OEM BMW E30 325i 2.5L M20 Engine / Motor (1987–1993)

Genuine BMW M20B25 2.5-liter inline-6 engine for the E30 325i (1987–1993).

This smooth-revving SOHC 12-valve six-cylinder is the iconic powerplant that defined the late E30 325i. Known for its refined character, strong mid-range torque, and classic BMW inline-six soundtrack, the M20 remains highly sought after for restorations, engine swaps, and performance builds.

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) @ 4300 rpm
• Fuel system: Bosch Motronic
• OEM reference: #89206

Ideal as a complete replacement engine or a foundation for a high-quality rebuild/swap into an E30 or compatible chassis. The M20B25 delivers the authentic driving experience that made the 325i one of the most beloved E30 models.

Fitment
1987–1993 BMW E30 325i / 325is / 325ix (verify exact year, market, and accessories such as intake, exhaust manifolds, sensors, and wiring for your specific application).

Perfect for owners seeking a genuine OEM M20 engine to restore or upgrade a classic E30.