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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 5 Series > E39 (1997 - 2003)

E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki

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  #26  
Old 02-18-2011, 12:41 PM
pleiades pleiades is offline
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Mein Auto: '99 528i, M52TU w/stick
OK, just got my $2.50 version from PelicanParts.com. It measures approx. 50 mm internal diameter (with me trying to get it to stay in a perfect circle) and is 3.2 mm thick, so about 56 mm OD, give or take a few tenths ...



..... And it's green .......
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  #27  
Old 02-19-2011, 05:17 AM
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gtxragtop gtxragtop is offline
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I hope you did not use silicon grease on the DISA O-ring. Silicon will kill the O2 sensors.
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  #28  
Old 02-19-2011, 09:07 AM
pleiades pleiades is offline
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Ditto, if you use any kind of lubricant, it needs to be sensor-friendly stuff. I think a few drops of engine oil would be adequate for this application.
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  #29  
Old 02-19-2011, 09:18 AM
fhs2000 fhs2000 is offline
2000 528i e39
Location: texas
 
Join Date: Feb 2011
Posts: 17
Mein Auto: 2000 528i
Quote:
Originally Posted by gtxragtop View Post
I hope you did not use silicon grease on the DISA O-ring. Silicon will kill the O2 sensors.
Quote:
Originally Posted by pleiades View Post
Ditto, if you use any kind of lubricant, it needs to be sensor-friendly stuff. I think a few drops of engine oil would be adequate for this application.
used the grease that goes in my grease gun, and as thin a coat as I could spread it. It's work on o-rings for the last 17+ years.

However; I did add a 3.5mm input on my 4/2000 C43 Business radio/cassette. If anyone would like to do this on their C43 head unit. If anyone else wants to try this PM me.The sound quality is great coming from my iphone. There is very SLIGHT noise when car charger is plugged up, but with volume up and car running you will here very little of it.
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  #30  
Old 02-19-2011, 09:58 AM
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bmw_n00b13 bmw_n00b13 is offline
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Location: Cambridge, ON
 
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Mein Auto: 99 528iA
P1189 sounds like O2 sensor to me. Single bank too lean plus 100k miles = O2 sensor. Their book life is 100k miles, so it's time to do the pre-cats anyways. Post cats are only decorative.
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  #31  
Old 02-20-2011, 09:29 AM
fhs2000 fhs2000 is offline
2000 528i e39
Location: texas
 
Join Date: Feb 2011
Posts: 17
Mein Auto: 2000 528i
Quote:
Originally Posted by bmw_n00b13 View Post
P1189 sounds like O2 sensor to me. Single bank too lean plus 100k miles = O2 sensor. Their book life is 100k miles, so it's time to do the pre-cats anyways. Post cats are only decorative.
thanks. i was just thinking about the o2 sensors last night. planning on replacing both pre-cat ones even though the y past inspection they do have almost 98,000 miles on them.They are probably sluggish and starting to get fouled to say the least.

what brand do you use on yours? I would assume Bosch(as bad as I hate using that brand on American cars) would be OK for a German car.

Also, my gas mileage seems to be 11.9-15 MPG around town. This is according to OBC on dash. When I was doing the test driving on the interstate said 20.84 MPG.
This sounds a little low for this engine.

Last edited by fhs2000; 02-20-2011 at 09:32 AM.
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  #32  
Old 02-20-2011, 02:44 PM
poolman poolman is offline
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Have you gotten to the back of the engine to check the 2 vac hoses yet?
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  #33  
Old 02-21-2011, 10:56 AM
fhs2000 fhs2000 is offline
2000 528i e39
Location: texas
 
Join Date: Feb 2011
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Quote:
Originally Posted by poolman View Post
Have you gotten to the back of the engine to check the 2 vac hoses yet?
Yes. They feel ok and visibly look ok.

However; the return hose, that runs on the top of the intake distribution manifold, insulation is brittle and dissolves when it touch it. The hose feels hard and brittle but no visible cracks.

I took carb cleaner and sprayed top of intake area again and engine revved. I'm replacing the intake distribution o-rings this week. If that doesnt fix it i will replace the return hose.

I put new intake throttle/icv boot on last night and noticed a small change but there is definitely another small/medium vacuum leak. As soon as I get the money the CCV valve and hoses are getting replaced.

My belts and tensioners/idler pulley should be here tomorrow. Cant wait to get those on. The main belt is cracked and about to give in lol.

Got a lot of other things going on this week so I may be slow to reply back, but I will post back after above work gets done. Thanks
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  #34  
Old 02-21-2011, 04:08 PM
poolman poolman is offline
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That CCV and all is probably needing changing. Get all the vac issues out of the way before you change out the
Vanos seals.
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  #35  
Old 02-21-2011, 07:40 PM
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bluebee bluebee is offline
Seek to understand,^Value
Location: San Jose, California
 
Join Date: Mar 2008
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Mein Auto: 02 BMW 525i M54 auto 130K
Quote:
Originally Posted by poolman View Post
That CCV and all is probably needing changing
If you need ccv DIYs, these are in the VERY best of E39 Links
- CCV FAILS: crankcase ventilation valve diaphragm tears, freezes (1), &/or clogs (1), necessitating CCV replacement (M54,M54,M54) (M52,M52) (M52TU) (M62,M62) ('99 528i) ('98 528i); raising pressures, often causing the OFH oil filter housing to leak (1) (2) (3); frequently blowing the VCG valve cover gasket (1); and sometimes the head gasket (1) (2); often causing vacuum leaks (1) (2) (3)
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  #36  
Old 02-23-2011, 06:53 AM
fhs2000 fhs2000 is offline
2000 528i e39
Location: texas
 
Join Date: Feb 2011
Posts: 17
Mein Auto: 2000 528i
Quote:
Originally Posted by poolman View Post
That CCV and all is probably needing changing. Get all the vac issues out of the way before you change out the
Vanos seals.
Quote:
Originally Posted by bluebee View Post
If you need ccv DIYs, these are in the VERY best of E39 Links
- CCV FAILS: crankcase ventilation valve diaphragm tears, freezes (1), &/or clogs (1), necessitating CCV replacement (M54,M54,M54) (M52,M52) (M52TU) (M62,M62) ('99 528i) ('98 528i); raising pressures, often causing the OFH oil filter housing to leak (1) (2) (3); frequently blowing the VCG valve cover gasket (1); and sometimes the head gasket (1) (2); often causing vacuum leaks (1) (2) (3)

thanks. I plan on changing CCV and vacuum hoses next. It may be a week or two cause I have to find the money to do it and wait on parts to be shipped online.

I do have a slight leak at back of oil filter housing/vanos oil line and valve cover has a very slight leak on passenger side center.
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