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#1
04-25-2019, 01:37 PM
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Oil pan off the M62, replace oil pump?
Gents,
125k on my e53. Finally had the time to continue the disassembly. I am trying to seal the engine as it was quite dirty tho not really dripping. There was quite a bit of oil in the spark plug openings. Now that the lump is out, I will be doing the Vanos and the chaiin guides. It is time to order parts and I was wondering if I should replace the oil pump? Thoughts anyone?
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2003 4.4i black ext./black int./black headliner (kid's runabout) 2014 535d X-drive, M package, silver/black interior Sold but not forgotten: 2009 E70 35d, black ext./black int./black headliner (sold 2021) 2006 4.8iS Le Mans blue/cream int./black headliner, SOLD in 2012 sadly... Other hardware: 2015 Cayenne S (wife's new DD and definitely wroooommmmm) 2016 Tundra 1794 edition crew cab, luxo hauler 2005 Tundra crew cab, weekend hauler. Sold after 150k very happy miles. 
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#2
04-25-2019, 09:33 PM
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Oil pan off the M62, replace oil pump?
I wouldn't. Not a common failure, not difficult to get to like say the oil separator.
Regtangrings however those will affect power and I would replace them. Are you doing the vanos refurb DIY? It's not too difficult and very rewarding.
__________________
2011 E70 • N55 (me) 2012 E70 • N63 (wife)
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#3
04-29-2019, 11:45 AM
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Thanks. I had not seen oil pumps as an issue generally on this board. What are regtangrings?
Was going to go with a vendor for the Vanos but willing to take recommendations. :-)
__________________
2003 4.4i black ext./black int./black headliner (kid's runabout) 2014 535d X-drive, M package, silver/black interior Sold but not forgotten: 2009 E70 35d, black ext./black int./black headliner (sold 2021) 2006 4.8iS Le Mans blue/cream int./black headliner, SOLD in 2012 sadly... Other hardware: 2015 Cayenne S (wife's new DD and definitely wroooommmmm) 2016 Tundra 1794 edition crew cab, luxo hauler 2005 Tundra crew cab, weekend hauler. Sold after 150k very happy miles.
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#4
04-29-2019, 12:38 PM
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I don't think oil pump failure is something I'd be concerned with - except in the case of the N52 in my wife's E83. I have a low mileage used pump on my bench to install when I get a chance. The current pump is noisy presumably due to damage from drive belt ingestion. This a a problem unique to this particular engine, though.
The M52TU in my e46 is over 250k mi. and I wouldn't replace the pump on that if I had the pan off. AM.
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E70 2010 3.0 M57 AT Titanium Silver with Black Leather E53 2004 3.0 M54 AT Toledo Blue with Gray Leather E83 2008 3.0 N52 AT Silver Gray Metallic with Black Vinyl E46 1999 2.8 M52TU 5MT Black with Tan Leather 250K+ miles (Sold, but not forgotten)
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#5
04-29-2019, 04:01 PM
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Rectangrings are the oil seal around the camshaft. They are officially recommended when removing the oil distribution unit for a high mileage repair . If under 100-120,000 i wouldn't probably replace them. At 160,000 we did.
Sent from my iPhone using Tapatalk Pro
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2011 E70 • N55 (me) 2012 E70 • N63 (wife)
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#6
05-01-2019, 08:18 AM
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Thx, this is good info.
__________________
2003 4.4i black ext./black int./black headliner (kid's runabout) 2014 535d X-drive, M package, silver/black interior Sold but not forgotten: 2009 E70 35d, black ext./black int./black headliner (sold 2021) 2006 4.8iS Le Mans blue/cream int./black headliner, SOLD in 2012 sadly... Other hardware: 2015 Cayenne S (wife's new DD and definitely wroooommmmm) 2016 Tundra 1794 edition crew cab, luxo hauler 2005 Tundra crew cab, weekend hauler. Sold after 150k very happy miles.
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#7
05-05-2019, 11:26 AM
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I have 120k miles on it, will have to take a look how hard it is to change those rings in the distribution unit.
The O-ring for the oil pickup pipe I will change anyway as it is already off. My gut says to also detach the pump and change the three O-rings associated with the oil pump?
__________________
2003 4.4i black ext./black int./black headliner (kid's runabout) 2014 535d X-drive, M package, silver/black interior Sold but not forgotten: 2009 E70 35d, black ext./black int./black headliner (sold 2021) 2006 4.8iS Le Mans blue/cream int./black headliner, SOLD in 2012 sadly... Other hardware: 2015 Cayenne S (wife's new DD and definitely wroooommmmm) 2016 Tundra 1794 edition crew cab, luxo hauler 2005 Tundra crew cab, weekend hauler. Sold after 150k very happy miles.
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#8
05-05-2019, 11:59 AM
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If you have the distribution units off the rectangrings are a simple thing to R/R. Be very careful they are stupid hard steel and the tooth is extremely fragile. Won't matter on the ones coming off but I'd maybe buy a spare or two if you can get from a place with a good return policy.
__________________
2011 E70 • N55 (me) 2012 E70 • N63 (wife)
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