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1997 SL320, 1998 230SLK Kompressor, 2005 C230 Kompressor Coupe, 1995 C220 Sedan, 1995 BMW 325i Conve
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15 Posts
Discussion Starter #1
Three dealers gave me 3 different answers- 1. Under spare in trunk. 2. Under back seat cushion 3.Rear side panel to the right of rear seat. Have only looked under spare and cannot find it. Also one dealer said "DON'T OPEN IT YOURSELF" because of extremely high pressure. Is there a trick to opening it should I ever locate it? Thanks.
 

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1995 E320 Cabriolet, 2007 E350 Sport P2, 1995 E420
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406 Posts

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1993 300E, 2003 996 Turbo X50
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624 Posts
I would only use the fluid from the dealer, $12 a liter or so, or maybe it was $22 a liter. Anything else is risking the seals.
 

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About a dozen 1988, 1989, 1990, and 1991 sedans, wagons, 4Matics and 1 coupe
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5,466 Posts
Quote "dealer said don't open it yourself."

Typical $tealer BS.
 

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99-C43, 05-G55K, 71-280SL, 94-E320 CAB
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2,282 Posts
I would only use the fluid from the dealer, $12 a liter or so, or maybe it was $22 a liter. Anything else is risking the seals.
Febi fluid has MB part number and it's about $9.00 per liter
 

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1993 300E, 2003 996 Turbo X50
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624 Posts
Awesome, I knew there was somewhere else to get ZH-M. Needed it in a hurry and paid the price last time.
 

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'03 SL Kleemann, 1997 SL320 Pano Top, Tesla Model X
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661 Posts
Why do you have to add hydraulic fluid?

Folks, please remember that hydraulic leaks in the convertible top system only get worse, not better. If you have hydraulic fluid leaking, there is most likely one or more seals in the cylinders disintegrating. Fix it before you have a big mess at your hands; the cylinder upgrades/rebuilds are only $50/cylinder.

In any case, do NOT use 'stop-leak' products; they will kill all your cylinder seals together by softening them up. The Polyurethane used in the cylinders' main seals is particularly susceptible to swelling and turning into jelly if you use those additives. You may get short-term relief, but in all the cases I know of, it resulted in catastrophic failure soon thereafter.

Just for fun, below is the picture of a 'no-leak' additive victim...
 

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