I have a 98 z3 BMW roadster with the 2.8 liter that I just put a motor in! I need a picture diagram of the vacuum hoses under the intake! I've tried asking where they go and run but I need the actual picture diagram of how they run or an actual picture of it! It would be greatly appreciated! Thanks

Hoses wear out , replace it . That hose is under a lot of pressure and heat and everything wears out and has a life. I would say that was a helluva hose to last that long and would suggest you look at all your hoses and belts especially if they have never been replaced.

The EGR valve opens when the engine is warming up, which allows exhaust to enter the intake manifold. This is essentially "extra air" coming into the engine. The engine has an "idle speed control" function, which is either a solenoid or small stepper motor connected to a valve that allows a controlled amount of air to "sneak" by the throttle plate in the throttle body. Fundamentally, it is the amount of air entering a fuel injected engine that controls engine RPM. A defective idle speed control ("ISC) motor or solenoid can cause the problem you stated. (I do not know which type is used in your BMW.) Often, a check engine light will illuminate of the engine computer cannot adequately regualte engine idle speed.

There is no one fix works on this O2 sensor code
P0170 - Fuel Trim Malfunction Bank 1
Possible causes- Intake air leaks
- Faulty front heated oxygen sensor
- Ignition misfiring
- Faulty fuel injectors
- Exhaust gas leaks
- Incorrect fuel pressure
- Lack of fuel
- Faulty Mass Air Flow (MAF) sensor
- Incorrect Positive Crankcase Ventilation (PCV) hose connection

I replaced motor and regulator I have no current going to motor there is current on the switch I ran my tester there is current going to window switch but not to motor

This is almost as expensive as installing a used engine, around $5,000.00 to $6,000.00 the last time I checked with BMW.

For the 1996 Z3 Roadster 1.9L DOHC In-Line 4-Cylinder:
Firing Order:
1 - 3 - 4 - 2
Cylinders:
(back)
|..4..|
|..3..|
|..2..|
|..1..|
(front)

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I too had similar problem when replacing the thermostat on my Z3. My advice is top up with more coolant and check the level.

ck your tail light seals also

You will find every single diagram for your BMW on this site. Even the manufacturing date of you car

http://www.realoem.com/bmw/

they are runon hydraulics you may have a leak in the hose but yes u can disconnect the motor and raise and lower it maunally