The 5.4-liter 12-cylinder BMW M73 or M73B54 engine was produced from 1994 to 2002 and was installed on the top models of the concern: the 7-Series sedan, 8-Series coupe and Rolls-Royce Silver Seraph. In 1998, an updated version of the motor appeared, it is distinguished by the index M73B54TU or M73TU. The engine was installed. The M73 engine was available in the 850i and 850Ci models, offering exceptional performance in a grand touring coupe. This model was known for its striking design and powerful engine options. BMW Z8. Produced from 1999 to 2003, the Z8 was a limited-edition roadster that showcased the M73's capabilities in a lightweight chassis.
I know that the common faults with the M62 are the timing chain guides as well as the cooling system, but I do not know the common failures on the M73. I searched some forums as well as just general information online and from what I've read it seems as though the M73 is a pretty stable engine meant to last a long time.. The BMW M73 is a naturally-aspirated, single overhead camshaft (SOHC), V12 petrol engine which replaced the BMW M70 and was produced from 1993 to 2002.. matching the values of the standard M73 engine. The power and torque both increased to 265 kW (355 hp) and 530 N⋅m (391 lb⋅ft) respectively. [9] Awards