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E46 M3 Marketplace Owners Classifieds E46 M3 For Sale / Wanted

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      10-24-2019, 03:05 AM   #1

Drives: 2008 BMW 335i
Join Date: Sep 2019
Location: Los Gatos

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Looking to buy e46 m3

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I found a really(what looks to be nice) 2003 M3 with 6 speed MT. I don't know anything about m3's especially the e46. With it being a 16 year old car with 134k miles on it I wanted to know how much it costs to maintain on average per year. Is there anything to really look out for?

this is the carfax:

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      10-24-2019, 08:23 AM   #2

Drives: AW E92 M3
Join Date: Aug 2017
Location: Idaho

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The E46 platform has its what seems normal things to watch out for. M3 will have a ton of information you are looking for as I have even on that forum over 10 years. With the mileage though you will need to start thinking about some of the more common things. If you can do some things yourself you will save a ton. Things to look at with 134k miles

- All cooling components are due to be checked if not done so.
- Bushings if all are original will probably need replaced.
- Check the subframe for cracks.
- Valve Adjustment
- Vanos Check
- Rod Bearing - Less common on E46 Platform

With that I have learned the E46 M3 is hit or miss I have seen people with non stop on going issues at that mileage versus I have had mine for 12 years and really only had to replace a thermostat, battery, 3 alternators (they think my subs are causing it) and regular maintenance. Do I love the car, hell yes. I have no plan of getting rid of it and they are a blast to drive.
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      10-24-2019, 12:22 PM   #3
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Drives: Frozen Red e92 ZCP
Join Date: Dec 2015
Location: SF Bay Area

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Go check out

That's where the e46 enthusiasts hang out.
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      11-22-2019, 01:00 PM   #4

Drives: 05 M3, 04 M3iT , 01 M5, 17 i3
Join Date: Apr 2008
Location: West Chester, PA

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2017 BMW i3  [0.00]
2005 BMW M3 Coupe  [0.00]
2004 BMW M3 Wagon  [0.00]
2001 BMW M5  [0.00]
Here's what the car needs at various intervals. Anything you don't have proof of having been done, you should do.

The key to happy e46 M3 ownership is locking down the subframe and vanos before they have an issue (super cheap if you do it preventatively, super expensive if they fail) and staying on top of maintenance, to keep the car driving like new and as reliable as new.
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