BMW M54 Engine for Sale | OEM Used 2.5L 3.0L | E46 320, E90, and more, M54B30 / M54B25 / M54B22 Naturally Aspirated Inline-6
$1,600.00
At a Glance
- Condition: OEM used, VANOS / CCV / cooling system inspected before shipping
- Availability: In stock, M54B22 / M54B25 / M54B30 variants available
- Shipping: Free shipping to all 50 states via freight pallet, 5 to 10 business days
- Variant confirmed (M54B22 2.2L, M54B25 2.5L, or M54B30 3.0L)
- Donor application documented (E46, E60, X3, X5, Z4)
- VANOS solenoid operation and cam phaser function verified
- Oil filter housing gasket inspected (common M54 leak point)
- CCV / PCV system inspected (critical M54 service item)
- Cooling system plastic components inspected (expansion tank, thermostat housing)
- 100% fitment verified before every order ships
- No core charge required
- Backed by a 15 day replacement warranty against internal defects
Description
About the BMW M54 Engine
Are you in search of a dependable BMW M54 engine to breathe new life into your BMW vehicle? Look no further. Our premium selection of BMW M54 engines for sale offers the perfect blend of performance, durability, and affordability. The M54 is one of the most popular BMW Inline-6 engines ever produced, and the M54B30 in particular is the most-searched and most-desired variant for E46 enthusiasts, BMW swap projects, and modern restoration builds.
The M54 Family, M54B22, M54B25, M54B30
The M54 was offered in three displacement variants across its 2000-2006 production:
| Detail | Description |
|---|---|
| M54B22 (2.2 liters) | 170 hp at 6,250 rpm and 155 lb-ft at 3,500 rpm. The entry-level NA Inline-6 used in 320i, 520i, and budget X3 / Z4 trim levels. |
| M54B25 (2.5 liters) | 192 hp at 6,000 rpm and 181 lb-ft at 3,500 rpm. The mid-range variant used in 325i, 525i, X3 2.5i, X5 3.0i (some markets), and Z4 2.5i. |
| M54B30 (3.0 liters) | 231 hp at 5,900 rpm and 222 lb-ft at 3,500 rpm. The top NA M54 variant, used in 330i, 530i, X3 3.0i, X5 3.0i, and Z4 3.0i. The M54B30 is the most popular and most-searched M54 variant for enthusiasts, swap builders, and modern restoration projects. |
The BMW Inline-6 Lineage
The M54 occupies an important position in the BMW Inline-6 family tree. Buyers researching modern BMW inline-6 options should understand the lineage:
- M54 (2000-2006, THIS LISTING): Naturally aspirated, Double VANOS, aluminum block with cast iron liners
- N52 (2006-2011): Naturally aspirated successor with magnesium / aluminum composite block, Valvetronic
- N54 (2006-2013): First turbocharged modern BMW Inline-6, twin turbos
- N55 (2009-2016): Single twin-scroll turbocharger, simplified turbo architecture
- B58 (2015-present, our vaz78 listing): Closed-deck block, forged crank, “the modern 2JZ”
The M54 is the last great BMW naturally aspirated Inline-6 before the transition to turbocharging began with the N54. For buyers seeking the classic BMW Inline-6 character without forced induction complexity, the M54 (particularly the M54B30) remains the gold standard.
Compatible BMW Models
Our BMW M54 engine is compatible with a variety of BMW models, ensuring you find the perfect match for your vehicle. Compatible models include:
- BMW 3 Series: E46 320i, 325i, 325Ci, 325xi, 325ti, 330i, 330Ci, 330xi (2000-2006)
- BMW 5 Series: E39 525i, 530i (2001-2003), E60 525i, 530i (2003-2005)
- BMW 7 Series: E66 730i, 730Li (some markets, with M54B30)
- BMW X Series: E83 X3 2.5i, 3.0i (2004-2006), E53 X5 3.0i (2003-2006)
- BMW Z Series: E85 Z4 2.5i, 3.0i (2003-2005)
Important: NOT compatible with M-Series. The BMW M3 (E46), M5 (E39, E60), and M6 use S-prefix M Division engines (S54 for E46 M3, S62 V8 for E39 M5, S85 V10 for E60 M5, S63 / S63B44 for E63 M6). The M54 is the standard “non-M” Inline-6 used in regular 3-Series, 5-Series, X-Series, Z4, and some 7-Series applications. If you have an M3, M5, or M6, you need an S-series engine, not an M54.
Why the M54 Is the Most Popular BMW Naturally Aspirated I6
When scouting for an M54 engine for sale, consider:
1. Smooth Inline-6 Power Delivery: The M54 is famous for delivering naturally aspirated linear power up to its 6,500 rpm redline with minimal vibration, the BMW Inline-6 sound everyone craves.
2. Double VANOS Variable Valve Timing: Both intake and exhaust cams have continuous variable timing, optimizing torque distribution and efficiency from idle to redline.
3. Aluminum Block With Cast Iron Liners: Lightweight construction with the durability of cast iron cylinder bores. This is the architecture that made the M54 a favorite for high-mileage BMW service.
4. Massive Aftermarket Support: Decades of M54 service experience means parts availability is excellent, swap kits are available for non-BMW chassis, and forced induction (turbo or supercharger) kits are offered by Vortech, AA, and other BMW specialists.
5. Swap Engine Popularity: The M54B30 is one of the most common BMW swap engines into older BMW chassis (E30, Z3) and into non-BMW project cars due to its compact dimensions, electronic throttle modernity, and proven reliability.
Reliability and Longevity of the BMW M54 Engine
The BMW M54 engine is renowned for its reliability and long lifespan. With proper maintenance, it is not uncommon for these engines to exceed 200,000 miles, with some examples reaching the 500,000-mile mark. The keys to long M54 life are:
- Regular oil changes with BMW Longlife-04 or Longlife-01 5W-30 / 5W-40 synthetic
- Proactive Crankcase Ventilation (CCV / PCV) service every 60,000 to 80,000 miles
- Cooling system service every 5 years (water pump, thermostat, plastic expansion tank, hoses)
- Oil filter housing gasket replacement when symptoms appear (a documented M54 leak point)
- VANOS solenoid replacement when cam timing fault codes appear
Signs You Need a Replacement M54
- VANOS faults or rough idle (VANOS solenoid wear or cam phaser internal seal degradation)
- Oil filter housing gasket leak (the most common M54 oil leak)
- Crankcase ventilation system failure (oil intake into intake manifold, smoke, oil consumption)
- Loss of compression on one or more cylinders
- Connecting rod or main bearing knock
- Cooling system failure (plastic expansion tank cracks, thermostat housing leaks)
- Excessive oil consumption beyond factory spec
- Donor BMW totaled and the engine is being moved to another chassis
- Swap project (most common reason to buy an M54 outside of replacement service)
Known M54 Issues We Inspect Before Shipping
- VANOS wear: The Double VANOS solenoid pack and seals can develop wear at high mileage. Symptoms include rough idle, fault codes, and reduced power. We inspect VANOS area before shipping.
- CCV / PCV system: The crankcase ventilation system is a documented M54 service item. Failure causes oil burning, vacuum leaks, and rough idle. We inspect CCV system condition.
- Oil filter housing gasket: A very common M54 oil leak. We inspect the gasket area for evidence of leakage.
- Cooling system plastic components: Expansion tank, thermostat housing, and plastic coolant connections can crack at high mileage. We inspect cooling system components.
- DISA valve (intake manifold actuator): Located on the intake manifold, can develop wear causing intake leak symptoms. We document DISA area condition where accessible.
Condition and Warranty
Our inventory includes used BMW M54 engines in tested condition with documented variant identification and inspection findings. Each engine is thoroughly evaluated to ensure optimal performance.
By choosing our BMW M54 engine, you are investing in a product that offers exceptional performance, reliability, and value. Browse our selection today and give your BMW the upgrade it deserves.
What Ships and What Does Not
| Item | Details |
|---|---|
| INCLUDED | Long block: aluminum block with cast iron liners, crank, rods, pistons, camshafts, aluminum cylinder head, valve train, double VANOS unit, intake manifold (typical), oil pan, valve cover. |
| NOT INCLUDED | ECU and harness (sold separately, application-specific to E46 vs E60 vs X3 vs X5 vs Z4), exhaust manifold, alternator, A/C compressor, power steering pump, water pump (typical), thermostat, motor mounts. |
| Critical Note | Service the complete cooling system at installation. Replace expansion tank, water pump, and thermostat regardless of apparent condition. Service CCV / PCV system. Replace oil filter housing gasket. These are M54-specific service items that should be addressed at installation. |
| Core Note | No core charge. You are not required to return your old engine. |
Vehicle Compatibility
The BMW M54 was used in the following non-M BMW models. Confirm your specific year and trim before ordering:
| Vehicle | Compatibility |
|---|---|
| BMW E46 3-Series | 320i (M54B22), 325i / 325Ci / 325xi / 325ti (M54B25), 330i / 330Ci / 330xi (M54B30), 2000 to 2006 |
| BMW E39 5-Series | 525i (M54B25), 530i (M54B30), 2001 to 2003 |
| BMW E60 5-Series | 525i (M54B25), 530i (M54B30), 2003 to 2005 (replaced by N52 in 2006) |
| BMW E83 X3 | 2.5i (M54B25), 3.0i (M54B30), 2004 to 2006 |
| BMW E53 X5 | 3.0i (M54B30), 2003 to 2006 |
| BMW E85 Z4 | 2.5i (M54B25), 3.0i (M54B30), 2003 to 2005 |
| BMW E66 7-Series | 730i, 730Li (M54B30, some European markets) |
Critical: NOT compatible with M3 (uses S54), M5 (uses S62 V8 or S85 V10), or M6 (uses S63 turbo V8). If you have an M-series BMW, you need an S-prefix engine, not an M54.
Inspection Workflow
Every used BMW M54 we ship goes through this process:
- Variant authenticated (M54B22 vs M54B25 vs M54B30)
- VANOS solenoid pack inspection
- CCV / PCV system condition assessed
- Oil filter housing gasket area inspected for leakage
- Cooling system plastic components (expansion tank, thermostat housing) inspected
- DISA valve area inspected on intake manifold
- Donor application documented (E46, E60, X3, X5, Z4, 7-Series)
- Approximate mileage documented when verifiable
Why Buy From Part Nests
- Variant authenticated (M54B22, M54B25, or M54B30) for ECU compatibility
- VANOS condition specifically documented (the most-discussed M54 service area)
- CCV / PCV system inspection (critical M54 service item)
- Oil filter housing gasket condition assessed
- Cooling system fragility disclosed with installation guidance
- Donor application traced (E46 vs E60 vs X3 vs X5 vs Z4)
- Free freight pallet delivery to all 50 states
- No core charge, keep your old engine
- 15 day replacement warranty on internal defects
- Call (240) 306-7051 to confirm M54 variant (M54B22, M54B25, or M54B30), donor application, and BMW Inline-6 lineage questions (M54 vs N52 vs N54 vs N55 vs B58 per vaz78 listing) before ordering
15 Day Replacement Warranty
Every used BMW M54 engine purchased through Part Nests carries a 15 day replacement warranty starting on the delivery date.
What Is Covered
- Internal defects already present when the engine arrives
- Compression failures across the inline-6 cylinders beyond what was disclosed
- VANOS solenoid failures within 15 days from installation (where VANOS was documented as functional at shipping)
- Connecting rod, lifter, or bearing failures within 15 days from installation
- Internal CCV / PCV failures within 15 days from installation
- Incorrect variant shipped (M54B22 vs M54B25 vs M54B30) due to an error on our end
What Is Not Covered
- Damage caused during installation
- Damage from operating with neglected cooling system (expansion tank, thermostat housing, water pump must be serviced proactively; M54 cooling system plastic components are known failure points)
- Damage from running with incorrect ECU calibration for the M54 variant shipped
- Damage from extended oil change intervals or non-BMW-approved oil (BMW Longlife-04 or Longlife-01 5W-30 / 5W-40 synthetic required)
- Damage from running with neglected CCV / PCV system (proactive service every 60,000 to 80,000 miles recommended)
- Oil filter housing gasket replacement (a service item, not an internal defect; recommended at install regardless of apparent condition)
- External components (ECU, harness, exhaust manifold, alternator, A/C, P/S, water pump, thermostat, motor mounts, DISA valve if separately documented) unless itemized
- Labor expenses of any kind
To start a warranty claim, reach us within 15 days of delivery at (855) 634-4447.
- Variant Authenticated: M54B22, M54B25, or M54B30 documented for ECU matching
- VANOS Solenoid Inspected: Double VANOS operation verified before shipping
- CCV / PCV System Assessed: Critical M54 service item evaluated
- Oil Filter Housing Gasket Inspected: Most common M54 oil leak point checked
- Cooling System Plastics Inspected: Expansion tank and thermostat housing condition
- 15 Day Replacement Cover: Internal defects protected from delivery onward
Additional information
| engine-configuration | Inline 6 |
|---|---|
| variants | M54B22, M54B25, M54B30 |
| displacement-options | 2.2L (M54B22), 2.5L (M54B25), 3.0L (M54B30) |
| horsepower-factory-variants | 170 to 231 hp |
| torque-factory-variants | 155 to 222 lb-ft |
| camshaft | DOHC, double VANOS |
| aspiration | Naturally Aspirated |
Three displacement variants. The M54B22 (2.2 liters, 170 hp at 6,250 rpm, 155 lb-ft at 3,500 rpm) is the entry-level NA Inline-6 used in 320i, 520i, and budget X3 / Z4 trim levels. The M54B25 (2.5 liters, 192 hp at 6,000 rpm, 181 lb-ft at 3,500 rpm) is the mid-range variant used in 325i, 525i, X3 2.5i, and Z4 2.5i. The M54B30 (3.0 liters, 231 hp at 5,900 rpm, 222 lb-ft at 3,500 rpm) is the top NA M54 variant used in 330i, 530i, X3 3.0i, X5 3.0i, and Z4 3.0i. The M54B30 is the most-searched and most-desired M54 variant for enthusiasts, swap builders, and modern restoration projects.
No, NOT compatible. The BMW M3 (E46), M5 (E39, E60), and M6 (E63) use S-prefix M Division engines, not M-prefix engines. The E46 M3 uses the S54B32 inline-6 (333 hp), the E39 M5 uses the S62B50 V8 (394 hp), the E60 M5 uses the S85B50 V10 (500 hp), and the E63 M6 uses the S85 V10 or later S63 turbo V8. The S-series engines are mechanically different (different displacements, different valvetrains, different output) and use different ECU calibrations, harnesses, and mounting. If you have an M-series BMW, you need an S-series engine, not an M54. The M54 is for non-M BMW vehicles only (regular 3-Series, 5-Series, X-Series, Z4).
The M54 was succeeded by a series of progressively more modern BMW inline-6 engines. The N52 (2006-2011) is the direct NA successor with a magnesium / aluminum composite block and Valvetronic. The N54 (2006-2013) introduced turbocharging to the modern BMW inline-6 with twin turbos. The N55 (2009-2016) simplified to a single twin-scroll turbocharger. The B58 (2015-present, our vaz78 listing) is the current closed-deck turbocharged inline-6 that has earned the modern-2JZ comparison. The M54 is the last great BMW naturally aspirated inline-6 before turbocharging became the standard, which is part of its enthusiast appeal.
BMW Variable Valve Timing system. VANOS (VAriable NOckenwellenSteuerung, German for variable camshaft control) adjusts the camshaft timing on the intake and exhaust camshafts continuously based on engine load and RPM. The M54 uses Double VANOS (on both intake and exhaust cams), providing smoother torque delivery, better fuel economy, and lower emissions across the rpm range. The VANOS solenoid pack and internal seals are documented M54 service items; high-mileage examples can develop VANOS-related rough idle and cam timing fault codes. We inspect VANOS area before shipping and disclose any concerns.
Crankcase ventilation system, a documented M54 service item. The Crankcase Ventilation (CCV, also called PCV for Positive Crankcase Ventilation) system on the M54 separates oil from crankcase blow-by gases and returns the cleaned air to the intake manifold. Failure of the CCV (typically the oil separator valve cover or associated hoses) causes oil consumption, blue smoke, rough idle, and vacuum leak symptoms. The CCV is a proactive service item recommended every 60,000 to 80,000 miles. We inspect CCV system condition on every M54 we ship and disclose findings. At engine installation, plan for CCV service if the system has not been serviced recently.
Plastic component fragility at high mileage. The M54 cooling system uses plastic components (expansion tank, thermostat housing, water pump impeller in some applications, various coolant hoses and fittings) that become brittle and crack under thermal cycling. The failure mode is typically a slow coolant leak that can become a sudden failure under load. An overheated M54 can suffer head gasket failure or warped cylinder head. Best practice at engine installation: service the complete cooling system (expansion tank, water pump, thermostat, hoses) regardless of apparent condition. The cost is approximately $400 to $600 in parts; the cost of an overheated M54 is the engine.
Yes, the M54B30 is one of the most popular BMW swap engines. Common swap targets: BMW E30 (3-Series 1982-1994, very popular M54 swap target due to chassis size and weight), BMW Z3 (1996-2002), BMW E36 (3-Series 1992-1999), and non-BMW project cars including Datsun 240Z / 260Z / 280Z, Mazda RX-7, and various custom RWD builds. The swap requires custom motor mounts, transmission adapter or BMW transmission, ECU integration (the M54 uses Siemens MS43 / MS45 ECU which has aftermarket support for standalone tuning), and custom cooling / fueling / exhaust. Specialty BMW swap shops have developed M54 swap solutions for popular chassis.
No. There is no core return required.
2 reviews for BMW M54 Engine for Sale | OEM Used 2.5L 3.0L | E46 320, E90, and more, M54B30 / M54B25 / M54B22 Naturally Aspirated Inline-6
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Brendan W. –
Got an M54B30 for a 2003 BMW 330Ci replacement. Variant correctly identified as M54B30 (the 3.0L, not the smaller M54B22 or M54B25), VANOS solenoid operation verified, CCV system inspection documented, oil filter housing gasket area assessed. Honest pre-purchase information about the cooling system proactive replacement recommendation and the predecessor lineage to the N52 (which replaced the M54 in 2006 E60).
Constance P. –
Sourced an M54B25 for a 2002 BMW 325xi replacement. Variant correctly identified as M54B25 (2.5L, not the 3.0L M54B30), Double VANOS inspection clean, DISA valve area assessed. Honest pre-purchase information about the M54 vs S54 distinction (no, this is not the right engine for an M3) and the recommended CCV / PCV service interval. Foundation for keeping the 325xi running.