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  #31  
Old 12-29-2018, 07:39 AM
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StephenVA is on a distinguished road
^Correct as always!
Once again you are blowing up bench racing "facts" with actual real world knowledge. How mean......
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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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  #32  
Old 12-29-2018, 01:47 PM
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Location: Owensboro, KY - USA
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270_BMW is on a distinguished road
Sounds good! Thanks for the additional info!
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Current Project
2002 E53 X5 3.0i

Incoming Vehicles...
1991 E31 850i 5.0 V12 -- 10,000 Original Miles
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  #33  
Old 12-29-2018, 02:26 PM
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Location: Menlo Park, CA
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Fifty150hs is on a distinguished road
I put these in my X5 last year and my mileage went DOWN.
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  #34  
Old 12-30-2018, 11:54 AM
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Join Date: Jun 2013
Location: Virigina, USA
Posts: 1,953
StephenVA is on a distinguished road
Because you foot got heavier?
__________________

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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  #35  
Old 12-30-2018, 01:34 PM
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Join Date: Jul 2016
Location: Menlo Park, CA
Posts: 827
Fifty150hs is on a distinguished road
Quote:
Originally Posted by StephenVA View Post
Because you foot got heavier?
Nope. Because the plugs.
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  #36  
Old 12-30-2018, 02:03 PM
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Join Date: Jun 2014
Location: Omaha, NE
Posts: 1,067
cn90 is on a distinguished road
In contrast, I got better fuel mileage with Iridium spark plugs.
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1998 E39 528i 5sp MT
2006 E53 X5 3.0 6sp MT
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  #37  
Old 12-31-2018, 09:42 AM
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StephenVA is on a distinguished road
Me too but that is just a small sample.

I would recommend that anyone who have a drop off in fuel economy do a recheck on plug gaps, coil connections, pull codes, and perform a good visual for vacuum lines etc not connected.
__________________

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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  #38  
Old 12-31-2018, 12:25 PM
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Join Date: Jul 2016
Location: Menlo Park, CA
Posts: 827
Fifty150hs is on a distinguished road
Quote:
Originally Posted by StephenVA View Post
Me too but that is just a small sample.

I would recommend that anyone who have a drop off in fuel economy do a recheck on plug gaps, coil connections, pull codes, and perform a good visual for vacuum lines etc not connected.
Did all that. No codes, no loose vacuum lines or leaks, just lower fuel mileage.
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  #39  
Old 02-10-2019, 09:52 AM
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Join Date: Jun 2013
Location: Virigina, USA
Posts: 1,953
StephenVA is on a distinguished road
Bump for more exposure as way too many owners of X5 left the normal fall maintenance of plug changing time to "it now winter and I have hard starting etc." Gee maybe when it is warm you should do all the pre season prep work like oil changes, Oil Separator, vacuum lines, cooling systems, brake, air intake checks? NAAAAAAAaaa wait until it is really cold then do it.

Now I am off to fix a no fuel pressure isssue after hand washing issue.... looks like pump, fuse, relay? Testing we will go, testing we will go,.......
__________________

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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