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V8-4.4L

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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
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
Squeaky noise on the right rear wheel?
Hi there. The noise could be coming from the wheel bearings on the right rear. Raise up the vehicle and check the right wheel bearings by spinning the wheel slowly and feel the tire for any grinding feeling. I recommend...
Question
My car has recently been leaking power steering fluid. Once it's refilled the power steering fluid will last about 3 to 4 days.
This suggests your power steering pump may be failing or you have a leak elsewhere in one of the power steering lines. The [power steering]((https://www.yourmechanic.com/services/power-steering-fluid-is-leaking-inspection) system operates on very high pressurized hydraulic pressure (in some cases as much as 300...
Question
Jerking reaction
What you are describing sounds like a dirty or faulty mass air flow sensor. The mass air flow sensor monitors air intake as it is mixed with fuel prior to being injected into the motor. This sensor relays vital information...
Question
03 range rover cranks but will not start. getting injector and camshaft sensor errors. Sensors are brand new.
Hi there. Quite often, when you replace sensors and still are getting the error codes, it's due to the OBD-II trouble codes not being reset after the repairs being completed. However, it could also be a problem with the electrical...
Question
Aisin transmission
The transmission is reliable and, indeed, I see no transmission related complaints in the NHTSA database for the 2007 Volvo S80. The car overall has a total of only 10 complaints in the NHTSA database which is the smallest number...
Question
4x4 inactive and abs light
As a vehicle ages, sensors and monitoring systems can develop "glitches"; either due to excessive dirt and debris or the connections becoming loose. This can sometimes trigger system warnings as you've described above. Since the dealership was unable to determine...
Question
2001 X5 skips when braking
I believe the issue you are experiencing could be due to one of two issues. The issue would depend on your meaning of skipping. The first issue that could be causing this symptom would be a faulty control arm bushing....
Question
Entire bank1 misfires, and lower compression. 1997 BMW 540
Hi there - yes, it is possible to have cam timing for one cylinder bank off after a timing chain component repair. Way too easy actually with this engine! If you did not loosen the cam sprocket to cam bolts...
Question
How can you tell if you need a canister replacement or a whole new emissions control system?
The emission control system faults can produce many different codes and the code is used to do different pinpoint tests on the system to find the cause for the code and check engine light coming on. There may be a...
Question
How much would you charge to change Serpentine/ drive belt
Before you have the belt replaced you should have the belt tensioner checked to see if it can provide enough pressure on belt. You may need to replace tensioner and belt. Have a mechanic like one from YourMechanic check tensioner...
Question
Old AND Brand new BMW keys will not link work to unlock, etc. What would be my next option?
Hello Chris, thanks for writing in. The BMW key learning procedure for a new key needs an existing master key that communicates effectively with the ignition. If the key that came with the car is not properly programmed, then the...
Question
In my 2008 LR3 car every new ac compressor gets burnt or blown off when fixed. I have changed the condenser and the coil but the s
The fastest way to get to the bottom of this is to request an air conditioning system inspection. The cause depends on which component is failing. If it is the a/c clutch, then yes the cause could be electrical and/or...
Question
Replaced the camshaft position sensor and still goes into safe mode ? 2000 BMW 740i
Hi there - I believe your real problem is a failed timing chain guide, which has shifted the cam timing beyond what the sensor can deal with. This is a common problem with BMW V8s with extended mileage. The solution...
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
2004 Range Rover does not engage and move when shifting
Your car has an electronically controlled transmission, So any shifting decisions are made by the transmission controller. It could be that your controller is not giving the drive command, or it could be that there is a solenoid or other...
Question
I was thinking about buying a 2000 land rover discovery and read a few reviews. Maintenance and gas mileage were the to biggies.
If it's reliability and low maintenance you want, you'd better look past the Land Rover. It's a shame, because they are really cool cars, but they are very expensive to maintain and are prone to failures. As much as I...
Question
Id like to inspect a few cars
Hi there. If you are looking to purchase a newer vehicle, one of the best services we offer is a pre-purchase car inspection. This allows a professional mobile mechanic from YourMechanic.com to come to your location and complete a detailed...
Question
My 740il is knocking
Hi there. An engine knocking issue often occurs when the fuel and air mixture is incorrect, which causes the fuel to burn in uneven pockets rather than uniform bursts. Left untreated, it can cause damage to the piston and cylinder...

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