1999 E46 318i - technical help required for someone with very little knowledge!!

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  1. 1999 E46 318i - technical help required for someone with very little knowledge!! 
    #1
    Bimmer Fan
    Car Details
    bengarside's Car Details
    Model of Car:
    318i
    Year of Manufacture:
    1999
    Transmission Type:
    manual
    Car Body Type:
    saloon

    Join Date
    Feb 2010
    Location
    Huddersfield
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    I know very little about cars so please bear with me!!

    I have just purchased a BMW 318i (1.9L) V reg (1999). (E46 etc, and don't really know what that means!)

    Anyway, i bought the car from a local couple who have kept their car in their garden for the last 2-3 months, so it has not been run at all over winter. When i went to test drive it, it wouldn't start at all, so i had to charge the battery for a few minutes using a battery charge of my dads. it then started OK. when we took it out, for the first mile or so, the car felt as if it was 'missing' ie. intermitent loss of power, but when the car 'warmed up', it then drove perfect.

    I bought the car as it seemed to be good value for it's age and mileage (100k) and we thought the 'missing' was just due to the fact it had been stood idle over winter and would clear up. it has been 2 weeks now and if anything it is worse. For example on my way to work yesterday, after about 2 miles, i set off in first to pull out of a junction, and the power loss was quite significant for a second or so. i put my foot down and there just doesn't seem to be a response for a couple of seconds.

    again, when i have driven the car for about 3-4 miles, it drives perfectly.

    I took it to a garage yesterday to put it on a computer and it found the following 4 errors:

    171: Mixture adaptation Upper Limit, Multiplicative

    115: characteristic-based cooling electrical fault

    122: Coolant temperature sensor signal improbable

    125: Lamda sensor upstream of CAT short to earth


    My question is, are any of the above serious? and also which one is the most likely to be causing the intermitent power outages i'm experiencing at the start of my journey?

    Help!!
     
     

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    #2
    Platinum BFuk Member
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    mikaveli's Car Details
    Model of Car:
    535i Sport
    Year of Manufacture:
    1998
    Transmission Type:
    Manual
    Car Body Type:
    Saloon
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    Well, you've got two obvious ones - you need to replace your car's Lamba sensor - this could be responsible for your cars poor running as it attempts to adjust the fuel mixture.

    Secondly, you have a fault with one of you cooling system sensors (or worst case, with your cooling system) - get it looked at before it gets expensive.
    "So give me one more platinum plaque and rap, you can have it back." - Dr Dre

    Spinnin' on digital 22's!
     
     

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    #3
    BMW Guru
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    mark@vorny.co.uk's Car Details
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    911 C2S
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    2009
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    Can you please edit your title in accordance with forum posting rules;

    YEAR / MODEL DESIGNATION (Exx) / MODEL - ISSUE
    2013, Porsche 911 Carrera 4S, PDK, Sports Exhaust, Chrono, etc, etc

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    PLEASE READ THE POSTING RULES & HOW TO CORRECT THREAD TITLES & THE SELLING RULES
     
     

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    #4
    BMW Maestro
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    jcjdavis1's Car Details
    Model of Car:
    323ise
    Year of Manufacture:
    1999
    Transmission Type:
    Auto
    Car Body Type:
    Saloon
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    Hi. On your 171, check the links.
    http://bmwfans.info/parts/catalog/E4...e_ventilation/
    No.1 valve, No3 hose CrankCase
    Scroll down to Vacuum Control-hoses 1,5,12,14
    No4 non-return valve
    No2 T-piece
    http://bmwfans.info/parts/catalog/E4...jection_valve/
    No7x4
    No17
    http://bmwfans.info/parts/catalog/E4...r_flow_sensor/
    No3
    I also changed the MAF and Air-Filter
    The vacuum hose comes in one length but look at the hoses on your car and a couple come with a cover (possible heat shield)
    I got The MAF,Air-Filter,Crancase Hose and Valve from Euro car parts, the other parts from the Dealer (reasonable price).
    It is worth while checking all your hoses. Jim
    The older I get the wrong bit gets stiff !!
     
     

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    #5
    Bimmer Fan
    Car Details
    bengarside's Car Details
    Model of Car:
    318i
    Year of Manufacture:
    1999
    Transmission Type:
    manual
    Car Body Type:
    saloon

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    Feb 2010
    Location
    Huddersfield
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    thanks!
     
     

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    #6
    BMW Maestro
    Car Details
    jcjdavis1's Car Details
    Model of Car:
    323ise
    Year of Manufacture:
    1999
    Transmission Type:
    Auto
    Car Body Type:
    Saloon
    jcjdavis1's Avatar
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    Quote Originally Posted by bengarside View Post
    thanks!
    Hi. Just curious, what work have you done on the car and is it going any better? Jim
    The older I get the wrong bit gets stiff !!
     
     

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