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View Poll Results: How would you rate the reliability of your N52 Engine?
Highly Reliable! N52 = Happiness! 1 6.25%
Reliable with common problems. Easy DIY. 8 50.00%
Somewhat Reliable. More frequent difficult repairs. Shop time. 4 25.00%
Unreliable. I've experienced a lot of minor and major failures. 3 18.75%
Highly unreliable. Frequent major failures. N52 = No money and no friends. 0 0%
Voters: 16. You may not vote on this poll

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  #11  
Old 02-06-2018, 11:42 PM
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Quote:
Originally Posted by AlphaBetaX5 View Post
I purchased a $20 pink diaphragm valve, and replaced it during the eccentric shaft sensor job!

Works beautifully!

You have to use a chisel to detach and remove the old one (which is integrated into the valve cover and glue the new one to the housing. Saves you $300-400)



Sent from my iPhone using Tapatalk
Woah really? That takes some balls haha, I wouldn't trust glue to hold up under those temps and with the oil. How long ago was that? But yes, I replaced the cover and it ran me about $350. Took a number of hours to complete the job though. Did you get any pics of your valve cover fix?
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2008 X5 3.0si
250k Strong

Last edited by mejim707; 05-13-2019 at 12:09 AM.
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  #12  
Old 02-06-2018, 11:58 PM
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Location: Los Angeles
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Quote:
Originally Posted by mejim707 View Post
Woah really? That takes some balls haha, I wouldn't trust glue to hold up under those temps and with the oil. How long ago was that? But yes, I replaced the cover and it ran me about $350. Took a number of hours to complete the job though. Did you get any pics of your valve cover fix?


Itís been over six months now.

I used high temp RTV to keep it in place. Also there is a metal bracket that keeps the valve in place. No way that valve goes loose or becomes faulty.



Pictures .... probably not. Will look in my old pictures...


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  #13  
Old 05-12-2019, 11:27 PM
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Join Date: Jan 2018
Location: T
Posts: 51
mejim707 is on a distinguished road
215,000 Strong

The X5 is still running like new. I drive 60 - 70 miles a day in this beautiful machine. Smooth and powerful to date. I really can't feel a difference between when I first bought the ole girl and now.

Since my initial post to now, the few issues I've had were;

1. ~200k: Cat codes of death! P0420 P0430. Solved with spark plug non-foulers. Easy job, and saved $3195. You'll need at least 1.5" non-foulers. What you'll find at the local stores will not have the depth you'll need, even if you drill. Get them on Amazon.

2. P0015. Easy fix. Simply remove the exhaust Vanos. Spray with mis airflow sensor cleaner. Toggle the solenoid with a 9 volt battery. (Don't leave connected!) Reinstall.

Thats it! No leaks no nothing. When I was under the car for the catalytic converter code fix it's clean! The way these vehicles are build is truly remarkable. Sure, you pay a little extra, but they can last so much longer than chaperons cars if you maintain them.

I love my X5! 215,000 now, and I will see 300,000 with no trouble.

The ultimate driving machine!
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2008 X5 3.0si
250k Strong

Last edited by mejim707; 05-13-2019 at 12:09 AM.
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  #14  
Old 05-13-2019, 08:33 AM
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Join Date: Apr 2019
Location: Alberta, Canada
Posts: 62
Viktimize is an unknown quantity at this point
Good to hear you're still running strong. I have 265,000Km, been sorting out some gremlins till it's perfect.

I have the P0012 code myself, already ordered a new solenoid. Going to do the VCG same time as it's leaking.
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  #15  
Old 05-21-2019, 10:41 AM
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Join Date: Jun 2015
Location: Maryland
Posts: 279
Aquamania is on a distinguished road
Quote:
Originally Posted by mejim707 View Post
The X5 is still running like new. I drive 60 - 70 miles a day in this beautiful machine. Smooth and powerful to date. I really can't feel a difference between when I first bought the ole girl and now.

Since my initial post to now, the few issues I've had were;

1. ~200k: Cat codes of death! P0420 P0430. Solved with spark plug non-foulers. Easy job, and saved $3195. You'll need at least 1.5" non-foulers. What you'll find at the local stores will not have the depth you'll need, even if you drill. Get them on Amazon.

2. P0015. Easy fix. Simply remove the exhaust Vanos. Spray with mis airflow sensor cleaner. Toggle the solenoid with a 9 volt battery. (Don't leave connected!) Reinstall.

Thats it! No leaks no nothing. When I was under the car for the catalytic converter code fix it's clean! The way these vehicles are build is truly remarkable. Sure, you pay a little extra, but they can last so much longer than chaperons cars if you maintain them.

I love my X5! 215,000 now, and I will see 300,000 with no trouble.

The ultimate driving machine!
I am on Amazon and I don't see the spark plug non-foulers. Where are you looking?
__________________
2008 X5 3.0si
Monaco Blue/Grey
Tech Package
Cold Weather Package
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Build Date: 02/2008
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  #16  
Old 05-21-2019, 10:58 AM
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Quote:
Originally Posted by Aquamania View Post
I am on Amazon and I don't see the spark plug non-foulers. Where are you looking?

Hey aquamania, these are the ones I used and they worked like a charm.

Spacers: https://www.amazon.com/gp/product/B07H2DNRNZ/

The entire job takes about a half hour - 45 minutes. You'll need to remove the panel under the car and get a O2 sensor removal tool to get oneof the O2 sensors out.
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2008 X5 3.0si
250k Strong

Last edited by mejim707; 05-23-2019 at 12:46 PM.
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  #17  
Old 05-21-2019, 12:45 PM
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Quote:
Originally Posted by mejim707 View Post
Hey aquamania, these are the ones I used and they worked like a charm.

https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1

The entire job takes about a half hour - 45 minutes. You'll need to remove the panel under the car and get a O2 sensor removal tool to get oneof the O2 sensors out.

Thanks a bunch for this!!!
__________________
2008 X5 3.0si
Monaco Blue/Grey
Tech Package
Cold Weather Package
Premium Package
Build Date: 02/2008
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  #18  
Old 05-22-2019, 04:36 PM
BGM's Avatar
BGM BGM is offline
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Location: Chicago, IL
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Quote:
Originally Posted by mejim707 View Post

I love my X5! 215,000 now, and I will see 300,000 with no trouble.

The ultimate driving machine!
Geez I have an '08 as well and just hit 100K last weekend. I think mine will turn into dust before I ever get to 215K.
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2008 X5 4.8
Jet Black/Black Nevada/Dark Burl Walnut
Adaptive Drive
Premium Pack
Tech Pack
Climate Pack
Sport Pack
20" Wheel Option
Premium Sound
Sirius Satellite
Rear DVD Entertainment
Multi-Contour Seats
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3rd Row Seat
Heated Front Seats
Running Boards
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  #19  
Old 05-23-2019, 06:43 AM
Member
 
Join Date: Jun 2015
Location: Maryland
Posts: 279
Aquamania is on a distinguished road
Quote:
Originally Posted by mejim707 View Post
The X5 is still running like new. I drive 60 - 70 miles a day in this beautiful machine. Smooth and powerful to date. I really can't feel a difference between when I first bought the ole girl and now.

Since my initial post to now, the few issues I've had were;

1. ~200k: Cat codes of death! P0420 P0430. Solved with spark plug non-foulers. Easy job, and saved $3195. You'll need at least 1.5" non-foulers. What you'll find at the local stores will not have the depth you'll need, even if you drill. Get them on Amazon.

2. P0015. Easy fix. Simply remove the exhaust Vanos. Spray with mis airflow sensor cleaner. Toggle the solenoid with a 9 volt battery. (Don't leave connected!) Reinstall.

Thats it! No leaks no nothing. When I was under the car for the catalytic converter code fix it's clean! The way these vehicles are build is truly remarkable. Sure, you pay a little extra, but they can last so much longer than chaperons cars if you maintain them.

I love my X5! 215,000 now, and I will see 300,000 with no trouble.

The ultimate driving machine!
This is great to hear. I am planning on keeping mine for a long time also. I have 135,000+ miles on mine. I drive it maybe twice a week now. I use my 04 Tahoe as my daily. DC streets are brutal on a car.
__________________
2008 X5 3.0si
Monaco Blue/Grey
Tech Package
Cold Weather Package
Premium Package
Build Date: 02/2008
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  #20  
Old 05-23-2019, 08:54 AM
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Join Date: Apr 2019
Location: Alberta, Canada
Posts: 62
Viktimize is an unknown quantity at this point
Quote:
Originally Posted by mejim707 View Post
Hey aquamania, these are the ones I used and they worked like a charm.

https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1

The entire job takes about a half hour - 45 minutes. You'll need to remove the panel under the car and get a O2 sensor removal tool to get oneof the O2 sensors out.
Link no work.

What's wrong with a combination wrench for removing O2 sensors?
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