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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 5 Series > E60 / E61 (2004 - 2010)

E60 / E61 (2004 - 2010)
BMW 5-Series E60 Sedan was first seen in the Unites States in the fall of 2003 with a 2004 Model Year designation. The E61 wagon followed shortly there after. The E60/E61 5 series is now available as a 528i, 528xi, 535i, 535xi, 550i and a 535xi sports wagon! -- View the E60 Wiki

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  #1  
Old 03-17-2015, 05:42 PM
bmwgirl79 bmwgirl79 is offline
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Join Date: Mar 2015
Posts: 3
Mein Auto:
2005 BMW 525i

Hi guys! New to the group!

My car registered a code 171 and 174. Check engine and check emissions indicator came on as well.

Started smelling a faint smell of fuel. Car is hesitant around 45 but higher speeds it runs like a dream.

Single girl who doesn't want to get ripped off!

Thanks for any advise!

~Kathy
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  #2  
Old 03-22-2015, 04:04 PM
62Maxx 62Maxx is offline
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Location: N.W. Indiana
 
Join Date: Nov 2013
Posts: 81
Mein Auto: 2004-525 I
Unfortunately BMW codes 171 & 174 will not pinpoint the problem. From looking at other posts, the codes are indicating a "lean air to fuel ratio" meaning not enough air OR not enough fuel is being metered into the engine correctly, hence a fuel leak/clogged fuel filter or a crack in the air intake hose or hoses creating too much air going into the fuel mix. People have stated they have replaced both oxygen sensors to no avail along with replacing the MAF sensor (mass air flow) which did not correct the problem.

As with the fuel smell, did you notice it while inside the car and it was coming thru the vents or were you around the engine compartment with the hood up or out side around the rear of the car? If it still exists, obviously do not park the car in the garage or carport until that issue is found and repaired.

I would consider going to an independent repair shop (Indy) as opposed to the BMW dealer since a lot of things might need to be analyzed before replacing all realms of "possibilities" which would be costing some BIG bucks. (Indy shop labor is usually 1/2 of BMW shop labor) Try to find a reputable Indy repair shop. They can clean your MAF sensor with a $12 dollar can of cleaner, having not to replace the MAF for $200 + bucks and they can use carb cleaner at $3 bucks/can to spray and locate any air intake leaks helping to reduce your repair bill.

BTW, how many miles are on the car? Also, you can call a BMW dealer and give them your VIN number and they can possibly retrieve any previous repair information.

Well, good luck to your repairs. I hope all goes well. Also, you can search BMW 171 & BMW 174 and read about more info concerning this matter.
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2004 525I, Titangrau Metallic, auto, cold weather pkg, premium pkg, adaptive xenons, hot climate version. Currently 58K/miles. Bought it last year with only 42K/miles. Truly, a "magic carpet ride"....... I like doing 90 @ 3 grand!

Last edited by 62Maxx; 03-22-2015 at 04:06 PM.
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  #3  
Old 03-22-2015, 04:27 PM
bmwgirl79 bmwgirl79 is offline
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Join Date: Mar 2015
Posts: 3
Mein Auto:
Hey. Thanks for the advise I have had the car since the beginning.

The fuel smell is faint. It hesitates around 45 and 60 mph but is a dream at 80. The fuel filter has NEVER been changed on this car. Would you start with that first?

The car has 119,000 miles on it. Any advise I would appreciate. I have one reputable place I take it to for normal maintenance but wanted others opinion.

Actually considering a new 5 series.

Thanks.

Kathy
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  #4  
Old 03-22-2015, 05:39 PM
pshovest pshovest is online now
BMW CCA 69606
Location: DE
 
Join Date: Dec 2009
Posts: 795
Mein Auto: '10 535iA, '00 528iTM
No. You probably have a vacuum leak.

Quote:
Originally Posted by bmwgirl79 View Post
......... The fuel filter has NEVER been changed on this car. Would you start with that first? ........
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  #5  
Old 03-22-2015, 05:53 PM
bmwgirl79 bmwgirl79 is offline
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Join Date: Mar 2015
Posts: 3
Mein Auto:
Ok... Thanks so much.
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