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  #21  
Old 09-03-2020, 11:10 AM
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Yes... 90 seconds of whirring. Then it shuts down!!! I'll order the cheap knock off and see how long it lasts. Car is a 2003. Just got new front half axels, new tie rods, new brakes and rotors and new tires. Oh and new belts and pulley in Jan. It's like new except for the leaking valve cover gasket.
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1977 Ferrari 308 GTB
1994 Ferrari 348TS Speciale #14/15
1989 Ferrari Testarossa
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  #22  
Old 09-03-2020, 11:40 AM
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A quick eBay search showed used sap and valves available for a reasonable price. I've not read good things about the cheap aftermarket ones, but have no personal experience with them either.

Here is a rundown of the secondary air system for anyone interested.

https://bimmertips.com/what-does-the...y-air-pump-do/
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2005 X5 4.4i Build 04/05 Maintenance/Build Log
Nav, Pano, Sport (Purchased 06/14 w/ 109,000 miles) (Sold 8/15 w/121,000 miles)


2006 X5 4.8is Build 11/05 Maintenance/Build Log
Nav, DSP, Pano, Running Boards, OEM Tow Hitch, Cold Weather Pckg (Purchased 08/15 w/ 90,500 miles)

2010 X5 35d Build 02/10
Nav, HiFi, 6 DVD, Sports Pckg, Cold Weather Pckg, HUD, CAS, Running Boards, Leather Dash, PDC, Pano (Purchased 03/17 w/ 136,120 miles)
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  #23  
Old 09-03-2020, 01:47 PM
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Thanks. I considered that, but I think a used one from a car with 200k miles is probably on the verge of going. $50 shipped, I'll try the cheap one. I don't see much downside. Not like it's a timing belt.
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1977 Ferrari 308 GTB
1994 Ferrari 348TS Speciale #14/15
1989 Ferrari Testarossa
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  #24  
Old 09-03-2020, 04:06 PM
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Quote:
Originally Posted by Meestahbig View Post
Thanks. I considered that, but I think a used one from a car with 200k miles is probably on the verge of going. $50 shipped, I'll try the cheap one. I don't see much downside. Not like it's a timing belt.
Sound logic. Keep this thread updated with which one you get and its longevity. More options are always good.
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2005 X5 4.4i Build 04/05 Maintenance/Build Log
Nav, Pano, Sport (Purchased 06/14 w/ 109,000 miles) (Sold 8/15 w/121,000 miles)


2006 X5 4.8is Build 11/05 Maintenance/Build Log
Nav, DSP, Pano, Running Boards, OEM Tow Hitch, Cold Weather Pckg (Purchased 08/15 w/ 90,500 miles)

2010 X5 35d Build 02/10
Nav, HiFi, 6 DVD, Sports Pckg, Cold Weather Pckg, HUD, CAS, Running Boards, Leather Dash, PDC, Pano (Purchased 03/17 w/ 136,120 miles)
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  #25  
Old 09-03-2020, 04:22 PM
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I bought a generic one off ebay. Seems like many vendors have this part. I will post the link and let you all know how it fits and works.
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1994 Ferrari 348TS Speciale #14/15
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  #26  
Old 09-03-2020, 06:49 PM
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Some 10 yrs ago, I wrote a detailed rebuild procedure the the Pierburg Air Pump in Volvo forum.

You can all details here:


DIY: 1998 V70 S.A.S Pierburg Air Pump Rebuild (for $20)
https://www.matthewsvolvosite.com/fo...ic.php?t=28683
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  #27  
Old 09-03-2020, 11:57 PM
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Dude... that is pretty cool detail. I should try it. Do you think my unit uses the same bearing? How could I verify?
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1977 Ferrari 308 GTB
1994 Ferrari 348TS Speciale #14/15
1989 Ferrari Testarossa
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  #28  
Old 09-17-2020, 08:16 AM
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I got my chinese knock-off SAP installed. the unit is suprisingly very solid and well built. came with new rubber mount screws. I installed it last night and it worked great this morning... no more lift off noise! The connection of the plastic hose to the valve was kind of loose. it was ok, but could have been tighter. it didnt really snuggly fit on like the other side. I did wrap a bit of black electric tape at the connection, just for added measure. if the unit fails, I will update this post.
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1977 Ferrari 308 GTB
1994 Ferrari 348TS Speciale #14/15
1989 Ferrari Testarossa
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  #29  
Old 09-17-2020, 08:31 AM
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It’s not a mission critical component and relatively easy to replace, can you share the exact brand? I rolled.the dice on a knock off brand of abs sensor and was very happy with the results (AIP I think), bit also tried to use off brand of O2 sensors and will not do that again (already from very beginning knew not to use other than OEM for cam sensor or MAF)
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  #30  
Old 09-17-2020, 08:58 AM
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Hi -

I dont even think there was a brand. it the basic knock off that many sellers have on ebay. they must just crank them out in China... seller is Autopartsclub2018, was good service on their part.

I am going to try and rebuild the old one for fun this winter, if I am bored... I always like to do little stuff like this to build up my skills. I once followed a DIY procedure where I replace a heat fuse in the AC compressor while it was still in the car... it worked, but was not fun. When it ultimately failed years later, I just replace the entire compressor and that has been fine.
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2003 X5 3.0i M54 Silver (build 07/03)
1977 Ferrari 308 GTB
1994 Ferrari 348TS Speciale #14/15
1989 Ferrari Testarossa
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