The diagnostic socket is located on the driver's side in the footwell at the A column.
expand_moreExhaust gas recirculation (EGR)
735 i,Li with gasoline V8 3.6 L 268 HP at 6200 RPM, 360 N⋅m at 3700 RPM engine (2001.11–2005.2)
No
All other modifications
Yes
expand_moreIdling speed with automatic gearbox
All other modifications
450–650 rpm450–650 rpm450–650 rpm
expand_moreIdling speed with manual gearbox
All other modifications
600–800 rpm600–800 rpm600–800 rpm
expand_moreMinimum engine oil temperature at VET
All other modifications
158°F158°F70°C
expand_morePetrol exhaust gas values
expand_moreCO content at idling speed
All other modifications
0.2 %0.2 %0.2 %
expand_moreCO content at increased idling speed
735 i,Li with gasoline V8 3.6 L 268 HP at 6200 RPM, 360 N⋅m at 3700 RPM engine (2001.11–2005.2)
0.2 %0.2 %0.2 %
745 i,Li with gasoline V8 4.4 L 329 HP engine (2001.11–2008.7)
0.2 %0.2 %0.2 %
All other modifications
0–0.2 %0–0.2 %0–0.2 %
expand_moreCurrent at test speed
All other modifications
−0.000115–+0.000077 A−0.000115–+0.000077 A−0.000115–+0.000077 A
Increased idling speed
2300–2700 rpm2300–2700 rpm2300–2700 rpm
expand_moreLambda sensor design
All other modifications
wideband sensor
expand_moreLambda value
All other modifications
0.97–1.03 λ0.97–1.03 λ0.97–1.03 λ
expand_moreMaximum HC content at idling
735 i,Li with gasoline V8 3.6 L 268 HP at 6200 RPM, 360 N⋅m at 3700 RPM engine (2001.11–2005.2)
150 ppm150 ppm150 ppm
745 i,Li with gasoline V8 4.4 L 329 HP engine (2001.11–2008.7)
100 ppm100 ppm100 ppm
Petrol conditioning speed
3000 rpm3000 rpm3000 rpm
Petrol conditioning time
180 s180 s180 s
expand_moreTest speed for lambda sensor signal
All other modifications
450–650 rpm450–650 rpm450–650 rpm
To reduce environment impact and pass government inspections keep emission parameters at the level prescribed by BMW.
Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2001 BMW 7 Series user's manual. Keep in mind that all information here is provided “as is” without any warranty of any kind.
Before doing any DIY service please check your insurance policy and BMW warranty policy for your region. In some regions DIY service may invalidate your warranty.
DIY car service is not as difficult as it looks like and it might save you thousands of dollars per year. It might be even fun and a good thing to do with your kids on a weekend to teach them how basic machinery works. It's really hard to screw something up and damage your car permanently if you use right tools, follow BMW 7 Series service manual and use right parts and fluids in prescribed amounts. Even modern cars stuffed with electronics can be serviced in your garage or even in your driveway. Changing engine oil, brake fluid, ATF, replacing brake pads, and etc. It's all may be done by yourself in a mater of a couple of hours.
Doing basic service for your 2001 BMW 7 Series you're not only saving money, but also also improving your technical skills and learning something new.
2001 BMW 7 Series generations
In 2001 BMW offered 2 generations of the 7 Series. Emission may vary in different generations. Be sure that you are looking at the rigt modification.