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Buy a Quality Used B48 Engine for Your BMW

The BMW B48 engine is a turbocharged 4-cylinder petrol engine known for its balance of performance, efficiency and everyday drivability across a range of BMW models. If your original engine has failed or is no longer economical to repair, a used B48 engine can be a practical and affordable replacement when the right engine variant and vehicle compatibility are confirmed.

At AllGoodParts, we understand that customers want confidence when purchasing a replacement engine. We provide available information about engine condition and mileage and can help confirm compatibility using the engine code, vehicle model, year and VIN. This helps you make a more informed decision before choosing a B48 engine for sale.

Specifications and conditions can vary between engines, we clearly communicate the available product details to help you make an informed purchasing decision. Our experienced team is also available to answer questions and help you understand what you are purchasing.

B48 Engine Specifications, Power & Performance

The BMW B48 motor is a 2.0-litre 4-cylinder turbocharged petrol engine developed as part of BMW’s modular engine family. Understanding the B48 engine specs is important when comparing replacement engines, as different B48 variants can have different power and torque outputs depending on the engine code, BMW model, production year and market. Always confirm the exact B48 engine specifications and compatibility before purchasing a replacement engine. 

Specification

BMW B48 Engine Details

Engine Type

4-cylinder inline petrol

Displacement

Approximately 1,998 cc

Fuel Type

Petrol

Valve Train

DOHC, 16-valve

Turbocharging

TwinPower Turbo

Cooling System

Liquid cooled

Fuel System

Direct fuel injection

Cylinder Layout

Inline 4-cylinder

Power Output

154–312 hp 

Torque Output

184–322 lb-ft

Engine Configuration

Turbocharged petrol

Engine Family

BMW modular B-series

Common Engine Codes

B48A20, B48B20 and related variants

Applications

Various BMW passenger cars and SUVs

Specification Variation

Varies by model, year, market and engine variant

The B48’s combination of turbocharging, direct injection and compact 4-cylinder design provides a strong balance between everyday performance and fuel efficiency. Because BMW produced the B48 in several configurations, exact specifications and compatibility should always be confirmed before purchase. 

BMW B48 Engine Compatibility and Model Applications

The B48 engine is used across a range of BMW models, with specifications and configurations varying between generations, model years and markets. While the B48 engine code is an important starting point, the exact vehicle model, year, drivetrain and engine variant can affect compatibility. 

B48 engine compatibility and BMW applications:

  • BMW 1 Series
  • BMW 2 Series
  • BMW 3 Series
  • BMW 4 Series
  • BMW 5 Series
  • BMW X1
  • BMW X2
  • BMW X3
  • BMW X4
  • BMW Z4

When purchasing a used B48 motor, confirming the correct specification is essential because not every B48 variant is directly interchangeable.

If you are not sure which B48 engine you need, provide your VIN, engine code and vehicle details so our team can help check compatibility before purchase.

BMW B48 Engine Reliability & Long-Term Performance

The BMW B48 engine is known for its balance of performance, fuel efficiency and everyday drivability. When properly maintained, B48 engine reliability can be very good, although the condition of an individual used BMW engine depends on its variant, mileage, servicing history and previous use.

When considering a used B48 engine, it is important to assess the specific engine rather than relying only on the general reputation of the B48. Buyers should check for common B48 engine problems, including oil leaks, cooling-system issues, unusual engine noises and signs of excessive wear. Reviewing the available mileage, condition and included components can also help determine whether the engine is suitable for your replacement needs.

At AllGoodParts, we provide available information about each engine's condition, mileage and included components and can help confirm B48 engine compatibility using the engine code, BMW model, build year and VIN. This helps you make a more informed decision when choosing a B48 engine for sale.

Common B48 Engine Problems to Know Before Buying

The BMW B48 engine is a reliable turbocharged petrol engine, but like any engine, its condition can vary depending on mileage, servicing history and previous use. Understanding potential B48 engine problems can help you assess a replacement more carefully and make a confident buying decision. 

Common areas to check include:

  • Oil leaks: Seals and gaskets can develop leaks as the engine ages, particularly on higher-mileage units.
  • Cooling system: Cooling components and hoses can wear over time, so signs of leaks or overheating should be checked.
  • Crankcase ventilation: Problems with the ventilation system can contribute to rough running, increased oil consumption or warning lights.
  • Timing components: Unusual rattling or engine noise should be investigated before purchasing a used unit.
  • Turbocharger system: Loss of boost, unusual noises or poor acceleration may indicate an issue with the turbocharging system or related components.
  • Maintenance history: Poor servicing can increase wear and affect the long-term reliability of the engine.

At AllGoodParts, we understand that customers want confidence when purchasing a replacement engine. We provide available information about engine condition and mileage and can help confirm compatibility using the engine code, vehicle model, year and VIN.  while helping confirm compatibility using the engine code, vehicle model, year and VIN. This helps you make a more informed decision before choosing a B48 engine for sale.

Warranty and Australia-Wide Delivery

We provide warranty support and secure delivery for added peace of mind. Selected engines may also include parts and labour coverage, so customers should confirm the specific warranty terms for their engine before purchase.

Our team also focuses on careful preparation and reliable Australia-wide freight, helping ensure your replacement engine reaches the doorstep or your workshop safely.

Warranty and delivery include:

  • Warranty: Up to 3 months or 5,000 km for eligible personal-use engines, whichever comes first.
  • Parts Coverage: Standard used-engine warranty covers eligible parts, subject to the applicable terms and conditions.
  • Selected Coverage: Some engines may include additional parts and labour protection.
  • Secure Packaging: Engines are carefully prepared and securely packaged for transport.
  • Australia-Wide Delivery: Tracked freight is available across Australia.
  • Delivery Time: Most orders are delivered within approximately 3 to 7 business days, depending on location and freight requirements.
  • Compatibility Support: Our experienced team can check the VIN, engine code, model and vehicle details before dispatch to help reduce the risk of ordering the wrong replacement. 

For the most accurate warranty and delivery information, confirm the terms for the specific B48 engine you are purchasing, as coverage and freight times can vary by product and location.

Need Help?

Frequently Asked Questions

Find answers to the most common questions about our used auto parts.

The BMW B48 engine is a 2.0-litre 4-cylinder turbocharged petrol engine used across various BMW models. Different B48 variants offer different power and torque outputs.

The B48 is generally considered a reliable engine when properly maintained. However, reliability depends on the specific engine, mileage, servicing history and previous use.

Common areas to check include oil leaks, cooling-system components, crankcase ventilation and turbocharger-related components.

The B48 engine price can vary depending on the engine variant, mileage, condition, availability and included components. Contact AllGoodParts for the current price of the specific engine you need.

Compatibility should be confirmed using your engine code, BMW model, build year and VIN. Our experienced team can help check these details before you purchase.

Eligible B48 engines come with a 3-month or 5,000 km warranty, whichever comes first. Orders are usually delivered within approximately 3 to 7 business days.