Last post on Feb 17, 2013 at 10:00 AM
You are in the BMW 7-Series
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BMW 7 Series, Electrical, Engine, Sedan
#151 of 832 Re: Any advice on problems? [jen2003]
Jan 09, 2005 (11:37 pm)
I am a new couple weeks 2000, 4.4 740iL owner
It has about 114K miles which may be a bit different from your problems but consider this.. This car stacked a lot of miles and the guy, (Biloxi lawyer) sufficed with the usual 10-30 oil off the shelf. The owners book sez use synthetic 5W-40 so I hunted it up at an oil dealer. It ran rough,so with the recommended plug change being 100K miles I guessed the plugs were never changed. Wrong, new and correct plugs were put in at about 53K miles and these were well coked. All plugged up.. shorted and the car ran rough. New plugs and presto, smooth as silk.
It is not hard for a novice to check and if necessary do the plugs and buying them from Advance Auto or something like that at $6.00 beets ( ) the hell out of BMW Bosch. Adv also had the NGK or whatever was in it before or can order in a day or so. Get a bit of advice on plugs and alum heads as they are a bit more fragil. Put a couple drops of oil on the threads...for next time and don't overtorque...
Bosch and net info tells that the wrong oil contributed (possibly) to the coking of the plugs and possibly low octane gas..Will check on the gas quality soon. To be sure, use premium till you get the problems ironed out but I think a look at the plugs would be a start. Seemed to turn off my check engine light.
228 863 8688 for non professional (no fee) conversation on the thing.
An independent garage possibly can do you some good if they have diagnostic stuff... and probably not at the BMW price. BM is tight with their tech info. Sorry on the Buck Rogers stuff as I am just getting familar with this high tech stuff.
Jan 10, 2005 (12:59 am)
Same car as #151. 2000 4.4 740 iL. Car is clean and now runs very smooth.
Like I said there, the 114,000 mile vehicle was not particularly subject to 'high end' maintenance...wrong oil and possibly regular gas. Sludge in valve covers is a giveaway. Plugs had only 60K on them and were foul foul fouled. Coked. Ran quite rough. New proper 4 prong plugs made it run veeery smmmmooth. Phew!
Only have about 120miles on the proper synthetic
oil and no visable leaks or consumption but after a trip and a shutdown, on re-start it puts out a pretty impressive cloud of blue/white smoke. Wife complains. Since I have only a couple weeks fooling with the thing I have limited knowledge of the exact internal engine assembly but does this suggest worn or aged valve seals??
If so, can they be replaced without pulling the heads?? (I could live with this if it stays like this) I have yet to find things like engine specs, drawings, instructions, torque specs and such.. Where can this be obtained particularly if I eventually have to get into the thing???
If things get bad, will a Chevy engine fit?
(hea, just kidding!!!) How can I check tranny oil?
Anybody know how to eventually locate a runout but not destroyed 4.4 that can be had for a rebuilt project?
Jan 11, 2005 (12:41 am)
Hmm...nobody home here in 24 hours. I have another problem! 740 doors are like on a tank. Figure I can squirt various oils and lubes on the hinges but think this vehicle should have a more reliable method to grease/lube the door hinges.. . Any thoughts??
Jan 11, 2005 (9:11 am)
Yes, it does sound like worn (or gummed up and hardened) valve seals and you should be able to fix them without pulling the heads---but it still won't be a cheap job by any means. You have to consider also that with the lesss than perfect maintenance that your valve guides are worn, and that will cost a considerable sum to rectify.
#155 of 832 740il ball joint wear
Jan 13, 2005 (8:42 am)
I bought a 02 740il in November with 52000 miles on it. The dealer is telling me that the rear ball joints are worn along with upper rear suspension links.Repair cost is $1250.This is my first BMW and my question is,is this the kind of quality I can expect from a $70000 automobile? If ball joints wear out at 52000 miles, what's next? I'm thinking about selling it and trying a Lexus. Any thoughts?
#156 of 832 Re: 740il ball joint wear [wahoo21]
Jan 13, 2005 (1:11 pm)
I thought the last 740il was in 2001.
For a first time BMW buyer, you may have to read more from this forum before you decide. I am about to get my 3rd beamer this weekend and information from this forum has been invaluable.
Although you are not paying $70K for the car, worn rear ball joints at 52K miles is not the norm. The wear and tear on a car depends on how it was used and/or maintained by previous owners.
My 2 cents...
Jan 13, 2005 (4:33 pm)
More like 80K miles for those, but as wabends said, it depends on who's driving and how he/she has treated the car.
If you want fewer repairs and less maintenance, statistically speaking, perhaps a Lexus would be a better bet for you, although once a Lexus DOES need a repair, it's not going to be appreciably cheaper than a BMW to fix.
#158 of 832 Re: 740il ball joint wear [wabends]
Jan 19, 2005 (10:34 am)
wabends an Mr. Shiftright,
Thanks for your responses- very helpful.
p.s. wabends, you are correct. hat was a typo on my part. My car is a 2001
#159 of 832 Mechanical Problems
Jan 25, 2005 (7:50 pm)
Hello everyone, I'm thinking about buying a 745i, but when I read Consumer Report,I have second thoughts. It seems as if the car will be in the shop more than I will be driving it. I know everyone is bias but can you tell me why I should get the 745i instead of an Acura TL, something that is more reliable.
Jan 25, 2005 (10:59 pm)
Because nothing drives like a 745. You have to jump from car to car in one day and you'll have your answer --- or if it isn't dramatically different for you than buy the TL!