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#1
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4.4 4.8 Timing Chain Guide
The solution is to change the tensioner at 90k http://www.partsgeek.com/gbproducts/...Fel9OgodkCcAMQ Bmw E39 540i timing guide chain tension er replacement e53 X5 4.4 - YouTube My 4.4 has 85k...changing mine this week.
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2002 X5 4.4i Sport Wheels 2014 X5 35i M Appearance & suspension package 1995 Porsche 993 1972 Porsche 914-6 2020 GLE 450 Twin Turbo 2019 Alfa Stelvio 500hp Quadrifogilo Many motorcycles Last edited by Rockit; 12-15-2013 at 07:02 PM. |
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#2
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Are you separating the M62 and N62 or generalizing that they all have the failure? I haven't heard about any N62 issues on this board............yet. As the mileage increases on the motors this could potentially be a problem.
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2006 4.8iS Black/Black with custom Audison Voce/Image Dynamics sound Production Date - 10/05 |
#3
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I've read here 2000-2003 4.4 4.6 & 4.8's were reporting the issue and all over 100k.
I'm not sure what model engine generation they have. Sure seems like cheap and easy preventive measure.
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2002 X5 4.4i Sport Wheels 2014 X5 35i M Appearance & suspension package 1995 Porsche 993 1972 Porsche 914-6 2020 GLE 450 Twin Turbo 2019 Alfa Stelvio 500hp Quadrifogilo Many motorcycles |
#4
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The 4.4 and 4.6 use the M62 power plant and the 4.8 uses the N62. Different designs but I'm sure it wouldn't hurt to look into changing the tensioners on all models.
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2006 4.8iS Black/Black with custom Audison Voce/Image Dynamics sound Production Date - 10/05 |
#5
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Mine has almost 150K on it (N62) and not a peep from the timing chains.
So saying that most fail between 100 and 140K is nonsense. Most of the chains/guides I've heard of making noise are past the 150k mile mark.
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Current Bimmer 2004 X5 4.4i Sterling Grey Sport/Premium Past Bimmers 1991 318I Alpine White 1995 740I Alpine White 1991 525I Schwartz 1998 323IS Scwartz 2004 330CI Cabrio Titanium Silver Metallic 1995 540I Schwartz 2000 Z4 3.0 Titanium Silver 2000 330ci Coupe Titanium Silver |
#6
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Um.. The later model 4.4 (starting in 2004) uses the N62.
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Current Bimmer 2004 X5 4.4i Sterling Grey Sport/Premium Past Bimmers 1991 318I Alpine White 1995 740I Alpine White 1991 525I Schwartz 1998 323IS Scwartz 2004 330CI Cabrio Titanium Silver Metallic 1995 540I Schwartz 2000 Z4 3.0 Titanium Silver 2000 330ci Coupe Titanium Silver |
#7
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The 4.4 model the OP referred to uses the M62. Thanks anyway
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2006 4.8iS Black/Black with custom Audison Voce/Image Dynamics sound Production Date - 10/05 |
#8
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He's talking 2000-2003 Yet you bring up the 4.8is... which wasn't built in these years. So I'm sorry for assuming you were talking in general and not in the model years he was talking about. Thanks anyway.
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Current Bimmer 2004 X5 4.4i Sterling Grey Sport/Premium Past Bimmers 1991 318I Alpine White 1995 740I Alpine White 1991 525I Schwartz 1998 323IS Scwartz 2004 330CI Cabrio Titanium Silver Metallic 1995 540I Schwartz 2000 Z4 3.0 Titanium Silver 2000 330ci Coupe Titanium Silver |
#9
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2 different interpretations of what was written. That's all. The point of the thread is change your tensioner if you think it will help no matter what V8 motor you use.
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2006 4.8iS Black/Black with custom Audison Voce/Image Dynamics sound Production Date - 10/05 |
#10
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Haven't seen the TC Tensioner problem on N62 engine, not yet.
Fail TC Tensioner on M62TU -> fail TC Guide -> damaged engine.
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00 E39 DINAN S1 //M5 (82k miles) 06 E53 DINAN 4.8iS, born 2/18/2006 (126k miles) http://www.xoutpost.com/bmw-sav-foru...s-my-dslr.html 90 Straman Z32 TwinTurbo Convertible, (1 of 44 ever made) 5 speed, 444rwhp/451rwtq 01 360 Novitec Spider F1 (26k miles) |
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