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745Li

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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
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
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...
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
What do I need to do for my thermostat
Hello. If the coolant overflow reservoir is getting hot, it's likely that you have either too much coolant inside the cooling system (not mixed with distilled water correctly). As coolant gets hot it expands quite a bit; and will overflow...
Question
I have a 2002 Bmw 745 li after cranking it for a while it will go into limp mode but if I shut it off
Hello: Sorry, but we're not quite sure as to what you're asking or how we can help. If you could clarify what issues you're having with your 2002 BMW 745i, I'm sure we'll be able to assist. Thanks!
Question
Hello do you know how much it should cost for valve cover leaks then front seal leaks and also block valley on 2003 745li
Hi there. If you would like to receive an estimate to have one of our mobile mechanics come to your location and complete a crankshaft seal replacement and other oil leaks, you can request the quote by clicking this link...
Question
What are the things that I should watch out for when buying a 2003 bmw 745li? I want to make sure I don't buy a clunker.
Let me answer your last question first regarding ultimate longevity. So long as the vehicle does not have, or does not develop, extensive (frame damaging) rust the vehicle will last forever, simply because any and all mechanical components on any...
Question
I am trying to diagnose an E706 mux-4 bus error in my climate control system
Normally a bus error indicates that a fault has been detected between the control module and the actual system in this case being the climate control. There is usually no communication between the module and the system when there is...
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
Bought a water pump the tube to the water cooled alternator my water pump does not have a hole for that feeder tube why not
If the original application provides water cooling to the alternator and the replacement pump that you bought omits that, then you cannot use the replacement. Generally, OEM water pumps, that are specified on the basis of your vehicle's VIN number,...
Question
Hey Patrick I'm looking to buy a BMW 745li 2002 and there are a few small things wrong with it. The front grill is busted, it need
You should have a (pre purchase inspection)[https://www.yourmechanic.com/services/pre-purchase-car-inspection] by a mechanic like one from YourMechanic to get an idea of the shape the car is in and to see if it was possibly wrecked or has major mechanical problems.
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
745 2003 starts but won't switch gears
Hi there. Thanks for contacting us today. There are several things that could cause your BMW to have shifting issues, ranging from small things like a transmission fluid obstruction to torque converter issues or inner transmission seal damage. The best...
Question
Bmw alternator question
Hello, thank you for writing in. You will want to go with what they call an "OEM" (original equipment manufacture) part. This just means that the company which is producing the part uses the manufacture's design, and it should be...
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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