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BMW 740i Questions

Get answers to questions about your BMW 740i at RepairPal. Find solutions, diagnose problems and get back on the road.

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266
questions

I checked the fuses and still nothing happened

but i went to the bmw dealer and after getting a new 1 and putting it in im still getting the same code and the check engine light and i would have to try like 3 times to turn car on before it will stay on

I had bank 1 and 2. Code was 491-492. Since the repairs have been made. The Check engine light do come on. Meaning during start up it do not appear with he rest of the indicator at your dash board.

Replaced 20+ items on engine and it still runs rough as though it wants to stall out, it has left me stranded a couple times. The most likely problem is the timing chain rail is broken and maybe the tensioner and/or the gear and or vanos timing. Need to remove front of engine and replace problem...

When i purchase d my bmw they said the transmission was going out. My friend worked in his own bmw and said the transmission fluid and filter inly needed to be changed

The car has 223,000 miles on it and I have already replaced battery, water pump, and fuel pump.

Drive car for at least 15 min - not when it just turns on and idles - the car will stall when trying to reverse and now it stalls after coming to complete stop at stop light. Happens frequently now - shop says it is not throwing any codes. First time it happened the dash computer lights where mileage is went wacko - when car is cold it will go reverse no problem.

It works for a while then stops working until we restart car.. Then it shuts off again after awhile ..

The BMW I'm looking at has 45,000 miles on it versus the S550 having 43,000 miles on it. I currently own an EClass.

when u turn the key to start the car sounds like it wants to turn over but jist cant

I am having a problem with the power steering it is foaming and coming out the resolver not sure if was supposed to put power steering fluid or ATF or brake fluid

engine light came on soon lost compression no power to gas peddle won't stay cranked just started this yesterday never had problem before drove to church fine coming home on freeway started losing conpression .

What should I particularly look for in order to determine if it has been properly looked after and what are the critical areas? Thanks

I was disconnecting and reconnecting my battery every night and then in the morning to be assured the car would start. All of a sudden the car doesn't even want to turn over. Have I damaged the electrical system on my car?

The lower pulley tomthe serpitine belt broke how much willmit cost to fix

my instrument panel had displayed that my brake light was on before the wiring connection going to the plastic component started to gushed smoke.

replaced spark plugs,TPS, and accelerator cable, but still not shifting as timely,or smoothly and idle, while improved quite a bit, is still getting "hung-up"(RPM stays high when braking then goes low in increments till full stop-sometimes the car will clunk, or wants to hop before final stop, then the RPM will settle @ approx. 500). One mechanic told me that the torque convertor is getting stuck!! Do I need to flush the tranny & change filter? or repairing the idle issue will solve the tranny issue? all this happens regardless of temp.,A/C being on, or other factors.

My car detailer was replacing the passenger mirror and my trunk stopped opening. I had to buy the master key in order to get the trunk unlocked. There was only a few items in the trunk. My truck unlock buttons are no longer working. I suspect a short. where should I look? Is there a reset?