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-   -   Danny's X5 4.6 Thread (https://xoutpost.com/bmw-sav-forums/x5-e53-forum/105208-dannys-x5-4-6-thread.html)

V8 00USH 03-29-2017 05:25 AM

Quote:

Originally Posted by V8 00USH (Post 1095772)
My 4.6is is on 120k miles and I'm already starting to have nightmares about the guides - I've got zero service history but the engine is absolutely silent on startup and when running so hopefully I should be ok until I have time to tackle it.

Quote:

Originally Posted by X53Jay4.8is (Post 1095624)
On my personal 4.6is the guides started to go at 99k mikes and what gave it away was a whirring sound that I thought was one of the pulley bearings, alternator bearings,or a/c compressor bearings

So...some 7,000 miles after I contributed to this thread and was a little concerned about my guides failing at the mileage I was on and this exact whirring symptom occured.....120 miles later and my engine is rattling badly due to chain guide failure. :rolleyes:

Do it sooner rather than later people - I think to be safe any engine over 100k it should be done without delay.

X53Jay4.8is 03-29-2017 07:23 PM

Quote:

Originally Posted by V8 00USH (Post 1106134)
So...some 7,000 miles after I contributed to this thread and was a little concerned about my guides failing at the mileage I was on and this exact whirring symptom occured.....120 miles later and my engine is rattling badly due to chain guide failure. :rolleyes:

Do it sooner rather than later people - I think to be safe any engine over 100k it should be done without delay.

Yep did't even hesitate on ripping the X5 down once I heard the whirring sound. She gives you plenty of warning. Some people just choose to ignore the signs.

V8 00USH 03-30-2017 03:17 AM

Quote:

Originally Posted by X53Jay4.8is (Post 1106209)
Yep did't even hesitate on ripping the X5 down once I heard the whirring sound. She gives you plenty of warning. Some people just choose to ignore the signs.

Oh believe me....the signs weren't ignored. I knew exactly what it was. Unfortunately however I didn't have another vehicle to use at such short notice otherwise trust me....I would have been using it without hesitation.

dannyzabolotny 05-17-2017 06:48 PM

So it's been about 3 months since the X5 broke down, and I'm finally getting around to fixing it. Life got in the way for a while— I moved to a different house in a different part of town (no more HOA!), worked on chain guides for a 740i, did a heck of a lot of work on my 540i touring, worked on a Mustang GT with a friend, and a whole bunch of other stuff.

I had the X5 towed to my new house, and it just kinda sat in the backyard for a while. I ended up using my 540i touring to push it further into the backyard so that I could access the garage and use the backyard for parking other cars.

https://c1.staticflickr.com/3/2893/3...b968ab2d_b.jpg

https://c1.staticflickr.com/3/2891/3...96395d8c_b.jpg

It's desperately in need of a wash, though it's got a coat of sealant on the paint so the paint should be okay despite sitting in the sun for months. It also hasn't been super hot until recently so that's a good thing. Amazingly, the battery only died recently— I was able to lock/unlock it last month when I needed to get something from it. The last time I started it was in March, but it started just fine.

In any case, I found a person parting out an X5 4.6 with much lower miles than mine, and he sold me the transfer case so now I don't have to reuse my questionable 214k mile transfer case. I also bought a new transfer case chain and an extended driveshaft from Cobra Transmission, so everything should come together nicely once all of that stuff arrives early next week.

xbimma 05-17-2017 07:55 PM

Does that guy still have side mirrors?



Garage:
E53 4.4i M62 born 2003-03-04 (SOLD)
E53 4.8iS N62s born 2006-03-16
E90 325i N52 born 2006-03-28
F30 328i N20 born 2012-09-06

dannyzabolotny 05-17-2017 08:04 PM

Quote:

Originally Posted by xbimma (Post 1109215)
Does that guy still have side mirrors?

It's one of the guys on here, jcorreanyc. Shoot him a message about it.

xbimma 05-17-2017 08:14 PM

Quote:

Originally Posted by dannyzabolotny (Post 1109217)
It's one of the guys on here, jcorreanyc. Shoot him a message about it.



Never mind. I missed those already. Thanks though.



Garage:
E53 4.4i M62 born 2003-03-04 (SOLD)
E53 4.8iS N62s born 2006-03-16
E90 325i N52 born 2006-03-28
F30 328i N20 born 2012-09-06

dannyzabolotny 06-12-2017 12:53 PM

The X5 lives again! Huge thanks to jcorreanyc for selling me a 4.6is transfer case (apparently the 4.6 has a special LWX-500 transfer case) and shipping it all the way out from NYC. That was one heavy sucker!

The full writeup is coming later today once I can get everything off my DSLR, but let's just say it was quite the job! The transfer case is quite heavy when you have a foot and a half of clearance under the vehicle and the exhaust is quite fun to maneuver into place.

I replaced the transfer case, replaced the chain inside the transfer case, and replaced the front driveshaft with a brand new 1" extended one from Cobra Transmission. Fresh Dextron (5?) fluid inside the transfer case.

It's still quite filthy from sitting outside for the better part of 4 months, but it drives great. No check engine lights, no warning lights, and the drivetrain is super smooth. I took it on a shakedown at like 2:30am last night and everything went quite well. The engine fired right up and initially had a lifter tick from sitting for so long, but after a drive it sounded pretty good.

I drove it to work today and it was awesome. I forget how quick 4.6's feel, even though they're not all that quick on paper.

I documented the first part of this repair job in this video on my YouTube channel (shameless self-promotion): https://www.youtube.com/watch?v=QBy1HcVHOrM


740iS 06-12-2017 01:37 PM

Congrats on the repair and the smooth running X after all these months

sharkk001 06-12-2017 06:24 PM

Congratulations on you truck


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