BMW M73

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The BMW M73 is a V12 SOHC piston engine which replaced the M70 and was produced from 1993-2002.

Design

Compared with its M70 predecessor, the M73 uses an aluminum engine block and cylinder heads.[1] While most other engines in the BMW range had switched to DOHC and 4 valves per cylinder, the M73 used SOHC and 2 valves per cylinder.[2]

Some versions of the engine have two separate Bosch Motronic ECUs, while others use a single ECU.[citation needed]

Models

EngineDisplacementPowerTorqueRedlineYear
M73B545,379 cc (328 cu in)240 kW (320 hp) @ 5000490 N·m (360 lb·ft) @ 390060001994
M73TUB541998

M73B54

Applications:

  • 1994-1998 E38 750i/750iL/L7
  • 1994-1999 E31 850Ci

M73tuB54

The M73tu won the "Above 4 L" category of the International Engine of the Year awards for 1999.[3]

Applications:

References

See also

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