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#1
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X5 E53 found my vacuum leak
Misfire on all 6 cylinders Lean on bank 1 and 2 Tested: Fuel pressure tested fine on rail Search for vacuum leaks... Spraying cleaner on this part revealed the leak. You can hear the idle increase when I spray near the back of the unit (closer to firewall): I assume this is unit is not supposed to leak air. Furthermore, when I removed it, I found the "flap" to be loose on one end. Not sure if this is expected or not. This part number 11617544805 known as the "adjuster unit", over $200. I assume I need to order a new one.
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2005 X5 3.0 6-spd. |
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#2
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If the pin is still there and the flap is still working, you can scrape off the o-ring that seals it to the intake manifold and replace it with a square cut o-ring. Don't remember the size of the square-cut O-ring but I believe some paintball gun uses the same square-cut O-ring.
None of the videos are working. Also, you mention that one end is loose, that's not a good sign especially if you are missing the pin. I wouldn't be driving the X until you find that pin. That pin can cause a lot of damage to the valves and head.
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2006 Infiniti G35 2001 BMW 3.0I E53 X5 Build date 08/2000 SOLD Lotus Europa 1970 Destroyed by fire Lotus Europa 1970 S2 Renault Powered Lotus Type 52 1970 Twincam Webers Powered PORSCHE 911 Targa 1982 The Garage Queen Audi Avant donated to Kars for Kids BMW 525IT Sold Audi 4000CS Quattro Sold Jensen Healey Lotus Powered Sold Opel 1900 Sold Triumph Spitfire 1971 Sold Triumph Spitfire 1968 Sold Plymouth "Cuda" 340 Six pack SOLD Last edited by upallnight; 05-18-2021 at 05:23 PM. |
#3
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You can usually repair DISA with a kit. I fixed my wife's with 20¢ of hardware. Search for awr-fix in title.
Definitely check for that pin.
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
#4
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I believe I have one I put a couple of moths driving on as I bought the repair kit, installed it and had the (New OE) upgraded DISA replaced for this one I have in a box in the barn.
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Sent via Telegraph Wires using my Morse Key. 2015 X5 xDrive35i MSport 2013 X5 xDrive35i |
#5
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Quote:
Not sure why videos aren't working. You can see the video what I'm talking about.
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2005 X5 3.0 6-spd. Last edited by racebmwm3; 05-19-2021 at 02:02 PM. |
#6
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You can seal DISA radially also. I use special Teflon tape that changes color under pressure so a couple test fits will determine if I have enough.
The starting fluid test is good to find vacuum leaks but I've heard best to use propane (won't drip into places that can cause a problem). Also, watch your O2 sensor reading real-time and you get a much more sensitive feedback vs. listen for RPM.
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
#7
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AWR-fix: repair DISA for 20¢
https://r.tapatalk.com/shareLink/top...ink_source=app
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
#8
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Quote:
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2006 Infiniti G35 2001 BMW 3.0I E53 X5 Build date 08/2000 SOLD Lotus Europa 1970 Destroyed by fire Lotus Europa 1970 S2 Renault Powered Lotus Type 52 1970 Twincam Webers Powered PORSCHE 911 Targa 1982 The Garage Queen Audi Avant donated to Kars for Kids BMW 525IT Sold Audi 4000CS Quattro Sold Jensen Healey Lotus Powered Sold Opel 1900 Sold Triumph Spitfire 1971 Sold Triumph Spitfire 1968 Sold Plymouth "Cuda" 340 Six pack SOLD |
#9
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Me, I would go to a Pick N Pull and buy a Genuine BMW part for under $10.00
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2006 Infiniti G35 2001 BMW 3.0I E53 X5 Build date 08/2000 SOLD Lotus Europa 1970 Destroyed by fire Lotus Europa 1970 S2 Renault Powered Lotus Type 52 1970 Twincam Webers Powered PORSCHE 911 Targa 1982 The Garage Queen Audi Avant donated to Kars for Kids BMW 525IT Sold Audi 4000CS Quattro Sold Jensen Healey Lotus Powered Sold Opel 1900 Sold Triumph Spitfire 1971 Sold Triumph Spitfire 1968 Sold Plymouth "Cuda" 340 Six pack SOLD |
#10
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Read my repair thread. Was 20 min. 20 ¢ repair
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
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air, leak, vacuum |
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