BMW M73

The BMW M73 is a V12 petrol engine of the car manufacturer BMW and was introduced in 1994. He came in the BMW 7 Series, BMW 8 as well as in the Rolls -Royce Silver Seraph for use.

The engine block is made of a aluminum-silicon alloy cylinder heads with overhead cam aluminum. While most BMW engines were changed at that time to four-valve technology, the M73 stayed with two valves per cylinder.

From model year 1999, the 750i for the first time an electrically heated catalyst received and fulfilled at the same time from then unaltered performance of the demanding American LEV and EU3/D4 legislation.

The performance of the BMW V12 concept became clear when he helped an enlarged to six liters execution in the closed McLaren BMW 1995 on the first great triumph as winner of the 24 Hours of Le Mans, and 1999, the overall victory, BMW V12 LMR in the legendary 24 Hours race. For racing the engine power was thereby restricted by Luftzufuhrbegrenzer to about 580 hp.

As an engine of the X5 Le Mans V12 made ​​700 hp and torque of 720 Nm had a at 5000 rpm. This accelerated this experimental car in 4.7 seconds to 100 and reached a top speed of 278 km / h

Data

Use

M73

M73 TU

D3

Awards

The M73 won the 1999 category " About 4 liters " of the International Engine of the Year Awards.

• BMW engine
• Motor model ( V engine )