The 2002 BMW M5 has a V8 engine.
The 2002 BMW M5 has a 4.9 L base engine size.
The 2002 BMW M3 has a 3.2 L base engine size.
The 2002 BMW X5 has a 3.0 L base engine size.
The 2002 BMW M3 has an inline 6 engine.
The 2002 BMW X5 has an inline 6 engine.
The 2002 BMW 3-Series has a 2.5 L base engine size.
The 2002 BMW 5-Series has a 2.5 L base engine size.
The 2002 BMW 7-Series has a 4.4 L base engine size.
The 2002 BMW 5-Series has an inline 6 engine.
The 2002 BMW 3-Series has an inline 6 engine.
If the 2001 7series bmw's are similar to the 1998 7series, it's located between the driver side headlamp and the power steering reservoir in the engine compartment. Of course it's cylinder shaped and you can't miss it.