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Thread: 100m miles to much

  1. #1
    Join Date
    Jul 2006
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    chicago
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    31
    My Cars
    1995 318ic convertible

    100m miles to much

    Is a 100m miles to much on a 2006 z4 how long do these engines last

  2. #2
    Join Date
    Jun 2007
    Location
    Seneca, SC
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    364
    My Cars
    2007 750i BMW; 2003 Z4 3.0 BMW; 2002 Lexus LS430;
    Depends on how they are used. One that has been "rode hard and put up wet" may need a rebuild at 75,000 miles where one that has never been abused may go for 200,000 miles or more before a rebuild.

  3. #3
    Join Date
    Jan 2016
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    Ca
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    6,981
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    2001 525it
    As long as you don't overheat the engine and change the oil every 5k, they will last quite a long time.

  4. #4
    Join Date
    Oct 2007
    Location
    Washington DC area
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    186
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    Zed4
    Quote Originally Posted by jimbo409 View Post
    Is a 100m miles to much on a 2006 z4 how long do these engines last
    I would like to see a z4 hit 100 million miles though I assume you meant 100k miles. Anyway, as george mentioned, it all depends on how it was cared for.

  5. #5
    Join Date
    Nov 2007
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    Virginia Beach, VA
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    "Road Hard and Put up wet' really has nothing to do with it. As it was said, it's all about the maintenance. I have seen M54's (and you can extrapolate this to other engine series) that had over 150k with 50K of track miles on them and the cross hatch is still on the cylinder walls. With just your average street use and average maintenance most BMW engines last 150K to 200K.

  6. #6
    Join Date
    Mar 2011
    Location
    Southwest, Ohio
    Posts
    213
    My Cars
    2007 Z4 3.0Si
    Well, my kids e30's, both being 318's so they had the M42 4cyl engines. The 1991 318is had 464k miles on it when my youngest decided to sell it and I replaced the clutch and had head rebuilt after a head gasket leak. Never overheated, but I figured it was time anyways. Lots of general maintenance and age related parts replaced. Every hose replaced. It was still running smooth as new when it rolled out of our driveway. My older sons 1991 318i is still running strong with 184k and he drives it daily year round. I change the oil every 6months as he's a full time student at UC and it's usually around 5-6k miles a year and on our 6th year with it. When I pulled the head covers on both of these, the top end components were in amazing shape. Even the primary drive gears showed very little wear on teeth!? So.. a well maintained engine driven like a baby or they we're stolen will last a long time. It may or may not be cheap in miscellaneous parts but the blocks themselves seem very well designed. The only worry I have with these cars are the automatic transmissions. Seems like bmw outsourced this major component to companies that aren't as well staffed with engineers. But again, proper maintenance is key.
    Last edited by cdsweet; 08-30-2017 at 07:26 AM.

  7. #7
    Join Date
    Sep 2010
    Location
    US
    Posts
    1
    My Cars
    Z4
    I have 175K on my 2005 Z4 3.0. This is my only car, bought it new, live in Massachusetts, drive it every day, every season. Garage at home and at work. About 30 miles to work. Still same clutch. Basically I just change oil every 15/20K plus brakes and tires every now and then. Stopped regular maintenance when the warranty run out at 60K. I also never use high octane gas, the cheaper the better . Race it to about 100 mph at least once per week. All is fine. The first major issue just happened, had to replace roof motor. That's about it.

  8. #8
    Join Date
    Jan 2008
    Location
    Arida Zona
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    30,108
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    z3
    100m as in 100 million may be a bit too much

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