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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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Old 02-26-2012, 04:53 AM
RYANO_1 RYANO_1 is offline
Location: Orlando
Join Date: Jan 2009
Posts: 31
Mein Auto: 98 540i
Lightbulb Cooling System Parts Diagram 3/98 E39 M62 Engine 540iA

I do not know if any of you may be aware of this but my poor 540i has been sitting in the driveway for almost 6 months like some Redneck Lawn Ornament....Everyday I have been scouring this forum for some very specific diagrams so I do not pull the engine apart and find that I am too lost to put it back together. (BTW, thank you BlueBee and Cn90 for your in depth DIY's and info). I wanted to share what I just ran across about 3 min ago.
www.RealOEM.com I plugged in the last 7 of my vehicle VIN and selected Cooling System and I received all this wonderful information. Part numbers, diagrams..*****!
Just to let you know where I stand in terms of my neglect of my baby (540i not child),
1. I have to replace 4 window regulators,
2. Radiator replacement
3. HVAC blower Fan Replacement (FSU already switch but no joy).
4. Most importantly electrical system short of some sort. Symptoms, instrument cluster froze while driving 60 MPH, the lights stayed on but no interference with propulsion of the vehicle. When I turned the vehicle off, the instrument cluster stayed in frozen as if I was still cruiz'n at 60mph. I have deduced that while testing the FSU I noticed that prong #2 which should have been a ground (if I can recall correctly) what HOT! It shock the hell out of one of my friends. I am hoping I can resolve this when I replace the Blower motor.
I will post photos of my radiator adventure if it will help anyone with a 98 540iA.
One last question: If I own a 3/98 E39 M62 540iA with factory SPORT package, do I look at parts for the "sport" version of my vehicle or is that only for manual transmission 540's?
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Last edited by RYANO_1; 02-26-2012 at 02:21 PM. Reason: too many photos
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Old 02-26-2012, 02:32 PM
RYANO_1 RYANO_1 is offline
Location: Orlando
Join Date: Jan 2009
Posts: 31
Mein Auto: 98 540i
diagrams with parts list/price

here are the same attachments from the original post but with prices and part numbers. The great thing is these are all VIN specific.
Attached Files
File Type: pdf E39 540i Expansion tank frame.pdf (132.2 KB, 320 views)
File Type: pdf E39 540i Expansion Tank.pdf (143.3 KB, 325 views)
File Type: pdf E39 540i Radiator Frame.pdf (111.0 KB, 231 views)
File Type: pdf Oil Cooling system.pdf (107.1 KB, 252 views)
File Type: pdf 540i Transmission oil cooling.pdf (142.8 KB, 413 views)
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3/98 e39, 540ia, cooling system diagrams

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