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  1. #1
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    Question Car overheated once. Cause for concern?

    Now bare with me, since I'm deployed and I'm only getting this story from the person who's job is to keep the life juices running in the Bimmer . . .

    After driving the car to the doctor's early last week and then back home, stopping by a place to grab some food, the car overheated and shut off (in their words, the "gas pedal didn't work anymore").

    It's about a 20-30 minute drive to the doctor's office and less than 5 minutes between the restaurant and the house. They say everything was fine, but when they were driving to the house from the restaurant that's when they got the overheated sign and the gas pedal quit working. They pulled over, turned it off and turned it back on, but the gas still didn't work.

    They left it there and picked it up 3 hours later with no issues. They're also driven it twice more since then and there haven't been any issues.

    Now it's my understanding that if it was the waterpump, that it's usually catastrosphic and that's it. I did flash Cobb Stage 1+FMIC V4.01 just before leaving, but I don't know if that has anything to do with it, or it was just a freak thing during all of the hot weather.

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    If you are around 60 000 miles or 100 000 km more likely than not its going to be the water pump. 335 has a build in protection against overheating so its not necessarily catastrophic. it will run you around 1000 bux

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    Click here to enlarge Originally Posted by El Duce Click here to enlarge
    Now bare with me, since I'm deployed and I'm only getting this story from the person who's job is to keep the life juices running in the Bimmer . . .

    After driving the car to the doctor's early last week and then back home, stopping by a place to grab some food, the car overheated and shut off (in their words, the "gas pedal didn't work anymore").

    It's about a 20-30 minute drive to the doctor's office and less than 5 minutes between the restaurant and the house. They say everything was fine, but when they were driving to the house from the restaurant that's when they got the overheated sign and the gas pedal quit working. They pulled over, turned it off and turned it back on, but the gas still didn't work.

    They left it there and picked it up 3 hours later with no issues. They're also driven it twice more since then and there haven't been any issues.

    Now it's my understanding that if it was the waterpump, that it's usually catastrosphic and that's it. I did flash Cobb Stage 1+FMIC V4.01 just before leaving, but I don't know if that has anything to do with it, or it was just a freak thing during all of the hot weather.
    Most possibly your water pump and/or thermostat on it is going. What's the mileage on the car?
    Click here to enlarge

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    ~24k miles, still under the original warranty.

    I would just ask the person watching it to drop it off at the dealership to get it checked out, but I don't think she's up to the task of tuning it back to stock via the AccessPort.

    Anybody in the DC metro area want to meet up and do it this weekend? I'll have her give you money for a case of beer or a bottle of jack.

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    Most probably your water pump. I just changed mine (78k), and had changed once before at 48k...
    SOLD --'07 E90 335i, PTF COBB E50, HFS4, ER CP, ETS 7", AA DP, Vishnu Exhaust, DCI, ACT, Nitto Nt555

    '10 E92 335i M, 6MT COBB v3, ER IC, ER CP, VRSF DP, Fuel-it st2
    installing soon: Mfactory LSD, , powerflex subrframe bushings

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    +1 on the water pump

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    If it went into limp there will be codes, which should let you know what going on. The thermostat and waterpump both have specific codes to identify what the issue is.

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    it most definitely is the waterpump. When it fails the car goes into limp mode and you get 3% throttle, and the fans go on highspeed.

    I would try to have them change the t-stat and waterpump.

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    I really appreciate it guys. I'm going to have the person taking care of the car meet up with a fellow BimmerBoost member who's going to reflash the car back to stock, and then they'll take the car to the BMW dealership and hopefully I can get both the pump and t-stat replaced.

    Then it's on to getting a scratch fixed and then some RB turbos . . . Click here to enlarge

    FWIW, the 2 subsequent trips where it didn't overheat were apparently only around the corner to the store. No real time for the car to get hot.

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    When you reflash the car back to stock it will erase the codes triggered when it overheated and the dealer wont be able to do anything. You have two options- have them reflash it to stock then wait till it overheats again which isnt great for the car, and bring it in. Or find a dealer who is cool with mods and just bring it in now. They can scan the car see the codes, then you would reflash the car and let them replace the waterpump. Good luck!

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    Well $#@! . . .

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    Do you trust this person completely who is looking after your car?

    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
    : http://www.boostaddict.com/showthrea...r-kit-for-sale

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    Shouldn't something like that trigger an alert? At least a service light or something?

    Just wondering for myself.

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    Click here to enlarge Originally Posted by e92 Click here to enlarge
    At least a service light or something
    Click here to enlarge
    There are two theories to arguing with women. Neither one works

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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    Do you trust this person completely who is looking after your car?
    Absolutely. She however doesn't know anything about cars.

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    Click here to enlarge Originally Posted by El Duce Click here to enlarge
    Absolutely. She however doesn't know anything about cars.
    She may have done something stupid without even realizing it or had a little too much fun with it in hot weather. Maybe not the kind of person that would do that but...

    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    She may have done something stupid without even realizing it or had a little too much fun with it in hot weather. Maybe not the kind of person that would do that but...
    No. With her I would be more worried about her using the horn up before anything else.

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    Click here to enlarge Originally Posted by DavidV Click here to enlarge
    Click here to enlarge
    I got that once.. Just once. I pulled off the highway and got a pint at a bar. It was fine an hour later. Never happened again

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    Well they're going to pull the codes this weekend and hopefully I'll have a better idea if it's the waterpump or the t-stat. If there's no codes, then it really may just have been because it was was balls hot?

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    Click here to enlarge Originally Posted by El Duce Click here to enlarge
    Well they're going to pull the codes this weekend and hopefully I'll have a better idea if it's the waterpump or the t-stat. If there's no codes, then it really may just have been because it was was balls hot?
    If no codes looks like it would be the heat then.

    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
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    It's the waterpump. Click here to enlarge

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    Click here to enlarge Originally Posted by El Duce Click here to enlarge
    It's the waterpump. Click here to enlarge
    $#@! happens. At least you have a prognosis.

    It can always be worse!

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    Click here to enlarge Originally Posted by MisterEm Click here to enlarge
    $#@! happens. At least you have a prognosis.

    It can always be worse!
    Well just got word that the car overheated again on the way to the dealership, so at least now there's a code for it in the system.

  24. #24
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    Click here to enlarge Originally Posted by El Duce Click here to enlarge
    Well just got word that the car overheated again on the way to the dealership, so at least now there's a code for it in the system.
    You know what it is now and they will cover it. It will get fixed shortly.

    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    You know what it is now and they will cover it. It will get fixed shortly.
    Also got word that they were pushing back some telling my sister something to the affect "there's a lot of aftermarket parts on this car."

    The only one I would think give them pause is the FMIC. The stuff is LED lights for the angel eyes, aftermarket wheels and the BMW Performance Exhaust. She said they put the new one on and it didn't work. They then asked if the car was chipped.

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