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#1
06-06-2016, 04:52 PM
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Rear Crankshaft Seal replacement
I own an '04 X5/E53/3.0i(Nov 03 prod date) Wondering if anyone out there has attempted to tackle this on their own?? Just curious what is involved in procedure. Also curious about front Crankshaft replacement. Any input would be appreciated. An additional, unrelated question.........anyone know why I get an error message when trying to do a search of either this particular forum(E53) or an entire forum search?? I didn't used to have the issue. Thanks Steve
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'04 E53 3.0i 189K+ miles 
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#2
06-06-2016, 07:32 PM
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I sometimes get the search error. Just wait a while and try again (or the next day).
No help on the seal but I'm guessing the front timing cover has to come off? That doesn't sound fun. If you don't want to tackle it, take it to Sin City BMW (in the old fire station by Terminal 3 at McCarren). Those guys will get it done. Patrick is the best wrench there, but he only works the late hours I think (he's a full time Mercedes master tech as well as a BMW master tech, co-owner of the shop).
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Kirk Las Vegas 2016 X5 40e Mineral White/Black Dakota Leather, ZLL, ZCW, ZDA, ZDB, ZPP, multi contour seats, rear side window shades, HK stereo 2011 E90M3, 6-speed manual
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#3
06-06-2016, 07:49 PM
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I've seen a few DIY videos for rear crankshaft (main) seal replacement and the transmission has to be dropped to gain access. Would be quite the chore but you'd save mucho money.
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2001 3.0i * SOLD * Current 2010 E83 Alpine White
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#5
06-06-2016, 08:19 PM
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Front seal can be done without removing the front cover. Still requires removing the "Jesus bolt" on the damper from what I recall. As posted by others, the rear main seal does require dropping the tranny. Probably worth getting the Bentley manual if you're going to tackle either.
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David.X5 2001 X5 4.4i Sport SOLD! at 160k miles
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#6
06-06-2016, 11:05 PM
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Try some ATP 205 before replacing the seal. What do you have to lose?
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2006 Infiniti G35 2001 BMW 3.0I E53 X5 Build date 08/2000 SOLD Lotus Europa 1970 Destroyed by fire Lotus Europa 1970 S2 Renault Powered Lotus Type 52 1970 Twincam Webers Powered PORSCHE 911 Targa 1982 The Garage Queen Audi Avant donated to Kars for Kids BMW 525IT Sold Audi 4000CS Quattro Sold Jensen Healey Lotus Powered Sold Opel 1900 Sold Triumph Spitfire 1971 Sold Triumph Spitfire 1968 Sold Plymouth "Cuda" 340 Six pack SOLD Last edited by upallnight; 06-09-2016 at 07:42 AM.
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#7
06-07-2016, 01:23 PM
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As Upallnight suggested ATP 205 is worth a try. Several years ago I tried some AC sealer on my daughter's high mileage Xterra and to this day the AC still blows cold; saved her a $700 mech bill.
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2001 3.0i * SOLD * Current 2010 E83 Alpine White
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#8
06-07-2016, 07:29 PM
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Another vote for atp-205. I would run that with the correct ratio for 2 or 3 oil changes before doing the seal. I am using it for the infamous alternator gasket leak on my 04 n62 545i and it has slowed the leak quite a bit. The way it is going, it should soften the gasket to the point where it only sweats.
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2004 E60 545i Sport 6MT. Black/Black Build Date 6-2004 102k miles
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