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#1
08-24-2006, 05:24 AM
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4.8 PINGING = Head Gasket?? - UPDATE
OFF with it's head! The heads came off, and the valves are a bit grubby, but nothing major. BUT! head gasket showed signs of a coolant leak area about 1-2 inches in area near cylinders..... Also replaced 8 ignition coils and 2 pcu's.. and so far no pinging. Will be having a more in depth discussion next week after some more driving, but only thing left according to BMW to eliminate it is to lower the compression with a double head gasket... hmmmm Replaced ECU for the suspension and a couple of control valves. Turn in to a corner is better but she still rolls like a yacht in a storm. Pretty sick of having to use my elbow on the door to keep my driving position. Next step is to put it in writing and get BMWAus involved directly. Got a bit of running around to do tomorrow so will see what turns up.
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PREVIOUS 2006 E53 X5 3.0D 2004 E53 X5 4.8is 2004 E53 X5 4.4 Sport 2011 E70 X5 3.0D with Aero kit 2009 E71 X6 50i Sport 2009 E70 X5 50i Sport 2007 E60 540 M Sport LCI (All time favourite car) 2007 E70 X5 4.8i Sport 2005 E53 4.8is 2003 E53 3.0 Sport 
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#2
08-24-2006, 08:25 AM
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It's snow season in Australia? Unfathomable...
BMW is going to drop the compression as a last resort to fix the ping issue? I've never heard of such a fix coming from a dealer on a stock engine. I could understand dropping the compression on an engine with a aftermrket turbo installed, but on a stock normally aspirated engine? That's radical. 
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#3
08-26-2006, 07:22 AM
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AAAAAAAHHH SHEEEIT!!!!!!!!!!! This thing is STILL pinging. Not only that, it still rolls like bitch. Sorry BMW, but that's enough. It's going back.... for good.
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PREVIOUS 2006 E53 X5 3.0D 2004 E53 X5 4.8is 2004 E53 X5 4.4 Sport 2011 E70 X5 3.0D with Aero kit 2009 E71 X6 50i Sport 2009 E70 X5 50i Sport 2007 E60 540 M Sport LCI (All time favourite car) 2007 E70 X5 4.8i Sport 2005 E53 4.8is 2003 E53 3.0 Sport
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#4
08-26-2006, 07:41 AM
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LVR - that sucks. I can't believe their method of repair was to reduce the engine compression for the most part. Seems like you have a ton of issues, best bet is probably to unload it.
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An unwavering defender of those I see worth protecting. "promote the general welfare, not provide the general welfare" We the People of the United States, in Order to form a more perfect Union, establish Justice, insure domestic Tranquility, provide for the common defence, promote the general Welfare, and secure the Blessings of Liberty to ourselves and our Posterity, do ordain and establish this Constitution for the United States of America.
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#6
08-26-2006, 12:03 PM
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Same Problem
I had the same problem with my Acura CL-S. It pinged like a mother and it was never fixed. Acura USA wouldn't take the car back, because they said that the knock sensor would retard the timing to take care of it, and I should just drive it and stop complaining. I eventually just took a loss on a 1 year old car and bought an Audi.
I had a similar pinging in my 4.8is, but fortunately, a bottle of techron has fixed my issue so far. I know how you feel, LVR, it really sucks.
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Scott in Cincy 2008 X5 4.8 (wifey) 2009 AMG E63 (Daily Driver) 1997 Porsche 993 Turbo 1968 Mustang GT Fastback -- Resto Project 1969 Firebird 400 -- Resto Project (Trans Am Replica) 1996 Saturn SC2 -- LeMons Racecar!
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#7
08-26-2006, 01:14 PM
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This sounds like bullshit to me. they want to put a thicker head gasket to lower compresion in order to stop you pinging. but what about the loss of hp you are going to take. which easily could be 5 to 10% power loss depending on how thick they go with a new gasket. They should take the X5 back and give you a new one.
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Dinan M3 2006 X5 4.4i Sport Current Vehicle 2006 CLS 55 AMG Current Vehicle 2010 FORD F-450 King Ranch Current Vehicle 2012 GL 550 Current Vehicle 1999 M3 Dinan S3 SOLD 2001 M3 Dinan S2 SOLD 2002 M5 SOLD 2004 X5 4.4i sport SOLD 2007 335 XI Lease ended 2009 E92 M3 SOLD
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#8
08-27-2006, 10:05 AM
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I am currently in the process of drafting the first letter to BMW.
Been back and forward for 12 months now, gone through every thing they asked. It pisses me most that I've paid $165k for a quality vehicle and that they're prepared to offer such a low rent solution. Not going to involve my solicitor yet but I guess we'll see how fair they are hey?
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PREVIOUS 2006 E53 X5 3.0D 2004 E53 X5 4.8is 2004 E53 X5 4.4 Sport 2011 E70 X5 3.0D with Aero kit 2009 E71 X6 50i Sport 2009 E70 X5 50i Sport 2007 E60 540 M Sport LCI (All time favourite car) 2007 E70 X5 4.8i Sport 2005 E53 4.8is 2003 E53 3.0 Sport
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