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BMW 7-Series Maintenance and Repair

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  • Mr_ShiftrightMr_Shiftright CaliforniaPosts: 45,021
    You know I'm not in the "in crowd" on this information, but I'm guessing 2007, since Lexus isn't changing for 2006, so....I wish they'd ditch iDrive in the 7 series, I think it's killing the car.

    MODERATOR --Need help with anything? Click on my name!

  • james40james40 Posts: 1
    I am thinking about purchasing a used 1999 740i. Can you guys tell me what things I need to look out for on the vehicle before I make the purchase. From reading these forums it seems they have bushing problems but I wanted to see if their is anything else the group would recommend I have checked out before I buy.

    Thanks,
  • James - I just bought a 1999 740iL (58K mis) myself off of eBay. The car did need some work right off the flat bed, but it was definitely operable. Have a mechanic put it up on a lift. Check all fluids, brakes, rotors, sensors, ball joints, etc. Check tires for abnormal wear. Look at the engine from underneath at things (hoses and radiators) for signs of leakage (the engine should be fairly clean - nothing drippy or goopey should be present). Check the radiator, too, the overflow tank and the fan shroud, etc. In your test drive accelerate hard and brake hard - the pick up should be firm and smooth (and damn quick) - and if you brake hard enough you want to hear the ABS click in. Make sure the moon roof opens/closes/tilts easily, the windows all operate with one-touch and that they back up if you put your hand in the way. Make sure the windshield wipers work (turn them on to "fast" - if any of the bolts are loose the wipers will just fly off the windshield - better now than in your first rain storm driving home. Make sure all the lamps/lights work. Get in the seat and make sure you can adjust it in all directions and save the settings to memory). And finally (if it sounds like I'm talking from experience here - I am) make sure you have a spare that's well-inflated and useable. Also, make sure that all the tools and the jack are in their proper location. First week out - I ran over something and got a flat. Fortunately, some (but not all) of the necessary tools were there (that little flashlight in glove box was real blessing!!). Make sure all the little ashtrays and storage pockets open. Make sure the A/C blows cold. Make sure the CD changer in the trunk works and if you're lucky to have found one, make sure the NAV system works. The first aid kit in the back seat probably won't be there, though.

    As for the Phone - I'd love to know if anyone can tell me how to use it...can I somehow connect just any old cell phone to this system??? I have this beautiful car and this painfully obvious blank spot where there should be a phone in the center arm rest!!! PLEASE HELP!!

    Thanks,
  • 1stbmw41stbmw4 Posts: 1
    Just bought a 2001 750il. I have a need for a three point seatbelt in the middle rear. Does anyone know of a solution? Not sure if there might be a technical bulletin, aftermarket retrofit, etc for this problem. My need is for a child's booster seat.
  • binbmanbinbman Posts: 1
    Hi Newbi,
    I do have the repair manual for your car, let me know what do you need and I'll see what I can do for you.
    Take car and happy ride!
  • You can try to reset the computor by removing both battery cables and touch them togather,but be careful not to touch battery,this will drain all residual power and most of the time this will reset all memories

    thebuchanans@verizon.net
    jbucanan
  • Before you waste your time going to the dealer,try this very easy and simple.
    Take 2 inch masking tape and tape off the front of the sunroof then drive the car if no change in noise tape of one side at a time till noise is gone that way you know where the problem is before you go in and they can't hit you up for extra labor time

    jbuchanan @ thebuchanans@verizon.net
  • First of all how can you tell I'm a first time user? If they are after market rims they might not be centered on the hub.I spent days trying to find that same vibration

    jbuchanan
  • do you feel the vibration in your feet if so you could have 2 problems ,the vib. in your feet sounds like it's a drive train problem,motor mounts go bad all the time.the steering wheel vib.could be a little play in each front end part the combined play adds up.I always recommend alternating from 89 to 96,but if you add an injector cleaner every second tankfull I wouldn't worry about it

    jbuchanan
  • Make sure all brake lights are silver tip some shops won't spend the extra dollar for the correct bulbs.Copper bulbs have to much resistance and will cause the check light to come on

    jbuchanan
  • Hello there
    I am also in Europe(germany) and am planning to buy exactly the 1995 model 730i. Would like to talk to you a little bit and get some feedback from your car experience with this model. Can you share some of your experience with this particular model and year?. appreciate this.
    Thank you
  • Love my car and despite all the hoopla over the i-drive think it is terrific. I acquired the car in June and am ready to make my 3rd trip back to the dealer. First problem occurred the day I picked my car up from the dealer and it stalled at low speeds 3 times the first day. Next 2 issues have been -- I often get transmission failsafe error messages when I start the car and proceed to drive. I can usually clear this problem by restarting the car (a pain but ok). On 2 occasions it has gotten stuck in transmission failsafe mode and can only drive in 3rd and 5th gear. The shop reprogrammed and thought they fix the problem a month ago and it happened to me again last night. I tried restarting several times and didn't fix the problem. It did work this morning but now I have a service engine soon message. Also, read an earlier message -- I also have engine rattle and perceived lack of power at certain times -- I am also having that checked out. Love the car and am holding my breath that these problems can be resolved -- otherwise my wife is going to tell me that I should have bought the S-Class car that she liked better! Any others encounter the transmission failsafe problem???
  • Purchased a 95 740il with 45k miles 4 years ago. Now have 105k miles. As an agressive driver, I enjoy this Bimmer in all respects except in 2 areas.
    1. The engine does not respond quickly enough in critical times such as crossing a busy street. It's flat. Same on standing start. Manually downshifting does not appear to improve the situation much if at all. Some have recommended replacement of the mass air meter (?).
    2. The actual speed of the car is less than what appears on the speedometer by about 10%. If speedometer shows, say 60 mph, I'm actually traveling 54 mph. What is this doing to the odometer? Some say it is a factory offset to tire size and does not affect the odometer. They also say that this condition should reduce the number of speeding tickets I would otherwise receive!
  • Make sure your catalyst are not coming apart,you can tell by tapping on them WHEN cold,have had to replace many cats. on 5's and 7's,they will restrick the exhaust flow even if they are partalily clogged up.Also check the valve cover gaskets they will leak oil down into the spark plug tubes and cause the plugs not to fire correctly.If these seem ok try an injector cleaner with a full tank of premium gas.These are easy to check yourself instead of taking 2 weeks to get an apointment at your local dealer.

    jbuchanan
  • Thank you for your quick response. Both cats are less than 1 year old (that's another story). I'll check the valve covers. How often can injector cleaner be used? I was told that too much may indeed damage the cats.
  • i have this car and when i stop the car and switch off
    there is lettel vibration or moving

    the procedure:

    1- after parking a change the gear to "N"
    2- i push the side break
    3- i change the gear to "P"
    4- i press " stop engine" button
    5- i take off the remote

    after one second the car is moving lettel bit??

    is it normal???????

    please help me:)
  • Sorry,I've been real busy,Yes to much of a cheezy injector cleaner will,Buy a good cleaner and once a year is sufficient,but also need to clean the throttle body.It will get a build up and give the computer a false reading,the throttle plate will not close all the way and the computer wiil not see the idle values and think you are driving down the road.I like to use JB cleaner (JUSTICE BROTHERS) I think you can purchace the cleaner at Advance Auto or Auto-Zone.The correct procedure in flushing injectors is to first clean the thottle plate then perform the air intake flush this cleans the plenum and the intake and exhaust valves and the top of the pistons the install some cleaner in the fuel tank,The I like to drive down the highway about 60-70 mph for about 15-20 miles.There are a couple of other ways to flush injectors this how I flush the fuel system.p.s. it is a good idea to replace the spark plugs after the injection flush.Let me know how it goes
    jbuchanan
  • I just bought a 2000 BMW 740i and the driver side rear window regulator is broken. I can hear the motor working and something moving inside the door, but the window itself is not moving. I found a new regulator with the motor for $245.
    Does anyone know where I can purchase a regulator without the motor? I noticed that online stores sell regulators without the motor for 540i but not for 740i. Any idea why?
  • Mr_ShiftrightMr_Shiftright CaliforniaPosts: 45,021
    Does the dealer sell it without the mtotor? Call 'em up and ask, and if they say no, ask them why. The parts man will know I think. Might be riveted in there or something. BMW loves to do that kind of thing.

    MODERATOR --Need help with anything? Click on my name!

  • That is very likely - that they riveted it. Thank you.
  • The fuel injectors on my four cylinder have 280K miles (not the motor) so I thought I would put in some injector cleaner. By the time I ran though that tank of gas with the cleaner in it, my motor is now smoking bad ! I see the smoke when I take off from the stop light, but it may be while driving too, I don't know.
    Is this just a coincidence or did that cleaner do something BAD.

    broke2
  • Hi, I have a 745Li purchased a few months ago. I am curious as to what the oil and maintenance frequency is, as the manual is not clear to me...Thanks
  • Looking for an answer. I have a 2003 BMW 745Li. It has 10,000 miles. Upon starting the vehicle as usual I have to tap the IDrive knob or joy stick twice as some call it to get the IDrive to allow you to open the screens. The other day this did not work and without this device I have no navigation or radio or any of the other components it controls. Is this a common occurance? I read in another forum that this can become a nightmare. At this time I have an appointment with my local dealer for this repair. They gave me an appointment 2 weeks away.Which I find strange but am being patient. After this I will be demanding immediate service for a device that controls all these functions for this vehicle. As I now have BMW's NA phone number. Any help or advice would be appreaciated. Thank You
  • If you have a warranty for full coverage then the dealer that services your 745 knows by the computer when the oil or any other service needs to be performed. It also comes up in your dash. It will say how many miles till you need something serviced.
  • I have had a 2003 745i for 14 months. The car was in the shop twice before I bought it, once for regular service and another for an electrical problem. In the last 14 months I have had this car in the shop 5-6 times for a left sided buzzing noise on 2 occasions, routine maintanence followed by the car light on the nav on one occassion, windshield wipers jumping, the air conditioning turning on when off, buttons peeling, etc. I have never had a problem under the hood. Now the trunk will not open. Does anyone think 6-7 visits over 14 months is abnormal.
    Are others having the same problems. I for one am tires of frequent visits to the dealer. Love to drive the car but I do not think this car is really worth all the trouble. I may be selling it soon even with the loss I will have to take
    Thanks
    David
  • broke2,
    Why did you install injector cleaner???

    jbuchanan
  • Hello: I have a 2003 745Li w/ the 4.4 engine. The vehicle was stored for about a year and a half. It was started a few times during this period. When I purchased the car, it started ok ran a little rough, but accelerated ok. I drove the car to my home about 60 miles, I did notice some vibration from the left front on braking but this went away after I stood on the brakes quite hard from 80 mph. I have since put 2 tanks of 93 octane fuel with the second fill up I added a product called Berryman or Berrymen fuel system cleaner. I have not noticed an adverse operating condition. The dealer I go to serviced the car and they performed service I did not even tell them about which was a real pleasure. The reason it went into service was for peace of mind with the new purchase mainly. It did have a noise like a light banging sound which the dealer said was 2 bushings in the front suspension which they did replace as with other routine maint. But the IDrive computer is working intermittintly which will be serviced on the 10th of October. We shall see.
  • Recentley purchased a phone for my 740IL and I can't get activation because cingular says that it is no longer activating TDMA because of blue tooth technology. It's a shame to have a hands free phone and can't get activation.Is there some wa to possibly get the phone activated.
  • bmwnabmwna Posts: 32
    I'm with BMW of North America, LLC. I've passed this message on to a BMW NA Customer Relations Representative who will be in touch with you soon.

    BMW NA Customer Relations
  • whale2whale2 Posts: 1
    My 1998 bmw 740i has 150k miles, recently the check engine light has come on won't go off...mechanic say that diagnotic check show nothing going with the engine yet I have noticed there is some vibration in the engine even after its has been running for a while with a noise coming from the left side underneath the driver door. Please assit me with this matter, Thanks
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