01-04-2019, 12:27 AM
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Member
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Join Date: Jun 2014
Location: SA, TX
Posts: 6,419
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Quote:
Originally Posted by semcoinc
On high mileage suspension compressor pumps (like mine at 113K) I had a great result by buying the complete head unit from a source on Ali.
My compressor cylinder bore was shot and the new cylinder head and piston ring restored excellent performance and no more codes.
$22
https://www.aliexpress.com/item/Air-...866104110.html
Yes I first tried Bag Pipin Andy’s piston ring solution but no joy.
Mike |
I think I am going to do mine before doing my stereo setup... because afterwards access will be, let's call it less than ideal. 
If you remove the lower trunk floor Crowz... you'll be able to hear it running. Even a healthy pump makes enough noise to be heard without that.
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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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