by admin on December 13, 2009
My 1999 BMW 528i is leaking transmission fluid. I was planning on driving from san diego to san francisco (500 Miles) on friday…should i get this fixed before i leave? and any ideas what could be wrong? thanks
So i should drive it on my trip and then fill the trans fluid?
drive the car on your trip first, then change the fluid just make sure it is topped off properly before you go. the reason is cause changing the fluid can sometimes be enough to cause the trans to fail completely leaving you stranded. the leak could be any number of things, probly a gasket or seal.
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Technorati Tags: 1999 Bmw 528i, Bmw, Bmw 528i, Bmw Transmission, Fluid Drive, Gasket, San Diego, San Francisco, Trans Fluid, Transmission Fluid
by admin on December 13, 2009
BMW problems… Please help!?
I have a 99 BMW 528i automatic with 77k miles… When I roll at 50mph and release gas pedal for a couple of seconds and then hit gas again the transmission hesitates a lot (feels like it makes 4-5 attempts) before slipping into the right gear. Also when accelerating from 0 when it reaches 50 mph it makes a growling noise before changing into the next gear. How bad is this problem?
Do you think I can use 3 instead of D? When I manually put in in 3rd, it doesn’t do that.
Also, another problem is when I am really low on gas (but still a couple of gallons left), when the empty light comes on, sometimes check engine light comes on too and the car shakes a little bit. What does that mean?
You might try having the transmission drained ,flushed and refilled and a new filter installed. and have them put a qt of good grade transmission cleaner in. I prefer TransX.
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by admin on December 10, 2009
I have been driving this used car for about 30k without any problems. Now there is squeaking, squealing noise coming from the belt area. I do see the 2 belts and thats where the noise comes from and its more when in Drive or Reverse (and stays at constant, same noise level). Should I just replace these two belts or could the noise be coming from something esle ? Also, should I take it to the BMW dealer or any good repair shop be able to diagnose, fix this problem ?
Thanks
a way to tell immediately if its the belt is to spray somthing like wd-40 or some lightweight spray oil at the belt while its running .. if it stops its the belt .. i’d replace it(them)
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Technorati Tags: 1998 Bmw 528i, 30k, Belts, Bmw, Bmw 528i, Bmw Dealer, Bmw E39, Esle, M52, Noise Level, Problem Thanks, Spray Oil, Wd 40
by admin on December 4, 2009
by admin on December 3, 2009
1. Does anyone know why BMW changed the final drive ratio from 4.10 to 3.46 from 9/99?
2. If I change mine (7/2000) from 3.46 to 4.10, what is the downside?
3. I use Dinan s/w and so the RPM limit is raised, please keep this in mind, in case it has a bearing on your answers. Thank you very much.
Thanks very much for that Vince.
Additional questions.
(1) Is it safe for the car to make this modification?
(2) I assume its a straight swop – how long would it take?
(3) The process is reversible, correct?
1. The pre 09/1999 models have a A4S 310R transmissions. The "4" in A4S refers to 4 forward gears. Post 09/1999 models have A5S 360R transmissions, ie 5 forward gears. This is also the same transmission installed on several other BMW models. The transmission gear ratios have changed hence the drop from 4.10 to 3.46.
2. Downside is subjective. 1st gear will be shorter nad most likely rendered useless. Top speed will be reduced as well. And in some of the gears, while cruising, you may rev a little higher.
3. Dinan transmission or engine s/w or both? The car will still shift as needed.
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