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BMW, 3 Series Engine Petrol 2.5 323I/325I N52N/N52K E90/E93 09/06 09/13
Quality Used BMW N52 Engines for Sale in Australia
Looking for a BMW N52 engine replacement for a worn or damaged engine? AllGoodParts supplies quality used engines and can help you identify a compatible BMW N52 engine for your vehicle. Our experienced team can assist with checking the engine code, vehicle compatibility, condition, mileage and available warranty information before you purchase.
The BMW N52 is a naturally aspirated inline-six petrol engine family used across a range of BMW cars and SUVs. It is known for technologies including Double VANOS and Valvetronic, with BMW also using lightweight magnesium-aluminium construction in applications of the engine.
Our inventory includes a range of used BMW N52 engines, including N52B, N52K, N52N and N52B30 variants for selected BMW models. Every engine is professionally inspected before sale and matched to your vehicle using the VIN, engine code, model and build year to help ensure compatibility. Our experienced team can help you find the right option.
BMW N52 Engine Specifications and Features
The BMW N52 is a naturally aspirated inline-six petrol engine family developed to deliver a strong balance of performance, smooth power delivery and everyday drivability. Available in different 2.5-litre and 3.0-litre variants, the N52 features BMW technologies such as Double-VANOS and Valvetronic, which help optimize valve timing and lift according to driving conditions.
|
Specification |
BMW N52 Engine Details |
|
Engine Type |
Naturally aspirated inline 6-cylinder petrol |
|
Displacement |
2.5L or 3.0L, depending on variant |
|
Maximum Power |
Up to approximately 255 hp, depending on variant and application |
|
Maximum Torque |
Up to approximately 220 lb-ft, depending on variant |
|
Bore x Stroke |
3.0L N52: 85 mm × 88 mm |
|
Compression Ratio |
Varies by N52 variant |
|
Fuel System |
Sequential multi-port fuel injection |
|
Cooling System |
Liquid-cooled with an electric water pump |
|
Valvetrain |
DOHC, 4 valves per cylinder |
|
Variable Valve Technology |
Double-VANOS variable camshaft timing and Valvetronic variable valve lift |
|
Fuel Type |
Unleaded petrol/gasoline |
|
Engine Construction |
Magnesium-aluminium composite engine block on many N52 variants |
|
Induction |
Naturally aspirated |
|
Weight |
Approximately 161–175 kg, depending on specification/application |
However, specifications can differ between N52 variants and the BMW models in which they were fitted. When choosing a replacement N52 engine, it is important to check the exact engine variant, vehicle model, production year and compatibility before purchasing. This helps ensure the replacement BMW engine is suitable for the vehicle and avoids potential fitment issues.
Explore N52 Engine Reliability and Longevity
The BMW N52 has built a strong reputation for reliability, smooth operation and long-term durability. Its naturally aspirated inline-six design delivers consistent power without the added complexity of a turbocharger and can handle high mileage when properly serviced.
A major advantage of the N52 is its proven internal design. Most age-related concerns involve supporting components such as the electric water pump, thermostat, valve cover gasket and other seals rather than the core engine itself.
Regular oil and filter changes, cooling-system maintenance and prompt attention to leaks or warning signs can help maintain reliable performance. When buying a used N52 engine, consider its overall condition, maintenance history and compatibility rather than mileage alone. A properly inspected N52 can be a practical replacement option for compatible BMW models.
Find the Right BMW N52 Engine for Your BMW
The BMW N52 engine was used across a range of BMW cars and SUVs, including selected 1 Series, 3 Series, 5 Series, X3, X5 and Z4 models. However, the correct replacement engine can vary depending on the vehicle’s production year, engine variant, transmission and market specification. If you are looking for a used N52 engine, checking these details before ordering can help you find a suitable replacement.
|
BMW Model |
Common N52 Applications |
Fitment Consideration |
|
1 Series |
Selected E82 and E88 models |
Confirm engine variant and build year |
|
3 Series |
Selected E90, E91, E92 and E93 models |
Check engine code and vehicle specification |
|
5 Series |
Selected E60 and E61 models |
Confirm exact N52 variant and production year |
|
X3 |
Selected E83 and F25 models |
Check drivetrain and engine configuration |
|
X5 |
Selected E70 models |
Confirm N52B30 variant and market specification |
|
Z4 |
Selected E85, E86 and E89 models |
Check engine code and configuration |
Not sure which engine you need? Our experienced team can help find the right N52 replacement using your VIN number, engine code, build year, vehicle model and other relevant details. This can make it easier to find a suitable used BMW N52 engine and avoid ordering an engine that does not match your vehicle.
Common BMW N52 Engine Issues to Know
The BMW N52 is known for its reliability, but like any used engine, its condition can vary depending on mileage, servicing and previous use. If you are looking for a BMW N52 engine for sale, understanding the common issues can help you make a more informed choice and select a replacement engine that suits your vehicle.
- Electric Water Pump and Thermostat: These components can fail with age and may cause overheating if not replaced promptly.
- Valve Cover Gasket Leaks: The gasket can become brittle over time, resulting in oil leaks around the valve cover.
- Oil Filter Housing Gasket: On applicable N52 engines, a worn gasket can cause oil leaks and should be addressed early.
- VANOS Issues: Faults with the VANOS system can affect engine response, idle quality and overall performance.
- Valvetronic Components: Problems with the eccentric shaft sensor or related Valvetronic components can cause rough running, warning lights or reduced performance.
Always check the engine's condition, engine code, mileage and what components are included. Ancillary components may vary, so confirming these details before purchase can help avoid compatibility issues.
Following the recommended maintenance and servicing schedule can help manage these common issues and support reliable performance after installation.
Buy Your BMW N52 Engine With Confidence
When you buy a used BMW N52 engine from AllGoodParts, you are not just buying an engine. You are getting support throughout the process. We understand that choosing a replacement engine can be a big decision, so we keep the process simple and transparent.
Our eligible used engines come with up to 3 months or 5,000 km warranty, whichever comes first, giving you added peace of mind after installation. We also take care of secure packaging and Australia-wide delivery, so your engine is prepared for safe transport to your doorstep.
Whether you are replacing a failed engine or getting your BMW back on the road, you can purchase a used BMW N52 motor with clear warranty coverage, secure freight and support from a professional engine supplier in Australia.
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