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#1
06-20-2017, 12:30 PM
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How long do FSR last?
Looked like it was dated 34th month of 2011. Since the X5 was built in 2003, I'm guessing it had been replaced at least once. Anyone care to comment on the lifespan of these hedgehogs?
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2003 4.6is X5 2003 525it 2003 E53 X5 Standard shift 
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#2
06-20-2017, 12:50 PM
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I think it's hit or miss. OEM ones last a lot longer than aftermarket by rule... but they can still fail at pretty random ages/mileages.
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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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#4
06-20-2017, 02:04 PM
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My 2001 oe factory FSR failed at ~ 50,000 miles/ early 2006.
I had the 'then version' of 'extended maintenance', and the dlr R&R'd that original. Now, I have 113,000 miles, and that replacement still works, knock on fookin wood. I cringe just admitting that that replacement was so long ago.  GL, mD
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Ol'UncleMotor From the Home Base of Pro Bono Punditry and 50 Cent Opins... Our Mtn Scenes, Car Pics, and Road Trip Pics on Flickr: http://www.flickr.com/photos/4527537...7627297418250/ http://www.flickr.com/photos/4527537...7627332480833/ http://www.flickr.com/photos/45275375@N00/ My X Page 
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#5
06-20-2017, 04:17 PM
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As for the symptoms, mine seemed to vary in output air flow.
What used to be plenty, was now a whisper. The digital fan speed indicator didn't jibe with the output flow. Is that an indication of failing FSR? New FSR will part your hair now! Well, when I had hair, that is.
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2003 4.6is X5 2003 525it 2003 E53 X5 Standard shift
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#6
06-20-2017, 04:17 PM
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I still have the OE one running fine. Watch now it will fail.....
__________________
 2005 X5 4.8IS The Blue ones are always FASTER.... Current Garage: 2005 X5 4.8is 2002 M5 TiSilver 2003 525iT 1998 528i Former Garage Stable Highlights 2004 325XiT Sport 1973 De Tomaso Pantera, L Model 1970 Dodge Challenger T/A 4 sp Alpine White 1970 Dodge Challenger T/A 4 sp GoManGo Green 1971 Dart Sport, “Dart Light” package 1969 Road Runner 383 1968 Ply Barracuda 340S FB Sea-foam Green
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#7
06-20-2017, 04:28 PM
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If you run the blower at a low speed I think you will use the FSR more since more of that energy is converted to heat, whereas if you run the blower at a high speed less of the current is converted to heat by the FSR, but since the blower motor is spinning at a faster speed, the blower motor will expire quicker.
You choose what you want to replace. Blower motor of FSR. If I don't need to run the blower motor I just keep it off.
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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
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#8
06-21-2017, 06:09 PM
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Original lasted 78,000 miles, second OEM went 81,000 miles, third OEM has lasted 166,000 miles. On the third, the dealer did tell me BMW had "beefed it up" because they were replacing too many under warranty. Living in Texas, the blower motor is used 363.76 days per year - maybe more
 2002 X5 3.0 324,950 miles (almost another milestone) 2014 428i 28,100 miles 2004 325i sold at 123,600 miles 2001 325i sold at 66,000 miles (also had FSR replaced under warranty!) 1970 Firebird - Under restoration
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#9
06-21-2017, 11:24 PM
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still have original FSR and blower motor at 118,000+ miles.
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 X5 4.6 2002 Black Sap, Black interior. 2013 X5M Melbourne Red, Bamboo interiorDallas
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#10
06-22-2017, 12:10 AM
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Quote:
Amazing. Living in Texas, whole lotta fan going on!
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2003 4.6is X5 2003 525it 2003 E53 X5 Standard shift
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