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#4476979 - 08/01/17 09:47 PM BMW N54 intake cleaning at 185,000 miles
antonmnster Offline


Registered: 03/29/10
Posts: 802
Loc: Minneapolis
I've started the project, but calling it quit for tonight with cleaner sitting on the backs of 3 cylinders. I'll resume tomorrow with mybrush, shop vac, and a super good deal on brake cleaner from NAPA - $2.50 per can!

Car has 185,000 miles and the intake hasn't been off since I bought it at 115,000. About 40,000 miles of driving to and from Chicago, so it's not as bad as it could have been.

https://imgur.com/a/d3DIS


Edited by antonmnster (08/01/17 09:49 PM)

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#4476986 - 08/01/17 09:57 PM Re: BMW N54 intake cleaning at 185,000 miles [Re: antonmnster]
JHZR2 Offline



Registered: 12/14/02
Posts: 41798
Loc: New Jersey
I'm not so sure I would have cleaned it looking like that!

I was expecting things to look much worse given all the doom and gloom over DI deposits.

Did you experience any issues or problems?

Ive seen EGR'd diesels with >200k actually nearly occluded with soot/oil mix and still running well and efficiently...

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#4476996 - 08/01/17 10:07 PM Re: BMW N54 intake cleaning at 185,000 miles [Re: antonmnster]
antonmnster Offline


Registered: 03/29/10
Posts: 802
Loc: Minneapolis
The first pic is after scrubbing it for 10 minutes. The others are untouched.

It was starting to idle a bit rough, and would crank for a bit on a warm start. Mileage was slowly dropping.

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#4477005 - 08/01/17 10:17 PM Re: BMW N54 intake cleaning at 185,000 miles [Re: JHZR2]
heynow Offline


Registered: 05/09/05
Posts: 395
Loc: Nevada
Originally Posted By: JHZR2
I'm not so sure I would have cleaned it looking like that!

I was expecting things to look much worse given all the doom and gloom over DI deposits.

Did you experience any issues or problems?

Ive seen EGR'd diesels with >200k actually nearly occluded with soot/oil mix and still running well and efficiently...


Same thoughts here.
My 99 TDI intake manifold was clogged to the point you could barely fit a pinky into the air passageway that remained, and it still started and ran great.
_________________________
1991 Acura NSX
2005 BMW r1200GS

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#4477050 - 08/01/17 11:14 PM Re: BMW N54 intake cleaning at 185,000 miles [Re: antonmnster]
PeterPolyol Offline


Registered: 03/06/16
Posts: 1345
Loc: toronto
+1 not bad at all

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#4477095 - 08/02/17 04:47 AM Re: BMW N54 intake cleaning at 185,000 miles [Re: antonmnster]
rooflessVW Online   content


Registered: 12/24/11
Posts: 4073
Loc: North Carolina
Not sure what everyone else is talking about... Those were definitely due for a cleaning.

Much easier with a walnut blaster, IMHO. Can we expect after shots?
_________________________
"Zed's dead baby, Zed's dead."

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#4477119 - 08/02/17 06:11 AM Re: BMW N54 intake cleaning at 185,000 miles [Re: antonmnster]
Smoky14 Offline


Registered: 04/23/03
Posts: 1339
Loc: Nowhere NM
Media blaster would make quick work of that mess. Harbinger of things to come.

Smoky
_________________________
99 Acura 2.3CL 5speed MT
12 Ford Fusion 2.5S 6speed MT
05 Suzuki Bandit 1200.

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#4477165 - 08/02/17 07:47 AM Re: BMW N54 intake cleaning at 185,000 miles [Re: heynow]
UG_Passat Offline


Registered: 05/27/08
Posts: 1970
Loc: NJ
Originally Posted By: heynow
Originally Posted By: JHZR2
I'm not so sure I would have cleaned it looking like that!

I was expecting things to look much worse given all the doom and gloom over DI deposits.

Did you experience any issues or problems?

Ive seen EGR'd diesels with >200k actually nearly occluded with soot/oil mix and still running well and efficiently...


Same thoughts here.
My 99 TDI intake manifold was clogged to the point you could barely fit a pinky into the air passageway that remained, and it still started and ran great.


my ALH wasn't that bad, due to doing the EGR mod via VCDS.
_________________________
2016 VW Tiguan|APR Stage 1|Neuspeed P-Flo|Osram CBI|Redline 5w30

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#4477167 - 08/02/17 07:48 AM Re: BMW N54 intake cleaning at 185,000 miles [Re: antonmnster]
UG_Passat Offline


Registered: 05/27/08
Posts: 1970
Loc: NJ
BG PRoducts has their GDI cleaning kit, which is 2-solvent based system, to dissolve the buildup at the intake valves.
_________________________
2016 VW Tiguan|APR Stage 1|Neuspeed P-Flo|Osram CBI|Redline 5w30

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#4477232 - 08/02/17 09:07 AM Re: BMW N54 intake cleaning at 185,000 miles [Re: antonmnster]
jeepman3071 Online   content


Registered: 04/15/10
Posts: 4220
Loc: Storrs, Connecticut
Nice on DIY'ing this!

How has your N54 ownership experience been besides this?
_________________________
2000 Jeep Cherokee 4.0L (180k) - Pennzoil 10w30, Napa Gold 1516, Magnefine trans filter
2009 BMW 328i (32k) - Castrol Edge Euro 0w40, MANN HU816X

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#4477600 - 08/02/17 05:07 PM Re: BMW N54 intake cleaning at 185,000 miles [Re: antonmnster]
Charlie2015 Offline


Registered: 04/24/15
Posts: 241
Loc: Georgia
That looks really mild for 185k miles on a direct inject engine.
_________________________
1998 Honda Accord EX 2.3L Auto
2009 Scion TC Manual

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#4477719 - 08/02/17 07:46 PM Re: BMW N54 intake cleaning at 185,000 miles [Re: antonmnster]
Eddie Offline


Registered: 12/07/03
Posts: 9574
Loc: Florida, Cape Coral
If I read this correctly, the valves have only 40,000 miles on them. If only 40,000 miles then I think this is pretty bad. ed
_________________________
CX5 Touring 2.5L :-)

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#4477726 - 08/02/17 07:50 PM Re: BMW N54 intake cleaning at 185,000 miles [Re: antonmnster]
Vladiator Offline


Registered: 01/04/16
Posts: 728
Loc: NC
Originally Posted By: Eddie
If I read this correctly, the valves have only 40,000 miles on them. If only 40,000 miles then I think this is pretty bad. ed

Nope...

Originally Posted By: antonmnster
Car has 185,000 miles and the intake hasn't been off since I bought it at 115,000.

So it is at least 70k miles, assuming it was cleaned by the previous owner. Or full 185,000 miles assuming no one ever cleaned the valves.
_________________________
Thicker oils give protection for severe operations such as driving in mountains, pulling a boat, dusty conditions, short trips, high rpm, overloading, overheating and overcooling. Thin oils give MPG.

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#4477783 - 08/02/17 08:53 PM Re: BMW N54 intake cleaning at 185,000 miles [Re: antonmnster]
antonmnster Offline


Registered: 03/29/10
Posts: 802
Loc: Minneapolis
I bought the car at 115k. There was nothing in the service history to suggest a valve cleaning going back to about 30k, so I'd say I'm the first one in here. (Aside from the half dozen times the HPFP was changed, giving the car a CA "lemon law" title.)

The more I think about it, the more I think the previous owner would have mentioned doing that service. So I'd wager this is original.

As far as owning an N54... it's not for the faint of heart. Fuel injectors have been my big pain. Still on the PO's water pump and thermostat. And this car needs to be aligned every six months...

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#4477843 - 08/02/17 10:18 PM Re: BMW N54 intake cleaning at 185,000 miles [Re: rooflessVW]
JHZR2 Offline



Registered: 12/14/02
Posts: 41798
Loc: New Jersey
Originally Posted By: rooflessVW
Not sure what everyone else is talking about... Those were definitely due for a cleaning.

Much easier with a walnut blaster, IMHO. Can we expect after shots?


Apparently you've never worked on egr'd diesels...

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