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#1
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Help me decide; fix, trade, sell 2008 3.0si w/ 192,000 miles
While I never thought I would even consider getting rid of the car I'm worried I'm beginning to throw good money after bad at this point. I have taken meticulous care of the car otherwise, changed oil every 7,500 miles and washed every week or two since day 1. I've included my maintenance history below. All this said, here are the options I'm considering 1. Do nothing and trade in (CEL may not matter since they will auction it anyway?) 2. Do the sensors and see if it clears. If so keep. 3. Do the sensors and see if it clears. If so sell/trade immediately. 4. Do the sensors and if it does NOT clear, replace the cats and keep. 5. Do the sensors and if it does NOT clear, replace the cats and sell/trade. I'm willing to spend the ~$4,600 if, based on all my other recent repairs, it's worth it. I know "worth it" will be different for everyone. Curious at the communities thoughts and opinions. Thanks for reading! monto 191,776 VANOS solenoids, crankshaft sensor, hood cables and latches, oil, 191,025 water pump, expansion tank, left headlight bulb, rear right brake light bulb 186,980 Disa valve x2 184,079 oil, air filter 179,485 oil, emergency brake cable 174,497 oil 169,226 front brakes, rear brakes, brake fluid 168,227 oil, air filter, brake fluid 164,576 oil, air filter 157,975 spark plugs, ignition coils 155,682 oil, transfer case fluid 154,360 Front left and right wheel bearings 153,595 EMF parking switch, right inner tail light, air filter, AC compressor 150,743 oil 143,139 oil, alignment, thrust arms, hood latch 136,740 brake fluid, inner rear tail light 136,407 oil 128,852 oil 120,599 Cylinder head cover 120,139 oil, radiator, valve cover gasket, valve tronic motor seal, eccentric shaft seal, oil filter housing gasket, oil cooler gasket 114,653 oil 109,926 front brakes, rear brakes 104,618 oil, tire rotation 102,496 Coolant reservoir 96,882 oil, brake fluid, new transmission (BMW covered 50%) 89,213 oil, air filter, water pump, spark plugs 82,200 oil 75,959 Fuel delivery unit recall, air filter 75,199 oil 67,777 oil, alignment, tire rotation 60,551 oil, air filter 58,763 Front brakes 54,251 oil 49,856 Rear brakes 46,456 Tires 45,600 oil, air filter, brake fluid 37,882 oil 29,685 oil, air filter 22,858 oil 14,919 oil 7,457 oil Last edited by monto; 09-01-2017 at 07:16 AM. |
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#2
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For the mileage is definitely change the 02 sensors first and then run with it and see. For that amount of miles and relatively no codes being thrown that would hurt the cats, I don't think they would be bad. What codes are you getting?
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8/06 build E53 3.0i.... |
#3
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faults we're catalytic efficiency on bank 1 and 2.
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#4
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Those codes are NOT definitive.
There are other things that can cause that- like vanos issues causing the car to run rich at some RPMs, leading to a swamping of the cat with hydrocarbons. What do the AFR numbers look like over the RPM band? What are the results of a vanos functional test? Looks like dealer pricing, eh? I would NOT trust an Indy that is guessing with my money and just using codes.... |
#5
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My apologies for my ignorance but how would I get insight into the AFR numbers over the RPM band? I will mention performing a vanos functional test to the shop. Surprisingly these prices are about 20% lower than dealer pricing here in the Boston area. Last edited by monto; 09-01-2017 at 07:12 AM. |
#6
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Maybe someone more knowledgeable can verify this but aren't there some tests that can be run on the o2 sensors that while not always definitive might point in some direction? like check the live sensor data to see if they are flat lining or maybe there is a self check test that can be run under Rheingold for the catalytic converter like on the diesels?
if you could get Rheingold im sure you would have more to go off of rather than just what they tell you. |
#7
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Before you replace anything, I have a thought, have you tried resetting any adaptations to the fuel injection? I had this issue on my e36. Like what ard said. For me I had a vacuum leak and when I fixed it, the car was running super rich and bogging down. It did not lean the fuel back out right away after the problem was gone. Disconnecting the battery for some time let the ECU clear the memory or something and go back to default. Started the car and was perfect from then.
May not be anything like this, but something free to try. Sent from my iPhone using Tapatalk |
#8
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#9
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My 08 3.0l Loved throwing a CEL from 120k to 155K where it was involved in a Head on collision and put out to pasture ($11K in damages RIP). Always threw codes for the exhaust vanos, especially with the AC on and spirited driving. I cleaned and swapped the cylinders and always got the code on the exhaust vanos. My whole time owning that truck the engine never seemed right. It idled a little rough for my liking and didnt seem very spirited. It just went. (80k miles of ownership) There were no vacuum leaks (smoke tested) and everything under the hood was within specs according to the stealership and my indy. I just never could go full throttle with the AC on because it would kick that CEL and seem bogged down. After a lot of time and headaches replacing vacuum hoses, maf sensor, filters, plugs, valve cover for a new PCV and a bunch of other odds and ends I just said piss on it and drove the truck with my Carly dongle in and cleared the CEL whenever the light came on.
I will say that the CEL came on more often in the spring and summer months rather then the winter months. Fast Forward My 2010 3.0l is perfect. Idles smooth as silk. The engine is responsive and doesnt seem bogged down ever. Even my husband with his M2 said....wow this feels so much better then your last one (which led into the used car lecture) AC on or not. I have driven other 08's and it was touch and go. Mileage didnt matter....2 felt bogged and 2 felt like my 2010. I'd love to know what you find because my 2010 is getting up there in mileage (110K) and I don't know what the future will bring. My goal is to keep it until it literally blows up.
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2010 X5 3.0 X-drive Titanium Silver/Black 2018 Ford F-150 Platinum Crew 2010 528xi (His) 2017 M2 Manual (His) Former Headaches: 2008 X5 RIP 2015 M235 2013 135is 2009 535xi Wagon (JUNK) 2007 530xi 6spd CPO Sport (Best Damn Car EVER) 2011 335xi M-sport Coupe 6spd (Sex on Wheels) 2010 550GT "CPO" (Junk) 2012 X5 35d "CPO" (More Junk) 2004 330i ZHP Sedan 2002 325xi Wagon 2000 323i Sedan 1998 M3 Sedan 1992 325i Sedan |
#10
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yes, they could have screwed up the install. Be careful- some shops, when they do screw up, will find 'other problems' and charge you for those, when they actually are charging to fix their own mess. Not accusing your shop, beware. |
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