Xoutpost.com - Loss of power

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- - Loss of power (https://xoutpost.com/bmw-sav-forums/x5-e53-forum/74205-loss-power.html)

sunny5280

07-12-2010 05:53 PM

Quote:

Originally Posted by Angeluz (Post 755326)

the center electrode, was below the ceramics. that's how worn they were.

I know how these are supposed to look, but they were very low.
unfortunately i did not take any pics.

Fair enough. I just wanted to make sure you were aware they're not like plugs in our fathers cars :thumbup:

imola38

07-12-2010 06:53 PM

Quote:

Originally Posted by Angeluz (Post 755326)

the center electrode, was below the ceramics. that's how worn they were.

I know how these are supposed to look, but they were very low.
unfortunately i did not take any pics.

But a change of plugs has really changed the way the motor responds.
Much quicker pickup of revs, and more bottom torque.
I do believe that when i change the fuel filter, it will again be almost as fresh as new.

This is just incredible, the car has a full service book. Always performed at BMW but even the oil filter was the original from new. date stamp was the same as production month. I could litterally see through the filter. Big holes everywhere.

The oil filter was original? Pics? How many miles?

JCL	07-12-2010 07:45 PM

Quote:

Originally Posted by Angeluz (Post 755326)

This is just incredible, the car has a full service book. Always performed at BMW but even the oil filter was the original from new. date stamp was the same as production month. I could literally see through the filter. Big holes everywhere.

Sounds like the filter hasn't been changed for awhile, but 10 years from date of production is a long time. I wouldn't take a numerical stamp off a filter as proof that the filter hasn't been changed. It could be date of manufacturing, or something else entirely.

Angeluz

07-13-2010 05:07 AM

As far as i could tell, yes it was the old filter.

I think the shop takes a Oil change litterally and only changes oil.
Have pics, will upload later.

Miles app. 150000

JCL	07-13-2010 10:59 AM

You had posted that the service book was stamped by the dealer. A BMW dealer oil service includes the oil filter.

I still don't believe that an original filter will run 150,000 miles. I have seen pictures of filters at 50,000 miles, just not at 150,000 miles and 10 years.

J.Belknap

07-13-2010 12:03 PM

Could you post a graph with the dyno's wideband O2 plot?

Gaskets are good and not letting oil into the coil/spark plug area?

Angeluz

07-15-2010 05:29 AM

That's another issue i have to repair as well.
There is a small leak in to the coil area. which i will have to address soon.
by now it's only a small leak, which i could easily wipe off, but it has started, so i don't think it will be that long of a time before it gets really bad.

The plugs and coils were clean before the dyno test.
Will try to do a scan of the dyno report.

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