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745Li

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Question
Dynamic Interactive light on and steering stiff
If all of your concerns began after the battery was replaced then it sounds like the battery may not have been installed correctly. The battery is the main power source that powers the entire vehicle on startup. If the battery...
Question
Do I have to change my ignition coils when i change my spark plugs?
Hello. It really depends on the overall condition of the vehicle as to whether or not it will make that drive. Replacing the spark plugs is a good place to start maintenance, but I would definitely check all of the...
Question
Engine cranking but no spark (no trigger signal )
Hello and thanks for contacting YourMechanic. The trigger for your ignition system lies within the computer system. Your computer is not allowing the ignition to trigger the power. The coil should have power to it and a ground wire. The...
Question
Q: Catalytic converter replacement
Hello. It's quite possible that there is no one at fault here. It may just be unfortunate timing. I'm assuming that you have had the codes read and that is why you have decided you need to replace the catalytic...
Question
Steering tilt not working
Hello. There are two motors for the steering column features in your 2005 BMW 745Li. It is possible that the motor for the tilt feature is faulty or that a fuse or relay has blown to prevent the power steering...
Question
Transmission lights no gears
Hello. Your BMW 745Li has a shutdown feature which helps to prevent additional damage to other components of the car when there is a problem with the engine and/or transmission. Using the information that you have provided, it sounds like...
Question
Brake malfunction dynamic drive on 2005 BMW 745Li
Hello. It sounds like your 2005 BMW 745Li may have a problem with your electric/charging system or that the battery is faulty. If the electric/charging system is charging too low, it will cause the electronics to go “haywire” because the...
Question
Blue smoke oil leak
Hello. The valve cover and the spark plug tube seals may be leaking oil causing the blue smoke you see coming from the tail pipe of your 2004 BMW 745Li. The valve cover gasket and spark plug tube seals are...
Question
Battery replaced, engine malfunction warning
Hello there. With any Check Engine Light, the first step is to have the code read to determine what system is involved with the fault. It is possible that this fault was caused by the vehicle losing power when the...
Question
Power module malfunction warning, engine unresponsive
Hello there. This is not an uncommon fault with a BMW 745Li. With any complex electrical system, the first thing to do is the perform a load test on the battery, as proper voltage is important for how the entire...
Question
How do I know if the sbsr is bad?
In order to determine if your SBSR is faulty, a factory scan tool is needed. There are a couple of technical service bulletins about low fuel, the fuel transfer pumps and reprogramming the SBSR module. Check with your local BMW...
Question
My BMW can't go over 5 mph
Your car has an electronic throttle motor, which opens the throttle when you step on the accelerator. It's possible that the throttle is not activating with the pedal. A problem like that should be accompanied by a check engine or...
Question
Camshaft position sensor keep failing after i replace it. after 2 miles the check engine comes back on for that sensor 2003 BMW 745Li
Hello - you don't mention the specific problem codes you are getting, but the problem you are having may not be the cam sensor itself. Rather, the problem could be the "v-shaped" timing chain guide between the cylinder banks. This...
Question
My 745li won't stay in gear.
Hi there. The computer (ECM) is locking out the transmission from engaging a drive mode. When this happens, something inside the transmission has failed, like a solenoid or the pump pressure is low. Check the transmission fluid and make sure...
Question
Hello replaced bent exhaust valve on 03 bmw 745li reassembled everything now car cranks but wont start only pending code po365
Hi there. Essentially, the P0365 code means that there has been a lack of voltage detected from the camshaft position sensor B in bank 1 by the PCM within a few seconds of the engine starting. The camshaft position sensor...
Question
My 03 745 li is over heating I changed thermostat and thermostat housing my car idols for five minutes and message comes on overhe
There may be trapped air in the cooling system. Air can get trapped if you drain coolant and then refill the system without purging. Trapped air can cause overheating by blocking coolant flow and can also faulty heater operation. Other...
Question
i have a 2002 bmw 745li and im getting a message that says trans range N only when engine is on i just had trans service done
It is very possible that transmission damage could have occurred when the transmission overheated. This can only be determined usually by removing the transmission and checking all parts thoroughly. In this situation I would recommend having a transmission inspected by...
Question
Engine misfire
by many different problems and are generally caused by either a spark or fuel issue or in some cases, a combination of both. Spark related problems generally will result from things like ignition coils, crankshaft position sensor, spark plugs, spark...
Question
WHERE IS THE CRANKSHAFT POSITION SENSOR ON THE 2004 BMW 745LI?
The crankshaft sensor is located on bottom right of transmission bell housing.
Question
I changed my foglights to led's and when I tried to start the car it did not start all kind of photo showing up and my I drive scr
Hello, thank you for writing in. The first thing to check is the installation. Make sure the power supply was hooked up correctly, as LEDs are polarized and must be wired perfectly. Secondly, you want to make sure the wires...

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