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X5 E53 (1999 - 2006)
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  #1  
Old 11-12-2013, 12:16 AM
ricfly ricfly is offline
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Location: Mauritius
 
Join Date: May 2013
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Mein Auto: X5, E53, 4.4i, V8
bmw x5 e53 4.4i

hi all,

i have a 2001 bmw x5 e53 4.4i. My car is damned slow at start. Consumption has gone up from 16.8L/100km to nearly 25L/100km. It is due to the fact that i have to accelerate more for the car to reach the V8 development. I have changed a lot of spareparts, air flow mass meter, fuel filter, spark plugs iridium platimium, ignition coils. i have tried new inlet camshaft position sensors bank 1 and bank 2, i have also tried a new fuel pump.. The car is still the same, no good acceleration and damn heavy. Diagnostics shows no errors.
Can anyone help me out? many thanks
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  #2  
Old 11-13-2013, 03:44 PM
boramkiv's Avatar
boramkiv boramkiv is offline
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Location: Chesapeake, VA
 
Join Date: Jan 2011
Posts: 1,763
Mein Auto: Some Bavarian car outside
No good acceleration as in the initial thrust off the line isn't there, and all kicks in right about 7-10 mph...or is it struggling all the way up the rev range?
I had the former issue and changing the VANOS solenoids made a difference. They were a bit old.
If it's the latter, it may be time to change the catalytic converters, and maybe oxygen sensors too.
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  #3  
Old 11-13-2013, 03:47 PM
Rahulk Rahulk is offline
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Location: Orlando ,Fl
 
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Posts: 180
Mein Auto: E53 N62; E90 N52
bmw x5 e53 4.4i

Your transfer case chain is slipping... You need a new chain for it..


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  #4  
Old 11-17-2013, 11:13 PM
ricfly ricfly is offline
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Location: Mauritius
 
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Mein Auto: X5, E53, 4.4i, V8
i've already changed the chain guide
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  #5  
Old 11-17-2013, 11:14 PM
ricfly ricfly is offline
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Location: Mauritius
 
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Mein Auto: X5, E53, 4.4i, V8
yes, it is slow at start then the V8 develops.
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  #6  
Old 11-17-2013, 11:22 PM
ricfly ricfly is offline
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Location: Mauritius
 
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Mein Auto: X5, E53, 4.4i, V8
no good acceleration at start only, damn slow. then the V8 develops but it is consuming much now..
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  #7  
Old 11-18-2013, 01:07 PM
Rahulk Rahulk is offline
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Location: Orlando ,Fl
 
Join Date: Jan 2013
Posts: 180
Mein Auto: E53 N62; E90 N52
bmw x5 e53 4.4i

Not the engine the transfer case... Look at transfer case x5 on YouTube...


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  #8  
Old 11-19-2013, 11:19 PM
ricfly ricfly is offline
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Location: Mauritius
 
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Mein Auto: X5, E53, 4.4i, V8
ok many thanks
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  #9  
Old 11-25-2013, 10:48 PM
ricfly ricfly is offline
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Location: Mauritius
 
Join Date: May 2013
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Mein Auto: X5, E53, 4.4i, V8
hi, i own a bmw x5 e53 4.4i, im having a few problems with the engine. I wanted to know if it is worth it if i change my engine to a 4.8is. If yes, where can i get one. Im from Mauritius and it is a right-hand drive. thanks
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