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Go Back   E46Fanatics > E46 BMW > E46 Convertible

E46 Convertible
The E46 vert forum. Talk about dropping your E46 top here.

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Old 02-22-2010, 02:02 AM   #1
handson
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Anyone know how to fill up the convertible pump with hydraulic oil?

Any pictures would be great if anyone has done this before. Mine is running low on my 325Ci convertible and I have to add some. I know the pump is in the trunk area on the drivers side but I don't know where to fill.

Thanks for helping out.




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Old 02-22-2010, 12:05 PM   #2
wtm2w
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send me your email and ill send you the procedure in jpgs
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Old 02-22-2010, 11:07 PM   #3
handson
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pm sent
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Old 03-02-2010, 11:37 PM   #4
handson
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Thanks wtm2w. Awesome pictures
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Old 01-16-2012, 12:51 PM   #5
fast2fresh
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adding fuild to E46 top

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Originally Posted by handson View Post
Thanks wtm2w. Awesome pictures
can you forward me the picture i need to know how to add fuild to my convertible top? my email is fast2fresh@yahoo.com
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Old 01-16-2012, 12:47 PM   #6
fast2fresh
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convertible top fuild

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Originally Posted by wtm2w View Post
send me your email and ill send you the procedure in jpgs
Hello can you please send me pic on the procedure on how to add fuild? my email is fast2fresh@yahoo.com, thank you for your help.
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Old 09-30-2012, 10:21 PM   #7
klixtokw
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send me your email and ill send you the procedure in jpgs
WTM,
can you please send me the same pics i seem to have the same problem! I will send you my E-Mail.
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Old 06-01-2013, 10:47 AM   #8
smellvetica
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Have you got the pics there chaps? Having the same problem. Thanks
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Old 06-01-2013, 11:34 AM   #9
taylor192
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Re: Anyone know how to fill up the convertible pump with hydraulic oil?

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Originally Posted by smellvetica View Post
Have you got the pics there chaps? Having the same problem. Thanks
If the operation is slow it's because the fluid is low.
If the fluid is low you have a leak somewhere.

You can fill the pump yet you're going to have to keep filling it unless you find and fix the leak.

Search for a DIY to change the pump, it also explains how to fill the pump. It's very easy once you have access to the pump. There is just one hex screw to remove to add or drain fluid. It looks like an oil drain plug.

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Old 06-01-2013, 12:47 PM   #10
TopHydraulicsInc.com
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Thumbs Up Refilling the hydro unit, fluid, pump rebuild, finding the leak

smellvetica,

indeed, the reason for the top moving slowly is usually a low fluid level. As taylor192 correctly states, you need to find the source of the leak if the fluid level is low. The fluid doesn't evaporate...

Here is the fluid management DIY that gbakerkingston posted a while ago:
http://forum.e46fanatics.com/attachm...1&d=1317591109.

Acceptable fluids outside of the overpriced BMW fluid are:
FeBi 02615 (same as BMW fluid, but much cheaper, for example at http://www.rmeuropean.com/Part-Numbe..._D18BD03A.aspx)
Mercedes fluid A0009899103 (same as FeBi and BMW fluid, also sometimes referenced as p/n 000989910310)
Pentosin CHF-11S (available in some parts stores)
Aral Vitamol ZH-M (in Europe)

There is also a good DIY on pump removal on the web. I cannot find it right now - hope somebody can place a link here.

If it were the bow tension cylinders that are leaking, then you would have already found the fluid dripping onto the tonneau cover. You could also have a main lift cylinder or a tonneau cover lift cylinder leaking, or one of the lines going to the cylinders. The lines we find to be damaged most frequently, are #23 going from the valve block near the left main lift cylinder to the right main lift cylinder (taylor192 wrote an awesome DIY for its replacement http://www.tophydraulicsinc.com/e46line23guide.pdf) and line 34 going to the left bow tension cylinder. The good news is, all of these parts can be replaced in DIY, and cylinder upgrades from Top Hydraulics are much cheaper and better than new parts from the dealer.

Top Hydraulics now manufactures all the small lines going to the cylinders, and we can even replace lines that are crimped onto the cylinders.

Lastly, the pump can burn out if it operates on low fluid for too long. Top Hydraulics also rebuilds convertible top hydraulic pumps (http://www.tophydraulicsinc.com/en/b...ulic-pump.html), but you want to avoid that expense...

Klaus

http://www.tophydraulicsinc.com/en/56-bmw-e46
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Some BMW E46 hydraulic cylinders, pumps, and valves that we rebuild and upgrade at Top Hydraulics:
54347025593
54347025600
54347025599
54348236956
54348243269
5434-8234530 (hydro-unit)
54347025592 (control unit)
54347025598 (improved hoses manufactured at Top Hydraulics)
http://www.tophydraulicsinc.com/en/56-bmw-e46
www.tophydraulicsinc.com

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Old 04-17-2011, 10:20 AM   #11
egruber
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I never heard of this one. How do you know it needs fluid? Where is it checked? Thanks!
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Old 05-06-2011, 12:03 AM   #12
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+1,

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I never heard of this one. How do you know it needs fluid? Where is it checked? Thanks!
Where is this container? What fluid does it take?
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Old 05-06-2011, 02:38 AM   #13
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i think you should post the pictures, and the mods can make it a sticky
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Old 05-06-2011, 10:08 AM   #14
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post the pics!
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Old 05-06-2011, 12:39 PM   #15
E46-Cabrio
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Here's the E46 Convertible Top pdf file.

Read page 6.

and online repair manual LINK
Attached Files
File Type: pdf E46ConvertibleTop.pdf (750.2 KB, 1337 views)

Last edited by E46-Cabrio; 05-06-2011 at 12:46 PM.
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Old 09-30-2012, 10:07 PM   #16
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Originally Posted by E46-Cabrio View Post
Here's the E46 Convertible Top pdf file.

Read page 6.

and online repair manual LINK
E46 PAGE 6 DOES NOT SHOW YOU HOW TO FILL IT DIRECTSYOU TO A REPAIR MANUAL. iS IT POSSIBLE TO BE ON THE LOW MARK EVEN THOUGH YOU HAVE NO LEAKS? iS THERE A WAY TO MEASURE THE PRESSURE GENERATED BY THE PUMP TO SEE IF IT MEETS THE MINIMUM? mY TOP GOES UP AND DOWN COMPLETELY AS LONG AS I HELP IT ON THE START OF LOWERING AND RAISING THEN IT WILL COMPLETE THE CYCLE COMPLETELY BUT IT SEEMS SLOW. iTS LIKE THE LOWERING OR RAISING MOTOR DO NOT DEVELOP ENOUGH FORCE TO DE THE JOB.
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Old 05-06-2011, 04:46 PM   #17
Manza
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Thanks!
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Old 05-06-2011, 06:59 PM   #18
Bookedup
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E-46 Cabrio, Do you know if they ever changed anything through the production year ending 2006, with regard to the manual? It appears it was produced in 2000. Thank you for posting it.

Rob
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Old 05-06-2011, 11:51 PM   #19
E46-Cabrio
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E-46 Cabrio, Do you know if they ever changed anything through the production year ending 2006, with regard to the manual? It appears it was produced in 2000. Thank you for posting it.

Rob
I don't think so, all the hydraulic pumps are the same 318CI-M3, 2000-2006.
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Old 05-06-2011, 09:04 PM   #20
tooredhots
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anyone know how full the clear container should be? My container is more than 3/4 full I am not sure how to fill it.
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