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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > M Series > E39 M5 (1998-2003)

E39 M5 (1998-2003)

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  #1  
Old 09-08-2013, 04:35 PM
byrondonis26 byrondonis26 is offline
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Location: chicaco illinois
 
Join Date: Mar 2013
Posts: 38
Mein Auto: 2001 540i/6 1990 300zx
i need some advice am about to buy a m5 and i have some question please help !!!!!

so am about to buy a 2000 m5 with 12000 miles it hads the service engine on and the traction control is not working the light is on and the abs the guy say it need to replace like a wired and he hads it and the service engine light should turn off, I don't think so could this be possible? why is the abs light on too?? the pedal feel a lot harder then my 2001 540i is it normal?? also the shifting is kind hard to, he also change the I don't know the name of it is a square next to the engine with a bunch of metal tubes coming down next to the engine, also
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  #2  
Old 09-08-2013, 04:42 PM
byrondonis26 byrondonis26 is offline
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Location: chicaco illinois
 
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Mein Auto: 2001 540i/6 1990 300zx
https://encrypted-tbn2.gstatic.com/i...EQYSYwDZdSzf1a those 2 round things what do they do?? what are they for?? the one on the left he said I need to change the filter cause is leaking is hads grease all over

Last edited by byrondonis26; 09-08-2013 at 04:44 PM.
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  #3  
Old 09-14-2013, 02:44 PM
ard ard is offline
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Location: CA
 
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Mein Auto: '12 X5 35d/E39M5/996TTX50
You are a fool if you buy this.

Could be major issues, check engine light, ABS issues, can be major. Can be minor too.

The SELLER is telling you what you want to hear- 'minor issue, just needs XYZ'...let me ask: IF IT WAS SO EASY WHY DIDNT HE FIX IT?!?!?

The answer is that he tried a bunch of stuff, he is an idiot and/or the car is seriously screwed up, and he is giving up and selling it.

m5board.com for everything M5
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  #4  
Old 09-24-2013, 03:51 PM
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mark_m5 mark_m5 is offline
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Mein Auto: 2002 M5, 1999 M Roadster
Have him fix the issues. Have the car checked by a mechanic.

Never buy a car (regardless of make/model) that has a "check engine" light on.
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Old 09-24-2013, 06:18 PM
ard ard is offline
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Mein Auto: '12 X5 35d/E39M5/996TTX50
Quote:
Originally Posted by mark_m5 View Post
Have him fix the issues. Have the car checked by a mechanic.

Never buy a car (regardless of make/model) that has a "check engine" light on.
To expand...

this isnt just a 'oh those guys are being nervous nellies'.

A CEL can me many things. It is always an 'error' that MAY be causing the engine to increase emissions. It is part of the US law that IF one of these errors is detected, the light must illuminate.

Then problem is that the error or code does not NECESSARILY point to the wrong part.

Case in point is a "bad cat" code. Could be a bad cat, COULD be an overly rich motor swamping the cats and triggering the code when the post O2 cat sees rich fuel laden air. it could be the vanos, a bit sluggish on the cam advance.

Another classic is "O2 sensor codes"..could mean bad sensor- but could also mean 'values at the sensor out of range', and THAT could be due to many things.

The point is simply that NOBODY can definitively diagnose a car based on the code- hence you have no idea what is really wrong nor how much it will cost to fix. Like a bad vanos solenoid board costs you $1200, and the seller said "oh, yeah that CEL?- the mechanic said it was because the gas cap wasnt tight."

Anyway, on the E39 M5 I think I can say with some authority that I know the car pretty well.... and a CEL can be simple or an utter nightmare.

GL
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