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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...
Problems with driver's door
Hi there. A common cause of a window not going up is the window switch itself. Also a window that is off its track or a bad individual motor would cause this as well. As for your door not opening,...
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...
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...
Broken gearshift lever
The gear shift lever on the 745Li is a complete electronic unit that is mounted on the steering wheel. If the paddle is broken, then the whole unit must be replaced. Removal of the air bag is required for this,...
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...
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...
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...
Leaking coolant using water
Hello. It sounds like you have a simple and straightforward problem. The radiator may be leaking because of the age of your BMW 745Li, and likely needs to be replaced. When the radiator is replaced, it is a good idea...
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...
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...
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...
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...
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...
Battery new Not charging. Suspect alt
You need to have the alternator checked and then the battery. Sometimes the alternator charges fine but the cable between the alternator and battery is bad. If so, it will not charge the battery. The cable from the alternator and...
Transmission cooler leak was trying to get it home it cut off an now it won't start it acts like it needs a jump what do I need to
Your problem scenario sounds like at least 2 problems that appear to be interacting to look like one big mess. First off, there is the transmission cooler leak, which will drive up transmission fluid temperature (what's left) to the point...

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