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BMW 7-Series Maintenance and Repair

624 messages,  Last post on Sep 28, 2008 at 10:07 AM

You are in the BMW 7-Series Forum. Your Hosts are pat & karens

What is this discussion about? BMW 7 Series, Electrical, Engine, Sedan


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#543 of 624
Re: 1998 740il wiper ,electrics [john740il] by Mr_Shiftright HOST
Jan 14, 2007 (11:50 am)
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Replying to: john740il (Jan 14, 2007 10:54 am)

You could call up BMW parts department and ask where that relay is. They'd have a diagram of it when they looked up the part number for you. Ask for a "price and availability" on that part and then ask if his/her book shows where it is so you can examine it prior to purchasing a new one (there's no exchanges on electronic parts, usually, if you open the package).
#544 of 624
Fix 740il Nav Computer by fast7
Jan 15, 2007 (5:52 pm)
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I got the computer problem fixed. An independent repair shop got a used navcomputer and replaced it. $780 plus hour shop labor/ Saved $2800.
#545 of 624
Re: idrive problems [esvcaddy4me] by wdee
Jan 17, 2007 (12:50 pm)
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Replying to: esvcaddy4me (Nov 12, 2006 11:26 am)

I have an 02 745iL and have had this problem over and over. It was very sporadic and the dealer could not reproduce it when I took it in. Eventually it happened and I drove it to them to show them. A mechanic told me that it is due to overheating of the electronics (NAV,stereo amplifier) as most of them are in the trunk and I have a black car in Florida. He said that the electronics run in parallel so when one part messes up, they all do. Kinda like the old Christmas lights that once one bulb went, the whole strand is dead. They couldn't tell what was causing the problem, but he said there was a service bulletin about it and they installed a cooling fan back there. I have not had the problem since, and I'm hoping that it doesn't come back in the hot summer months.
#546 of 624
Re: 1998 740il wiper ,electrics [Mr_Shiftright] by john740il
Jan 21, 2007 (1:38 pm)
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Replying to: Mr_Shiftright (Jan 14, 2007 11:50 am)

told u i would let u know about service manual on dvd i got it for less than a chiltons type manual and it does what they said it would, has information on 'common' problems, like my problem w/wipers,keyed in symptoms and it says in the right inner fender wire harness gets chafed on metal plate,i have yet to pull inner fender but will let know if solved thanks again
#547 of 624
Problem with AC climate control heater by seanggu
Feb 03, 2007 (2:34 pm)
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Hi, I recently bought a 2001 740ia w/ 54k miles . I noticed that no matter what I set the temp to on the climate control the right passenger side always blows cold air. For example I set both temps (left and right) to 75 and left side will blow warm air while the right side is blowing cold air. Could anyone tell me if they have heard of this issue? what are the likely causes? how much should I expect to pay to have it repaired?
 
Thanks
#548 of 624
Too many problems with my 740i by eric312
Feb 07, 2007 (8:42 pm)
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In the last 4 months i have had the following fixed on my 2001 740 with only 60,000 miles on it:
 
1. NAV computer replaced
2. Rear window regulator replaced
3. Power steering hose replaced
4. Radiator replaced
 
Is this typical of BMW quality?
#549 of 624
Additional warranty on 745s by eric312
Feb 07, 2007 (8:45 pm)
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Is it true that original manufacturer's warranty on 2001-2003 (does anyone know exact years) was extended due to quality issues? If so what is the total warranty?
#550 of 624
Re: Additional warranty on 745s [eric312] by cjennjr
Feb 12, 2007 (9:07 pm)
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Replying to: eric312 (Feb 07, 2007 8:45 pm)

For the 2002-2003 7 Series, you get a FULL 6 year, 100K mile warranty, bumper to bumper. This does not include maintenance items (that's a separate item). That is the main reason I bought my 745i - Benz, Audi and Lexus does not offer that kind of warranty on the flagship models. Although there were computer issues with the 745i and 745Li, if updates were made, there should not be any more issues with the car. I've had my car for a year and a half - I wouldn't trade it for anything!!!
#551 of 624
Re: Too many problems with my 740i [eric312] by dtb0203
Feb 13, 2007 (9:20 am)
Reply

Replying to: eric312 (Feb 07, 2007 8:42 pm)

I have a 2001 740iL and it's been the worse car I've owned. I purchased the car with 19K miles and before the 100K warranty was up, I had the following problems that were covered under warranty:
 
1. radiator replaced
2. 4 days after replacing radiator, the car was towed again to the shop to replace the supply reservoir (or something).
3. power steering hose replaced
4. regulator on rear door window replaced
5. rear door shade replaced
6. glove box handle fixed (could not get in glove box)
7. when it rained, it leaked overhead in the rear door area, they replaced tubing that drains the water
8. replaced device that displays text in the dash, some of the dots were missing in text and some times you could not read what was displayed
 
(Now this list of 8 things is just what I remember without referencing the maintenance records. I am more than positive I have missed several things.)
 
Although not under warranty, I've replaced rotors every time I've replaced brakes. They say it's normal for BMW.
 
As of Feb 2007, I have 109K miles on the car, it's no longer under warranty and at 109K miles, the transmission went out. The message came up "Trans. Fail Safe Prog." It happened one week, had it checked out and they said the computer showed that I needed to replace the brake sensor light and the thermostat. So I did, at a cost of $800. Then a week later, the message returns and the car jerks all the way home. The transmission was gone, and to replace it costs $6,000. The dealer gave me a 10% discount, so I paid $5,400 out of pocket to replace the transmission. And the glove box would not open again, I replaced the handle at a cost of $400. I had to get rear brakes and rotors at a cost of $650. And then they tell me that the "return hose for the power steering" is leaking and needs replacing. I said, I replaced that hose. They looked thru the records and I replaced the "supply hose", not the "return hose" and the power steering has 3 hoses. All of this occurred in Feb 2007. I guess it will be soon when the 3rd power steering hose is leaking.
 
Previously I owned 2 Honda Accords. I got 180K miles on one and 220K miles on another. Neither required a new transmission or half of the problems I've had with BMW. I've had it with BMW. I test drove a Lexus this weekend. I was not as impressed with handling and how lightweight the car seemed, but they are reliable. BMW needs to get it right! It's almost hysterically funny how often this car has been towed from my garage to the dealer. I know my neighbors are scratching their heads, because I'm surely scratching mine. But each time I seem to convince myself that once this is done then I won't have any problems for a while, boy have I been wrong. I have to get rid of the car - in a few months I hope.
 
To say the least I'm very disappointed in the quality of the car considering it's cost. From your list, I've had 2 of those things to happen, it seems we have similar problems.
#552 of 624
pbarnard1 by pbarnard1
Feb 14, 2007 (8:57 am)
Reply
did you find what was causing the 'check engine' light to come on? I have the same problem.

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