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E34 (1989 - 1995)

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  #26  
Old 05-17-2011, 01:16 PM
beatbrains beatbrains is offline
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Location: Miami
 
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Mein Auto: 97' 3128i & 94' 540i
Hey I have a 1994 540i bmw...I posted a trend about my problem...Im new to the fest...I just wanted to get confirmation on my hunch...Can a faulty or bad Coolant Temp Sensor and or fuse cause the car to not start/turn over?
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  #27  
Old 05-17-2011, 01:52 PM
BMR_LVR's Avatar
BMR_LVR BMR_LVR is offline
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Location: Asheboro, NC
 
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Mein Auto: 1992 525i
While a bad coolant temp sensor can cause a no-start, it is not a common issue. It would not cause the engine to fail to turn over.

Regarding the fuse, you don't specify which one. Some that fail can definitely cause the engine to not start.

Diagnosing no-start situations can be difficult and lengthy. The best approach is to think about which system is likely the problem and rule them out or in.

Usually check fuel supply first. It could be out of gas, have a clogged fuel filter, failed fuel pump relay, failed fuel pump, failed fuel pressure regulator (not common).

It could be an electrical problem such as a bad battery, bad alternator, failed DME relay, failed crankshaft position sensor (very common), failed coil(s), bad spark plugs, failed DME and the list goes on.

I don't mean to sound trite, but the best thing to do is get either a hard copy of the Bentley manual or the downloadable version in PDF format. Start reading about how to troubleshoot to find your system that has failed and then narrow it down. If you don't have a lot of mechanical skills, then I suggest you take it to a reputable independent BMW mechanic.

Keep an eye on your original thread and I'm sure others will chime in as well.

Good luck and we will do all we can to assist you.

Steve

EDIT: I did not see a thread on the E34 forum and had to search for the thread and found it on the member welcome page. Please re-post the E34 portion in the E34 section.
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Most problems are usually something simple !

Quote:
Originally Posted by noego View Post
It's Deja Poo - as in, I've heard this **** before.
Steve

Calypso Red 1992 525i with 200K miles

1991 735i - Sold
1992 525i - Sold
1995 325is - Sold
2000 528i - Sold


Last edited by BMR_LVR; 05-17-2011 at 01:56 PM.
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  #28  
Old 05-17-2011, 03:50 PM
beatbrains beatbrains is offline
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Mein Auto: 97' 3128i & 94' 540i
okay thank you. I will repost. I found a mechanic in the area who works on BMWs. Hopefully he can help. The other mechanic checked mostly all those things. He said that the crank sensor was bad and replaced that. also replaced the fuel pump relay. he mentioned something about spark & injector pulse not being present...and my cooling temp sensor actually checked out. I think he is suggesting i do a electrical overhaul
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  #29  
Old 05-24-2011, 12:03 AM
bimmerartist bimmerartist is offline
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Mein Auto: Accord
Guys,

Guide me which Bimmer should I buy....
I am not very handy in car repairs but some time I try to be and enjoy it.
Now as I am working from home so had enough time to do these kind of things. I want to buy a BMW which can be customized (body-wise) looks nice, I am not racer but love to quick pick.
Basically by looking outside, I like more 5 series ....

As I am new, so suggest me which bmw should I buy to start and customize its exterior by-myself. I have not much budget. I am thinking of spending 2000 - 4000 on car (would love to spend 1000$, if i can get some reliable piece) and can spend 2000$ more on customization.

Thanks.
Edit: I also cannot afford to go to dealer for maintanice. So would prefer to do myself, no matter how much time effort it takes if it is possible or will go to local shops not dealer. I want to do work on it by myself. So looking first which is easy to start for first project car.

Actually I am trying to decide to select 5 series vs 3 series, which are easy to handle maintained wise. And then which year is more good. I looked e34 people are selling around 2k to 3k but all have some problems. So should I look more newer modal like above 2000 year?
Thanks.
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  #30  
Old 06-19-2011, 06:56 PM
5litre bimmer 5litre bimmer is offline
1989 bmw 525i+mustang=FUN
Location: Langley BC
 
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Mein Auto: 1989 bmw 525i
sunroof stuck..sorda

hello... i have a 1989 bmw 525i the sunroof will only raise the back part up... when i try to push the button to slide it back it will only move a little... best way to describe it is it will begin to slant to slide under... but gets stuck and when i keep trying to push the button u just hear a click.. tried manually doing it with alan key ud have to really ream on it and would most likely break something.. any ideas and help would be much appreciated!!
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  #31  
Old 06-19-2011, 08:57 PM
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BMR_LVR BMR_LVR is offline
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Location: Asheboro, NC
 
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Quote:
Originally Posted by 5litre bimmer View Post
hello... i have a 1989 bmw 525i the sunroof will only raise the back part up... when i try to push the button to slide it back it will only move a little... best way to describe it is it will begin to slant to slide under... but gets stuck and when i keep trying to push the button u just hear a click.. tried manually doing it with alan key ud have to really ream on it and would most likely break something.. any ideas and help would be much appreciated!!
Thanks for asking me. However, unfortunately, I don't have any experience working on malfunctioning sunroofs. I hear they are a real bear to fix.

May I suggest you make a new thread of this question on the forum. I feel you will get some good responses there.

Steve
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Most problems are usually something simple !

Quote:
Originally Posted by noego View Post
It's Deja Poo - as in, I've heard this **** before.
Steve

Calypso Red 1992 525i with 200K miles

1991 735i - Sold
1992 525i - Sold
1995 325is - Sold
2000 528i - Sold

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  #32  
Old 07-15-2011, 05:19 AM
Toyotalover Toyotalover is offline
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What do you know about 320i 1991? I'm a Toyota lover, bewitched by the fine BMW lines. What should a prospective buyer look out for - and how cheap is too cheap?
Amber
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  #33  
Old 07-19-2011, 04:39 AM
kiss77 kiss77 is offline
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Nice information......
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E34 1991 M50B20 I6 225K STILL NOT INJURED
Spies - Super Deep Black
Zender Front - Rear - Side Skirts
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  #34  
Old 08-17-2011, 01:31 PM
tjd89 tjd89 is offline
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Mein Auto: 1991 525i M RHD
I have a 91 525i m series and all my door locks work except my drivers side one for some reason i can lock every other door except the drivers side when outside the car however when the car is running i am able to lock the drivers side door at any time anyone have any ideas as to how to fix this or if its a fuse or power delivery to the drivers side door?
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  #35  
Old 09-01-2011, 07:11 AM
bornabimmerfan bornabimmerfan is offline
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Mein Auto: 1994 530i
i have a radiator fluid smell inside the car when a/c is on anybody know what that is

thank you
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  #36  
Old 09-01-2011, 08:26 PM
ChiTownTY ChiTownTY is offline
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There are more members here that make one post and are never heard from again than any other forum.
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  #37  
Old 09-06-2011, 07:57 AM
dansr dansr is offline
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Mein Auto: 2002 540i Sport 6Spd
I know this post is older, but thought I would respond just in case. I was having the same problem and was given the same diagnosis. Turns out that my ignition switch was sticking when I turned it off. A little WD40 in the switch, about 20 on/offs, another squirt of WD40 and 20 on/offs and boom baby, no more sticking switch, no more drained battery.

Hope that helps.
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Northern Virginia
--
Former Volvo Enthusiast

2002 540i 6 spd, Sports Pkg
Mods so far:
Redline MTL in tranny | Redline 75W90 in diff |
05/545i short shifter | Weighted selector rod |
CDV Delete | Zionsville Cooling Solution
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  #38  
Old 09-07-2011, 01:04 AM
Ben'sE38 Ben'sE38 is offline
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How much does a complete Cooling system overhaul cost with the parts & average labor costs? I would be bringing mine to a mechanic.
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  #39  
Old 09-07-2011, 04:46 PM
gmnmsclM540i's Avatar
gmnmsclM540i gmnmsclM540i is online now
545i pilot
Location: a dusty hole
 
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Mein Auto: e60 545i e34 540 e32 740
Quote:
Originally Posted by ChiTownTY View Post
There are more members here that make one post and are never heard from again than any other forum.
thats an interesting theory.
p.s. - sorry to add yet another completely useless post to this otherwise excellent thread.
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  #40  
Old 09-22-2011, 05:45 PM
green95 green95 is offline
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Location: lacombe
 
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Mein Auto: 1995 bmw 525i touring
engine change

i was wondering if i could put a v12 in my 95 2.5 liter
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  #41  
Old 09-22-2011, 08:09 PM
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miles_trail miles_trail is online now
I like pie.
Location: Lexington, VA, USA
 
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Mein Auto: 96 318ti, 93 BMW 325IS
^ Coming from the 3er side of things where we consider engine swaps common things to do when bored, I say yes, you can put any engine in any ting if you want to badly enough and don't mind spending the money.

Now, on to my silly question:
I drive a 325IS which I love and is fantastic in nearly every way, one of it's short coming however, is cargo capacity and since I spend a fair number of weekends in a kayak or a canoe I find myself want a second, larger, car. I've been looking at buying an E34 525i touring but was dismayed to find out that here in the states they are only available with the GM slush boxes so I am wondering if a 5 speed Getrag transmission from a 3er will work?. I have a 5 speed from a 318IS and I am assuming that since the 318IS and 325IS use the same transmissions, and the 325IS and 525IT use the same engine, that the swap should be fairly straight forward. I would appreciate your insight and suggestions, and I look forward to hopefully adding an E34 to my driveway.
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  #42  
Old 09-23-2011, 12:17 PM
green95 green95 is offline
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Mein Auto: 1995 bmw 525i touring
im having some problems with lights and other electronics such as my reversing lights not working and the rear windows not rolling down, shifter lights not working some of the instrument panel isnt working either is this all one problem or a multitude? and how can i fix it?
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  #43  
Old 09-23-2011, 06:42 PM
wisbimmer20 wisbimmer20 is offline
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1995 BMW 530i
1995 BMW 525i
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  #44  
Old 09-24-2011, 04:14 PM
green95 green95 is offline
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i thought joining this forum would be helpful
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  #45  
Old 09-24-2011, 04:33 PM
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BMR_LVR BMR_LVR is offline
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Location: Asheboro, NC
 
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Quote:
Originally Posted by green95 View Post
i thought joining this forum would be helpful
It certainly can be. It is better to post a question on the general forum rather than a sticky dedicated to common medhcanical problems.

In regards to your questions, there are a lot of things that it could be. The electrical systems on these cars can be a bear when they reach the age of our E34's. Reverse lights not working is usually a problem with the wiring in the loom running along the left trunk hinge. Expose the wires and take a look for any that are frayed or worn through. The rear windows not rolling down could be a fuse, switch, window motors, regulators, etc. We have to have more information as to what happens when you press the switch. You may need a new instrument panel or there may be a bad connection or one of your fuseable links may be bad etc., etc.

Don't take Wis's comment too personal. We just need more info to help. It may be good to address each problem one at a time.

Oh, and yeah, you need to grow just a little thicker skin. Most of the guys around here are really great to chat with for ideas.

Welcome. I hope I have helped a little. Try posting a question about one problem on the E34 forum (note the sticky thread) and see what kind of responses you get.

Steve
__________________
Most problems are usually something simple !

Quote:
Originally Posted by noego View Post
It's Deja Poo - as in, I've heard this **** before.
Steve

Calypso Red 1992 525i with 200K miles

1991 735i - Sold
1992 525i - Sold
1995 325is - Sold
2000 528i - Sold

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  #46  
Old 10-04-2011, 10:15 AM
green95 green95 is offline
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Location: lacombe
 
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Mein Auto: 1995 bmw 525i touring
i have another question. are the instrument panel hook ups the same on the 1990 525i as the 95's?
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  #47  
Old 10-04-2011, 10:21 AM
BMR_LVR's Avatar
BMR_LVR BMR_LVR is offline
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Location: Asheboro, NC
 
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Posts: 5,264
Mein Auto: 1992 525i
I'm sorry, but I don't know for sure. I would think that it is more likely than not that they will match up, but can't say with any certainty.

Steve
__________________
Most problems are usually something simple !

Quote:
Originally Posted by noego View Post
It's Deja Poo - as in, I've heard this **** before.
Steve

Calypso Red 1992 525i with 200K miles

1991 735i - Sold
1992 525i - Sold
1995 325is - Sold
2000 528i - Sold

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  #48  
Old 10-04-2011, 03:16 PM
green95 green95 is offline
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Location: lacombe
 
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Mein Auto: 1995 bmw 525i touring
ok thanks i guess i could just check i didnt really want to tear my car apart being new to this and all
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  #49  
Old 10-07-2011, 04:09 PM
green95 green95 is offline
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Location: lacombe
 
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Mein Auto: 1995 bmw 525i touring
this isnt really a mechanical question but im going to ask it anyway. does anyone know what a used 5 speed out of a 1990 525i is worth?
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  #50  
Old 10-07-2011, 04:29 PM
BMR_LVR's Avatar
BMR_LVR BMR_LVR is offline
Humble E34 lover
Location: Asheboro, NC
 
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Posts: 5,264
Mein Auto: 1992 525i
Whatever you're willing to pay for it

My guess would be $300-$500 if purchased from an individual, maybe a little more from a company that sells used trannys. If you can find the right salvage yard, perhaps $100-$150.

BTW, this is the type of question that would probably get more responses from general E34 forum. I want you to have the benefit of the knowledge of everyone here. I don't know that they check this thread much anymore.

Steve
__________________
Most problems are usually something simple !

Quote:
Originally Posted by noego View Post
It's Deja Poo - as in, I've heard this **** before.
Steve

Calypso Red 1992 525i with 200K miles

1991 735i - Sold
1992 525i - Sold
1995 325is - Sold
2000 528i - Sold

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