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Comments
The one behind the cat is used to assess whether the cat is working correctly or not. If that one fails, then the CEL light should come on and the relevant OBD-2 code stored, but I don't think anything should be damaged.
If the one ahead of the cat fails, then it could, in the extreme, cause damage the catalytic converter, which is expensive to replace. If that one fails drivability could suffer also.
As to cost, I'm going to go way out on a limb here :P . Say the O2 sensor itself costs $100. Shouldn't take more than about an hour to replace either one, so my guess would be $200. Of course, your's is a BMW :shades: so that cost could easily be 2X higher.
OEM equivalents from Bosch will run @$95 for the pre-cat sensors and @$78 fpr the after-cat pieces.
In any case the fault codes need to be read in order to determine which sensor(s) is/are flakey.
Mine: 1995 318ti Club Sport; 2020 C43; 2021 Sahara 4xe 1996 Speed Triple Challenge Cup Replica Wife's: 2015 X1 xDrive28i Son's: 2009 328i; 2018 330i xDrive
Unfortunately I don't have the car as the engine service soon light went on again and I had to take it back to the Dealer again?!?! The Dealer said it was the catalytic converter that had been damaged by the gas flow when the High Pressure Fuel Pump went out. I don't know where to find the production date ? Is it on the inside of driver door stamp? It was not on the window sticker. I will check the driver door when I get the car back. I leased it in December of 2010 so I imagine the production is November of 2010 but I will confirm once you tell me where to look. The window sticker says Engine and transmission are from Germany and Final Assemble in Rosslyn South Africa. Thank you very much for any help
Best regards, Lehrer
I suspect the transfer case will die long before the engine- especially if the TC oil has never been changed.
Mine: 1995 318ti Club Sport; 2020 C43; 2021 Sahara 4xe 1996 Speed Triple Challenge Cup Replica Wife's: 2015 X1 xDrive28i Son's: 2009 328i; 2018 330i xDrive
Oil loss isn't necessarily due to engine wear. You could have some problem with your "oil separator" (fancy name for a PCV valve, which under certain circumstances, and with certain cars, can allow oil to be sucked into the intake manifold. Porsche Boxsters are notorious for this failure.
However, given the tiny amount of oil you are consuming, I wouldn't give it a second thought. If you find, over time, that consumption keeps dropping and dropping, then you should pay more attention--but even then, unless your consumption is even a quart every 2500 miles--the engine will run forever like that.
One quart every 750 miles seems extreme. I wouldn't be happy with that, either.
But a little oil burning is more than okay. When you see a product called "upper cylinder lubricant", that's actually oil that you add to the gas tank---for upper cylinder lubrication.
Modern engines don't really need it, but it can't hurt in those miniscule amounts IMO.
Precisely. That engine will outlive 2 or 3 slushboxes and 1 or 2 transfer cases...
Mine: 1995 318ti Club Sport; 2020 C43; 2021 Sahara 4xe 1996 Speed Triple Challenge Cup Replica Wife's: 2015 X1 xDrive28i Son's: 2009 328i; 2018 330i xDrive
I have 2 late model BMW's (2007, 2010) and neither use any oil between 5k mile oil changes. My wife owns a 2095 Mini and it doesn't use any oil either, and it has roughly 70k miles.
I would suspect you have a leaking valve guide/seal(s), but that's just a guess. Pull your spark plugs and look to see if any particular one looks like its accumulated oil. If they all look the same, then I wouldn't worry too much.
Some engines are just a bit "looser" than others, but still within manufacturing tolerances and standards.
1. Bad Fuel Pump - $800
2. Bad power steering - Whole unit needs to be replaced - $3300
3. Gasket leak - $350
TOTAL - $4500
Are these prices ok? Is it worth spending $4500 for a car that is almost 10 years old but doesnt have too many miles on it. Please suggest other mechanics. I took it to Autoscope.
Thanks
So the pump is about $360 list and the labor is about 2.2 hours. Soooo, based solely on what you're telling me, the price seems high for that.
I'm not sure what you mean by the 'whole unit" but I presume you mean the steering gear and not the pump. The gear is $1280 complete plus about 1.6 hours labor. So that seems high as well unless he's replacing the pump, too. Can it ALL be bad?
Can't say about the gasket leak because I don't know which gasket.
I would suggest you tow it somewhere else for a second opinion and estimate.
I'm basing my comments on some guesses as to what's being done here.
I sincerely hope that shop quote includes a kiss and fresh flowers delivered the next morning...
Mine: 1995 318ti Club Sport; 2020 C43; 2021 Sahara 4xe 1996 Speed Triple Challenge Cup Replica Wife's: 2015 X1 xDrive28i Son's: 2009 328i; 2018 330i xDrive
I am purchasing a BMW 330i with about 85k miles. I want to make sure the car is in good condition and have it inspected by the BMW dealer in town. My concerns are:
What types of repairs are expected at this mileage level?
Can the person selling the car tamper with the check engine light by cancelling the message on the onboard computer? I have heard of some people doing this and selling used cars. Once the new owner buys the car and drives for a few hundred miles, the light comes back and they are stuck with more serious issues that seemed not to exist.
Also, if I take it to the BMW dealer, will they be able to conduct an inspection and tell me what's wrong with the car even if there has been potential tampering with engine lights, etc?
Thanks for your help. Buying my first BMW and have been cautioned by many that repairs can be expensive, so I'd really like to be cautious and could use advice!!
You can clear a code from an OBDII equipped car, but if there is an actual fault the CEL will eventually return. That said, a good dealer should be able to detect actual tampering.
Mine: 1995 318ti Club Sport; 2020 C43; 2021 Sahara 4xe 1996 Speed Triple Challenge Cup Replica Wife's: 2015 X1 xDrive28i Son's: 2009 328i; 2018 330i xDrive
I called another BMW service shop and the guy there told me that from what he has seen the 335 and 535 turbo engines don't last. This oil burning eventually leads to very expensive work and I should think about selling the car. I really like my 335i but don't want to keep it and get stuck with a $$$ repair bill.
Thoughts?
I haven't heard of any long term durability issues with the N54/N55 engine, but I tend to focus on NA and M motors.
Mine: 1995 318ti Club Sport; 2020 C43; 2021 Sahara 4xe 1996 Speed Triple Challenge Cup Replica Wife's: 2015 X1 xDrive28i Son's: 2009 328i; 2018 330i xDrive
Mine: 1995 318ti Club Sport; 2020 C43; 2021 Sahara 4xe 1996 Speed Triple Challenge Cup Replica Wife's: 2015 X1 xDrive28i Son's: 2009 328i; 2018 330i xDrive
Two of my BMWs use virtually no oil, while two do. No big deal either way. The M42 in my E36/5 has used a quart every 2500 miles or so since I bought it new in 1995. What's odd is that it uses oil in suburban driving conditions, but hardly consumes a drop on the track or when cruising at 80 mph(4000 rpm)- go figure.
Mine: 1995 318ti Club Sport; 2020 C43; 2021 Sahara 4xe 1996 Speed Triple Challenge Cup Replica Wife's: 2015 X1 xDrive28i Son's: 2009 328i; 2018 330i xDrive
There is only one down-side to having an engine that consumes a bit of oil---you do have to check it between those 7500 mile oil changes. But it doesn't harm the engine to burn a bit of oil, it doesn't affect emissions, and it doesn't affect longevity.
So for coils and plugs we're at roughly $650, which leaves $850 to change the transmission fluid.
Ah.....no. Must either be more to this service or someone is being very nasty to you.
Mine: 1995 318ti Club Sport; 2020 C43; 2021 Sahara 4xe 1996 Speed Triple Challenge Cup Replica Wife's: 2015 X1 xDrive28i Son's: 2009 328i; 2018 330i xDrive
Thought Id seek some wisdom here. Recently my 06 330xi was shaking profusely while driving, so I took it to the dealer.
They said it was the iginition coil that needs replacing and $450 later, it is not shaking so much anymore.
The problem is that the shaking hasnt gone away completely.
The dealer also mentioned when I picked up the car, that the belt tensioner needs replacing as well and that would set me back by another $450 or thereabouts.
I have two questions:
1. Is the still slight shaking related to the belt tensioner?
2. What is the risk of not replacing the belt tensioner?
I have about 35k on the 06, and I dont drive more than a few miles each week on average. No daily driving at all.
Thanks in advance!
Just wanted to check if I should buy maintnenace either from BMW or any third parties, for my 06 330xi. I only have about 35k miles on it and some maintenance items are creeping up.
Any trusted maintenance companies out there?
I was getting mailers from some company in Missouri in official government looking letters and I reported them to the BBB. They look fraudulent, so I want to me careful.
Thanks!
Did all the regular maintenance in the car. Yesterday saw the service light go on.
Can someone tell me what are the most common reasons for this light to go on?
Will be going to get it checked out. BMW dealership stated that it will be $140 to diagnose the problem. The gas cap is perfectly fitted on...
Thanks for the reply. I dont hear any sounds, just a mild shaking since the iginition coil was replaced. Prior to that the shaking was pretty bad.
Im taking it back to the dealer. See what they say.
Thanks again!
This is my situation, i was driving with A/C Heater working perfectly fine, then all of a sudden i started to smell something that smelt like burning rubber, and the A/C heater stopped working once i shut off the car and turned it back on. Since then i have switched out the blower motor, the resistor, and the fuzes. But with no luck i still cannot seem to find out the reason. The animatronix panel still works but there is no blowing air out of any vents at all. What could my problem be?
Mine: 1995 318ti Club Sport; 2020 C43; 2021 Sahara 4xe 1996 Speed Triple Challenge Cup Replica Wife's: 2015 X1 xDrive28i Son's: 2009 328i; 2018 330i xDrive