Question about 1996 BMW 318

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Poor starting problem bmw 318 ti

Occainal starting problems when engine is cold dont beleve its electrical car does eventually start by pumping acselerator car runs perfectly when engine is warm. sometimes afet running for few hours car doesent want to start i thought it may be battery not being charged but it sometimes starts after being left overnight. What can i check

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WARNING! Always wear protective eyewear, gloves and necessary clothing before inspection or work begins. Never crank an engine over when you are near the battery or engine. A battery is filled with explosive gasses that can ignite when extreme heat or a spark is present. A battery could have residual acid on the outside casing so use caution when handling a battery and the surrounding area. Use baking soda to neutralize any suspected acid residue before work begins.

You can check the car battery using a multimeter or voltmeter an electronic one is preferred , connect the black wire to the negative side (-) and the red to positive , WARNING :DO NOT CROSS THE RED AND BLACK WIRES OR SHORT CIRCUIT THE LEADS OF THE BATTERY OR MULTIMETER YOU CAN GET SERIOUSLY HURT!!!!! you should also get a spare watering can and fill it with water ,  (dont reuse for other purposes for safety) and remove those little tabs (usually around 4 or more) and fill it up very little in each tab/cap make sure you DONT fill it to the top. The good condition of a battery is 12.5 and 12.8 volts on the multmeter and when the car is started it
(not driven just started) should around 14V which shows that your alternater (acts as battery charger when driving) is working properly.

Posted on Nov 14, 2008

  • Tech_PC Nov 14, 2008

    Make sure you replace the caps back on and check the output on voltage when the car is off and on


  • Tech_PC Nov 14, 2008

    http://www.justbajan.com/cars/maintain/0... good guide for battery health , 


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SOURCE: poor starting problem bmw 318 ti

www.pelicanparts.com They have technical info that may help. Or try www.bimmerforums.com . You can ask questions and get answers for free there too.

Posted on Jun 18, 2008

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