
£2,500-£4,200
Rebuilt
Full teardown, upgraded internals
£3,500-£5,500
Common Failure
Timing chain tensioner wear on early B48 units, VANOS solenoid issues, and oil filter housing leaks. The hybrid system's 12V battery weakness can trigger drivetrain fault codes.
The BMW 330e is powered by the B48 2.0-litre turbocharged four-cylinder petrol engine - the same engine used across BMW's modular family. While the B48 is significantly more reliable than its N20 predecessor, it has well-documented weaknesses including cooling system leaks, oil filter housing failures, and VANOS solenoid issues. The hybrid system adds complexity, with the 12V battery being a common source of drivetrain fault codes. Rebuilt units supplied through our network include upgraded components addressing the original failure points, plus a minimum 12-month unlimited-mileage warranty.
Why the BMW 3 Series 330e B48 Loses Coolant
Affected Vehicles
BMW 3 Series 330e (B48B20M0 2016-2019, B48B20M1 2019-2020, B48B20O1 2020-present)
Typical Failure Mileage
50,000-100,000
Root Cause
The B48 engine uses plastic components in the cooling system - water pump, thermostat housing and coolant lines - which become brittle with age and heat cycles. The oil filter housing is also prone to cracking, causing both coolant and oil leaks.
Why It Happens
The B48 engine uses plastic components in the cooling system - water pump, thermostat housing and coolant lines - which become brittle with age and heat cycles. The oil filter housing is also prone to cracking, causing both coolant and oil leaks.
Dealer (parts + labour)
£800-£1,400
Specialist (parts + labour)
£500-£900
What it involves
Replace water pump, thermostat, coolant
Suitability
Cost-effective if caught early; prevents overheating
1 - 2 daysDealer (parts + labour)
£700-£1,200
Specialist (parts + labour)
£450-£800
What it involves
Replace housing, gaskets, flush fluids
Suitability
Essential if coolant/oil mixing detected
1 - 2 daysDealer (parts + labour)
£8,000-£14,000
Specialist (parts + labour)
£4,500-£6,500
What it involves
Supply & fit, upgraded components, 12-month warranty
Suitability
When overheating has caused head gasket or block damage
1 - 2 daysAll prices are indicative UK market ranges based on current UK specialist supplier data.| Repair Tier | Dealer (Parts + Labour) | Specialist (Parts + Labour) | What It Involves | Suitability | Estimated Time |
|---|---|---|---|---|---|
 Water pump & thermostat replacement Minor | £800-£1,400 | £500-£900 | Replace water pump, thermostat, coolant | Cost-effective if caught early; prevents overheating | 1 - 2 days |
 Oil filter housing replacement Best Value | £700-£1,200 | £450-£800 | Replace housing, gaskets, flush fluids | Essential if coolant/oil mixing detected | 1 - 2 days |
Full Replacement - rebuilt/reconditioned engine Best Value | £8,000-£14,000 | £4,500-£6,500 | Supply & fit, upgraded components, 12-month warranty | When overheating has caused head gasket or block damage | 1 - 2 days |
Vehicle Value Check
Vehicle Value Check
A typical BMW 3 Series 330e is worth £18,000-£45,000 depending on generation, condition and mileage. For high-value modern examples, a rebuilt engine at £4,500-£6,500 is well within the vehicle's value. For older F30 examples, assess the car's overall condition carefully before committing.
Our Recommendation
Our Recommendation
Preventative cooling system maintenance is essential for any 330e owner. Replacing the water pump and thermostat proactively at 60,000-80,000 miles costs £500-£900 at a specialist - far less than the £4,500-£6,500 for a full engine replacement after an overheating event. Regular coolant level checks and using BMW-approved coolant can help extend component life.
Don't Let Engine Failure Write Off Your BMW 3 Series 330e
Whether you're dealing with coolant leaks, VANOS solenoid failure, or drivetrain fault codes, EnginesMarket connects you with vetted UK specialists who understand the B48 engine and 330e hybrid system. Every rebuilt engine carries a minimum 12-month unlimited-mileage warranty, and we offer both supply-only and fully fitted options with nationwide delivery. Compare prices today - it's free, and there's no obligation.
Compare rebuilt B48B20O1 BMW 3 Series 330e engine prices
12-Month Minimum
UK Specialists Vetted
Best Price GuidanceImportant Information
Important Information
"All prices are indicative UK market ranges based on historical quote data and repair requests from our network of engine specialists. Dealer pricing is estimated based on published main dealer labour rates and genuine OEM parts pricing. Specialist pricing reflects actual quote data from EnginesMarket's UK network. Actual costs vary depending on damage severity, vehicle condition, variant, and workshop location within the UK. Use our free comparison tool to get tailored quotes for your specific BMW 3 Series 330e. Every engine supplied through EnginesMarket carries a minimum 12-month unlimited mileage warranty - always confirm exact terms with your chosen supplier."
BMW 3 Series 330e Engine ReplacementFrequently Asked Questions
Question 1How much does a BMW 3 Series 330e engine replacement cost-
A replacement engine for a BMW 330e costs £1,200-£6,500 depending on condition and generation. Used B48 engines start from £1,200, reconditioned units range from £2,500-£5,000, and fully rebuilt engines with warranty cost £3,500-£6,500. Fitting adds £800-£1,500 due to the hybrid system complexity.
- Used engines are the cheapest but come with limited warranty
- Reconditioned engines are stripped and have worn parts replaced
- Rebuilt engines are fully machined and assembled to factory specification with a 12-month warranty
Question 2What are the signs of engine problems in a BMW 330e-
Common symptoms include coolant loss without visible leaks, oil filter housing leaks (oil or coolant on the driveway), VANOS-related hesitation on acceleration, cold-start rattle (timing chain tensioner), and drivetrain fault codes (often caused by a weak 12V battery).
- Coolant leaks from the water pump or thermostat are most common
- Oil filter housing cracks cause oil/coolant mixing
- Drivetrain warnings often clear with a new 12V battery
Question 3Is it worth replacing the engine in a BMW 3 Series 330e-
That depends on the generation and condition of the car. A typical 330e is worth £18,000-£45,000 depending on age and mileage. A rebuilt engine at £3,500-£6,500 is well within the vehicle's value for modern G20 examples. For older F30 examples (2016-2019), assess the car's overall condition and battery health before committing.
- Modern G20 330es have strong retained value - replacement is often justified
- F30 330es with high mileage may be borderline
- Always compare quotes before making a decision
Question 4How long does a BMW 3 Series 330e engine replacement take-
A typical engine replacement takes 3-5 days for a specialist due to the hybrid system complexity - including removal of the old unit, HV system isolation, fitting the replacement, and testing. Some suppliers offer delivery on used engines, but fitting always requires workshop time.
- Supply-only: 1-3 days for delivery
- Supply & fit: 3-5 days at the workshop
- Hybrid system requires specialist equipment and training
Question 5What's the difference between the B48B20M0, B48B20M1 and B48B20O1 engines in the 330e-
The B48B20M0 (2016-2019) produces 252 hp combined and was fitted to the F30 330e. The B48B20M1 (2019-2020) introduced XtraBoost, taking total output to 292 hp. The B48B20O1 (2020-present) maintains 292 hp but features revised engine management and a larger 12kWh battery for improved electric range.
- M0: 252 hp, F30 generation
- M1: 292 hp with XtraBoost, early G20
- O1: 292 hp with larger battery, G20 LCI
Question 6Does a rebuilt BMW 330e engine come with a warranty-
Yes - every rebuilt engine supplied through EnginesMarket carries a minimum 12-month unlimited-mileage warranty. This covers manufacturing defects and component failure, giving you peace of mind. Always confirm exact warranty terms with your chosen supplier before purchase.
- 12-month warranty is standard across our network
- Unlimited mileage on most policies
- Supply & fit options include warranty on labour as well
Why Choose UsCompare BMW 3 Series 330eEngine PricesToday
200+ 330e engines supplied through our network
12-Month Warranty on every rebuilt 330e engine
Nationwide UK delivery
supply & fit available
Comparing quotes for your BMW 3 Series 330e is free, fast and carries no obligation. Whether you need a used B48B20M0 for an F30, a reconditioned B48B20M1 or a fully rebuilt B48B20O1 with warranty, EnginesMarket connects you with vetted UK specialists who understand the B48 engine and 330e hybrid system. Enter your registration above and get real prices today.
Enter your registration
and get matched with verified BMW 3 Series 330e specialists.