BMW M54B25 2.5L Complete Engine with Transmission – Reliable BMW Inline-Six Powertrain

BMW M54B25 2.5L Complete Engine with transmission is a reliable BMW inline-six powertrain designed for smooth performance, durability, and dependable daily driving. This complete engine package includes a compatible transmission and essential components, making it ideal for engine replacement, restoration projects, and BMW performance upgrades.

The BMW M54B25 is one of BMW’s most respected naturally aspirated inline-six engines, offering refined power delivery, proven reliability, and excellent long-term performance. Whether you need a replacement engine or a complete drivetrain package, this BMW M54B25 2.5L Complete Engine provides a dependable solution.

Product Specifications

• Engine: BMW M54B25
• Displacement: 2.5L / 2494cc
• Configuration: Inline 6-Cylinder
• Aspiration: Naturally Aspirated
• Fuel Type: Gasoline / Petrol
• Fuel System: Electronic Fuel Injection
• Valvetrain: DOHC, 24-Valve
• Variable Valve Timing: Double VANOS
• Transmission: Compatible Transmission Included
• Engine Family: BMW M54 Series

BMW M54B25 2.5L Complete Engine Performance & Reliability

The BMW M54B25 2.5L Complete Engine is known for its smooth operation, responsive throttle response, and balanced performance characteristics. Designed with BMW’s proven inline-six architecture, this engine delivers dependable power while maintaining excellent refinement and fuel efficiency.

Its naturally aspirated design reduces complexity and provides linear power delivery across the RPM range. The Double VANOS system improves engine efficiency and responsiveness, making the M54B25 a popular choice among BMW enthusiasts, workshops, and restoration specialists.

Combined with a compatible transmission, this package offers a complete drivetrain solution suitable for daily driving, restoration projects, and performance-oriented applications.

Complete Engine & Transmission Package

• BMW M54B25 Complete Engine
• Compatible Transmission
• Intake Manifold
• Throttle Body
• Fuel Injection Components
• Double VANOS System
• Engine Wiring Harness
• ECU/DME
• Starter Motor
• Alternator
• Clutch Components
• Exhaust Manifolds
• Sensors and Engine Accessories

Common BMW Vehicle Applications

The BMW M54B25 2.5L Complete Engine was installed in several popular BMW models and remains a preferred choice for replacement and restoration projects.

Common applications may include:

• BMW 325i
• BMW 325Ci
• BMW 325xi
• BMW Z4 2.5i
• BMW 525i
• Other BMW vehicles equipped with the M54B25 engine

Compatibility may vary depending on production year, transmission type, market specification, ECU configuration, and installed accessories.

Compatibility Information

BMW M54B25 engines can differ depending on vehicle model, production year, market specification, wiring harness configuration, ECU/DME setup, emissions requirements, and transmission type.

Before ordering, please verify:

• Engine Code
• VIN Number
• OEM Part Numbers
• ECU/DME Compatibility
• Wiring Harness Configuration
• Transmission Model
• Mounting Points
• Included Accessories

Professional installation is recommended. Electronic coding or programming may be required depending on the application.

Engine Details

• Engine Code: M54B25
• Mileage: 95,000 km
• Warranty: 6 Months
• Country of Production: Germany
• Condition: Used, Tested, and in Good Running Condition
• Compatibility Check: Provide Your VIN Before Ordering

Why Choose the BMW M54B25 2.5L Complete Engine?

The BMW M54B25 2.5L Complete Engine is widely recognized for its reliability, smooth power delivery, and long service life. As part of BMW’s respected M54 engine family, it delivers balanced performance and excellent drivability for both daily use and enthusiast applications.

Its naturally aspirated design provides dependable operation while minimizing maintenance complexity compared to turbocharged alternatives. This makes the M54B25 a popular choice for owners seeking a durable and cost-effective BMW engine solution.

Whether replacing a damaged engine, restoring a BMW to factory specifications, or completing a custom project, the BMW M54B25 2.5L Complete Engine remains one of the most trusted inline-six powerplants produced by BMW.

Every engine supplied by Engine Bazar is carefully inspected and tested before shipping to ensure customer satisfaction and dependable performance.

Shipping & Payment

• Worldwide Shipping Available
• Secure Palletized Packaging
• Fast Delivery Options Available Upon Request
• Estimated International Delivery: 7–10 Business Days
• Payment by Bank Transfer or Credit/Debit Card