BMW E30 M20B25 Complete New Rebuilt Engine – 325i / 325is (1987–1992)

Complete newly rebuilt BMW M20B25 2.5-liter inline-6 engine for the E30 325i and 325is (1987–1992).

This smooth-revving SOHC 12-valve six-cylinder is the iconic powerplant that defined the late E30 325i. Fully rebuilt to high standards, it delivers the refined character, strong mid-range torque, and classic BMW inline-six soundtrack that enthusiasts love.

Key specifications

• Engine code: M20B25
• Displacement: 2.5 L (2494 cc)
• Configuration: Inline-6, SOHC, 12-valve
• Power: approximately 168 hp (125 kW) @ 5800 rpm
• Torque: approximately 164 lb-ft (222 Nm)
• Condition: Complete new rebuild
• Ideal for 1987–1992 E30 325i / 325is

Ideal as a turn-key replacement engine that restores factory performance and reliability. A properly rebuilt M20B25 offers excellent longevity when maintained correctly (timing belt service is critical).

Fitment
1987–1992 BMW E30 325i and 325is (verify exact year, market, and accessories such as intake, exhaust manifolds, sensors, and wiring for your specific application).

Perfect for owners seeking a high-quality rebuilt OEM-spec M20B25 engine to restore or upgrade a classic E30.