BMW M54

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BMW M54 engine
BMW M54B25 002.jpg
Manufacturer BMW, Bayerische Motoren Werke AG
Production 2000–2006
Predecessor BMW M52
Successor BMW N52/N54
Configuration Straight-6

The BMW M54 is a straight-6 engine, debuting in the year 2000. It is an evolution of the BMW M52. The engine has Double VANOS variable valve timing to adjust timing of both intake and exhaust valves.

Models
Engine Displacement Power Torque Redline Year Stroke Bore Compression
M54B22 2.2 L (2171 cc/132 in³) 125 kW (168 hp) @ 6100 rpm 210 N·m (150 ft·lbf) @ 3500 6500 2000 72.0 mm (2.83 in) 80 mm (3.15 in) 10.2:1
M54B25 2.5 L (2494 cc/152 in³) 143 kW (192 hp) @ 6000 rpm 245 N·m (181 ft·lbf) @ 3500 6500 2000 75.0 mm (2.95 in) 84 mm (3.31 in) 10.5:1
M54B30 3.0 L (2979 cc/181 in³) 170 kW (228 hp) @ 5900 rpm 300 N·m (220 ft·lbf) @ 3500 6500 2000 89.6 mm (3.53 in) 84 mm (3.31 in) 10.2:1

[edit] M54B22

The 2.2 L (2171 cc/132 in³) M54B22 produced 170 hp (125 kW) at 6100 rpm and 155 lb·ft (210 Nm) of torque at 3500 rpm.

Applications:

[edit] M54B25

The M54B25 is a 2.5 L (2494 cc) engine with an 84 mm (3.3 in) bore and 75 mm (3.0 in) stroke. It is all-alloy with Al-Sil block, fracture-split forged steel connecting rods, a one-piece forged crankshaft, and a reinforced plastic intake manifold. Output is 192 hp (143 kW) at 6000 rpm with 181 lb·ft (245 Nm) of torque at 3500 rpm.

Applications:

[edit] M54B30

The M54B30 is a 3.0 L (2979 cc) successor of the 2.8 L BMW M52. Bore remains the same at 84 mm (3.3 in), but stroke is increased 5.6 mm (0.2 in) to 89.6 mm (3.5 in). Power is 231 hp (170 kW) at 5,900 rpm while torque is 221 lb·ft (300 Nm) at 3,500 rpm.

It is an all-alloy engine with Al-Sil block. It uses SFI fuel injection, has 4 valves per cylinder with Double VANOS (variable valve timing) and features fracture-split forged steel connecting rods, a one-piece forged crankshaft, and reinforced plastic intake manifold.

The M54B30 was on the Ward's 10 Best Engines list through 2001-2003.

Applications:

[edit] See also

[edit] External links

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