Q
I think I should replace the oxygen sensors. I would like to know where they are located, and how many are there are on my 02′ 745 LI.
A
The oxygen sensors on your 2002 745Li have a recommended replacement interval of 100,000 miles. There are four oxygen sensors, in total. There is one
Continue reading 2002 BMW 745li Oxygen Sensors – E65 E66 E60 E61 E65 E66
This answer is applicable for many BMWs in addition to the one listed below.
Q
car year: 2001
car model: Z3 2.5
Our Z3 2.5 2001 with auto trans is soon coming up on 100k. Which synthetic engine oil viscosity, for the San Francisco CA area, should we use? Avg temp=62 degrees with no snow.
A
We would recommend a
Continue reading BMW Oil Viscosity & Auto Transmission Filter & Fluid
Q
Can I turn off the “automatic door locks” that lock the car doors once I start driving? I searched the car manual and I can’t find any info.
A
You can, indeed, have the automatic door locking feature turned off. This must be done at the BMW dealer. There are actually quite a few other
Continue reading BMW 2000 540i Automatic Door Locks
Q
1998 323i
Hey Otto, on my 1998 323i, am I able to pressure bleed my brakes? In my Bentley manual it says that vehicles equipped with ABS and ASC-T (my car has it) need special equipment from the dealer to bleed them properly. Should this be of any concern or can I just bleed my
Continue reading BMW ABS / ASC/AST & Brake Bleeding
This answer is applicable for many BMWs in addition to the one listed below.
Q
I have a e39 523i (140k miles) and I have a similar issue to that which is noted in your BLOG post on dual-mass flywheels. There is a shock or thump sound when pressing the clutch and changing gear. When depressing the
Continue reading BMW Clunk When Shifting – Hard To Get Into 1st
1992 325i
How hard is it to replace the front brake rotors on this car?
We have done a DIY article on replacing brake pads and rotors, in the Spring 2008 issue of our Fast Times newsletter. The vehicle shown is an E46 chassis (3-series 99-06), but your E36 chassis (3-series 92-98) would be basically the same.
Continue reading BMW Brake Pad & Rotor Replacement DIY
This answer is applicable for many BMWs in addition to the one listed below.
Q
Recently this began occurring on my 2001 330cic every time I start the engine. After about 10 seconds the yellow oil pressure light comes on and stays on for about 10 seconds. It then extinguishes and will not come on again until
Continue reading BMW Oil Level Sending Unit – Low Oil Warning – Yellow Light
This answer is applicable for many BMWs in addition to the one listed below.
Q
car year: 1998
car model: Z3 1.9
I have a 98 Z3 and when I drive at 55mph or more and let off the gas, a triangle with a circle around it light comes on. What is this and what does it do? I
Continue reading BMW AST & ASC+T Warning Light – Triangle in Circle
This answer is applicable for many BMWs in addition to the one listed below.
Q
car year: 2003
car model: 525i
I am hearing a squeaky rattling noise when driving at fast speeds (above 75), which sounds like a brake noise but I am not on the brake.
A
Unfortunately, I don’t think that I can suggest a specific area
Continue reading BMW – Diagnosing Vehicle Noises – Squeak / Rattle Noise At Highway Speeds
This answer is applicable for many BMWs in addition to the one listed below.
Q
car year: 1997
car model: 540i
When I enter or exit the car I hear a squeak noise from rear of car, by the rear wheel. Can it be the swing arms(trailing arms)?
A
Without having the car here to physically diagnose, I
Continue reading BMW Squeak at Rear When Entering & Exiting Car – E39 & All