BMW N55 3.0 Twin-Power Turbo Engine
Used & Reconditioned for Sale
N55B30, 3.0T, BMW 3.0 Twin-Power Turbo, N55B30M0, N55B30O0, N55B30A
Displacement
Fuel
Production
Fits BMW 1, 2, 3, 4, 5 Series, Z4, and X3/X4/X5/X6 SUV models — also known as N55B30. Verified fitment, fixed prices, UK delivery.
Displacement
Fuel
Production
Configuration
Applications
Verified Fitment
Checked by registration
12-Month Warranty
On reconditioned units
UK Nationwide Delivery
2-4 working days
14-Day Returns
Uninstalled, full refund
Buy a N55 Engine for Your Vehicle
Our N55 engine hub covers 5 distinct application groups, each configured and priced for its specific BMW vehicle — from compact sports cars and M Performance models to SUVs. Every group has a dedicated listing page for your chassis.
N55 — Compact Sports (1/2/3 Series, Z4)
Fits E82, F20, F22, E90, F30, E89
From £2,495
Coming soonN55 — Mid/Large Cars (4/5 Series)
Fits F32 435i, F10 535i
From £2,795
Coming soonN55 — SUVs (X3/X4/X5/X6)
Fits F25, F26, E70, F15, E71
From £2,695
Coming soonN55 — High-Output M Performance
Fits M135i, M235i (N55B30M0)
From £2,995
Coming soonN55 — Replacement/Specialist (Reconditioned)
All N55 applications — premium reconditioned units
From £3,800
Coming soonFull N55 Compatibility
Use the table below to match your BMW chassis code and model year to the correct N55 application group. Each row links to its unit listing, and you can confirm fitment instantly with our registration checker.
| Model | Chassis | Variants | Years | Config. | Unit page |
|---|---|---|---|---|---|
| 1 Series | E82/E88 | 135i (N55) | 2011–2013 | Longitudinal | Coming soon |
| 1 Series | F20/F21 | M135i (N55B30O0) | 2012–2015 | Longitudinal | Coming soon |
| 2 Series | F22/F23 | M235i (N55B30M0) | 2014–2016 | Longitudinal | Coming soon |
| 3 Series | E90/E91/E92/E93 | 335i (N55B30O0) | 2010–2013 | Longitudinal | Coming soon |
| 3 Series | F30/F31/F34 | 335i / 340i (N55B30O0/A) | 2012–2016 | Longitudinal | Coming soon |
| 4 Series | F32/F33/F36 | 435i / 440i (N55) | 2013–2016 | Longitudinal | Coming soon |
| 5 Series | F10/F11 | 535i (N55B30O0) | 2010–2016 | Longitudinal | Coming soon |
| Z4 | E89 | sDrive35i (N54 early, N55 later) | 2011–2016 | Longitudinal | Coming soon |
| X3 | F25 | xDrive35i (N55B30O0) | 2011–2017 | Longitudinal | Coming soon |
| X4 | F26 | xDrive35i (N55B30O0) | 2014–2018 | Longitudinal | Coming soon |
| X5 | E70 | xDrive35i (N55B30O0) | 2010–2013 | Longitudinal | Coming soon |
| X5 | F15 | xDrive35i (N55B30O0) | 2013–2017 | Longitudinal | Coming soon |
| X6 | E71 | xDrive35i (N55) | 2010–2014 | Longitudinal | Coming soon |
Confirm your exact specification with the registration checker above.
N55 Engine Prices
Our N55 prices are grouped by vehicle application to reflect chassis-specific fitment and specification differences. Choose your group below — all prices are fixed, with no hidden fees.
| Application | Used from | Reconditioned from |
|---|---|---|
| Compact Sports (1/2/3 Series, Z4) | £2,495 | £3,800 |
| Mid/Large Cars (4/5 Series) | £2,795 | £4,000 |
| SUVs (X3/X4/X5/X6) | £2,695 | £3,900 |
| High-Output M Performance | £2,995 | £4,200 |
| Replacement/Specialist (Reconditioned) | — | £3,800 |
Prices shown are current lowest listed prices and update as stock changes. The price on each listing is the price you pay — no hidden fees at checkout.
What You Get with a N55 Engine
What You Get with a N55 Engine
What's included
Complete long-block assembly (head + block + pistons + crank + rods); Renewed timing chains, tensioners and guides (reconditioned units); Rebuilt cylinder head with new valve stem seals and lapped valves (reconditioned units); Tested-before-dispatch (compression and leak-down verified); 6-12 month warranty (standard terms apply)
Not included
- Turbocharger (reusable if sound)
- Fuel injectors and HP fuel pump
- Ancillaries (alternator, starter, A/C compressor, power steering pump)
- Fitting and installation
Used or reconditioned?
For the compact sports applications (Groups 1 and 4), used units are widely available given strong donor supply, offering good value for direct replacement. For higher-output and SUV applications (Groups 2 and 3), reconditioned units are more commonly selected due to higher vehicle values and the engine's stressed position in heavier chassis; reconditioned units from specialists are also the preferred option for complete peace of mind. The N55 is BMW's single-twin-scroll turbo 3.0-litre petrol engine, introduced as the successor to the twin-turbo N54 and used across the 1, 3, 4, 5 Series and X3/X5/X6 SUVs from 2009 to 2020. Replacement demand is driven by high-mileage wear on the timing chain guides (gearbox-end mounted), VANOS solenoid degradation, and turbocharger age — all of which are addressed as standard in prepared N55 units, eliminating the cost of engine-out rebuilds.
N55 Engine Buying FAQs
Answers to common fitment, condition, warranty and delivery questions.
A:A: The N55 was fitted to 1 Series (E82 135i, F20 M135i), 2 Series (F22 M235i), 3 Series (E90 335i, F30 335i/340i), 4 Series (F32 435i), 5 Series (F10 535i), Z4 (E89 sDrive35i), and X3/X4/X5/X6 (xDrive35i variants) from 2009 to 2020.
A:A: The N55 is commonly known as N55B30, with sub-variants N55B30O0 (early E-series), N55B30M0 (M Performance models), N55B30A (late F-series), and N55B30C. The full engine code appears on the block stamp.
A:A: For the compact sports applications (Groups 1 and 4), used units are widely available given strong donor supply, offering good value for direct replacement. For higher-output and SUV applications (Groups 2 and 3), reconditioned units are more commonly selected due to higher vehicle values and the engine's stressed position in heavier chassis; reconditioned units from specialists are also the preferred option for complete peace of mind.
A:A: Use our reg checker tool, check the V5C for engine code (N55B30 variant), and match your vehicle's chassis code against the compatibility matrix (E82, F20, F22, E90, F30, F32, F10, E89, F25, F26, E70, F15, E71). Contact us for a free compatibility check.
A:A: All N55 units include 6-12 month warranty (depending on condition and supplier), with UK nationwide palletised delivery. Every unit is tested before dispatch — compression and leak-down tested — and comes with a free compatibility check with our sales team.
Find Your N55 Engine by Registration
Enter your vehicle registration to confirm fitment instantly and see available N55 units at fixed prices. No registration? Use our chassis code checker or contact our team.