This could be multiple things. If you haven't had a tune up recently I Would start there. New spark plugs would be my first step though.
How do you replace starter in 1997 BMW 740il??
wiper motor not working on my 1997 BMW 740IL
How to change flat on a 740il
how to put transmission fluid in a 740il BMW 1993
how do you unlock the trunk of a 740il BMW with keys locked inside
The fuse box is located at the rear of the glove compartment on 1994 BMW 740il.
where can I locate the fuel pump relay in a 1995 740IL BMW
can you please show me how to put the fan belt back on, on BMW 740il 1998.
It should tell you in your owners manual. I have a 1996 BMW 740IL and it takes 8 quarts
The knock sensor on a BMW 740Il is located on the top of the engine. It is mounted under the intake manifold.
how do I set the timing on a BMW 740
You can refer to a 1997 BMW 740iL repair manual available on 1000repairmanuals.com/blog/bmw-e38-740i-740il-repair-manual-1996-1997-1998-1999-2000-2001/