Question about 1999 BMW Z3

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My 1999 BMW Z3 will crank & will not start.I used Bavarian code reader code A9 & code 44 show up.What do I need to replace?

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mensa man

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An engine needs fuel, compression, and spark to go....check those things first. Put a fuel pressure gauge on the rail, then remove a plug and ground it to see if it sparks, lastly, run a compression check on it. make sure the cam is turning as well.

Posted on Feb 03, 2015

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My 1999 bmw z3 will crank but will not start , code A9 & 44 shows up , air pump keeps running when ignition is on & drains the battery out.engine light & EML light comes on.


Not sure on this one.....if it's "drive by wire" that means the accelerator pedal is connected to the intake electronically, and that may be where the A9 code comes from. Saturns are drive by wire and it's a common failure point for them. spark, compression and gas is all you need for the engine to run. you can put a fuel pressure gauge on the rail to determine fuel, assume that the compression is good, and pull a spark plug and ground it while cranking to see if gets a spark...

Feb 18, 2015 | 1999 BMW Z3

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My 1999 z3 engine not starting,


I have found some information i think may help you to sovle your no start issues http://autorepair.about.com/od/troubleshooting/a/ts_no-start.htm

Feb 16, 2013 | 1999 BMW Z3

1 Answer

Bmw z3 1999 will not crank


The problem sounds like the battery has run down. Even though the ignition is off, things like clocks and the radio draw small amounts of power to retain their settings, and the instrument cluster doesn't draw as much power as the starter. It usually takes about a month or so to drain the battery. Try jump starting the car, or put it on a battery charger for a while.

Aug 11, 2012 | 1999 BMW Z3

1 Answer

Replaced water pump in 2001 bmw z3 and now car won't start


I would suspect that you pulled a wire off when you were installing the water pump. Check to see if you have spark

Feb 19, 2010 | 1999 BMW Z3

1 Answer

I HAVE A 1999 BMW Z3 ROADSTER. IT HAS A HALF TANK OF GAS AND SOUNDS LIKE THE FUEL PUMP IS ON WHEN YOU OPEN THE IGNITION. WHEN I TRY TO START IT, IT CRANKS BUT WILL NOT START. WHAT ELSE COULD BE THE...


if you can heard the fuel pump noise and sure that you have enough fuel, then it may be you have a problem with ignition system or faulty crankshaft sensor.

Jan 22, 2010 | 1999 BMW Z3

1 Answer

BMW Z3 rough idle on start codes read P1189 , P0173


all the codes you have are all related to the fuel trim, this problem needs to be looked at with a european capable scanner for futher tests sorry.

Dec 05, 2009 | 1999 BMW Z3

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