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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

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Old 03-17-2013, 10:34 AM   #1
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Throwing Codes.....no more!

Great Forum, Thanks!

We bought my son his first car "00" 323i 150k miles, after a few new parts like the Power Steering pump & reservoir, belts, pre-cat 02's, plugs, cleaned MAF, CCV valve and 3 hoses the car has now passed smog. 129 was the high for the HC PPM's blowing out the exhaust, it dropped to 29 once the CCV and hoses were replaced.

We started with the dreaded P1189 & P1188 codes along with 0170/0173/0305/0306 whittled it down to only the 89 & 88 codes which were fixed with the CCV and hoses.

I neglected to say the car failed smog twice and we had a smoke test done. all other repairs my son and I did ourselves with the help of this site.

So now the question!
With this many years and miles on this car and us not knowing the maintenance history (auction car) would anyone recommend any additional maintenance before I throw my 17 yr old out on the road with this car?? and yes the brakes are new. Thanks
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Old 03-17-2013, 11:12 AM   #2
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water pump and expansion tank, maybe radiator, check subframe

don't buy a car at auction

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Old 03-17-2013, 12:39 PM   #3
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The Car was bought for $2400 and runs like a top now, little work with a pretty good savings. The auction was a "dealers auction" which I'm told is slightly better than an auction on the corner of "redneck" & "pull my finger" ran by a guy called Billy Bob.
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Old 03-17-2013, 12:42 PM   #4
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Definitely do the cooling system or at the very least the water pump and expansion tank.
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Old 03-17-2013, 12:48 PM   #5
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Make sure the door locks, key fobs, and power window regulators work. Also check the coolant reservoir for leaks.
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Old 03-17-2013, 01:33 PM   #6
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The first thing I would do, based on your car, is get a rear subframe inspection. Early E46s had issues with the subframe tearing loose from the unibody. If you have cracks, you can cut your losses now. If it's still sound, do the epoxy stiffener "fix" and keep your fingers crossed.

Other than that, the cooling system is really the only major maintenance item that's unique to these cars. See Mango's posts for info on that and a good list of "bring it back to reliablilty" maintenance suggestions. He has links to some of his instructional posts in his signature. That would be a good place to start. Just do a search for "Mango".

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I just don't know what I'd do with 560 hp that doesn't involve getting arrested.
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