20 Most Recent 1997 BMW Z3 Roadster Questions & Answers


as you've had the OBD scanned i'd go with getting the codes erased, after noting down what they were, and see if problem persists, if does then change whatever the codes indicate

1997 BMW Z3... | Answered on Jun 05, 2017


German cars are weird. Changing a battery can disable many things. It will have to be reset by computer. Don't be surprised if you have to go to the stealer dealer for that.

1997 BMW Z3... | Answered on May 30, 2017


fan electronics start at the sensor in the cooling system, and sends a signal to the ECM which in turn closes a relay and turns on the fan/s
There are 2 fuses in the system. one for the power to the sensor and one for the power through the relay
I suggest an accredited auto electrician with experience on your vehicle to quickly find the problem point.

1997 BMW Z3... | Answered on Jun 09, 2015


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.

1997 BMW Z3... | Answered on Feb 23, 2015


Change thermostat since you change coolant. Also did you fluch radiator and clean the fins on radiator? Make sure new fan clutch works and also that you have proper pressure cap on radiator

1997 BMW Z3... | Answered on Jan 05, 2015


for P0740 it is:
OBD-2 P0740 - Torque Converter Clutch Circuit/Open
OBD 2 net 24048029-pmx1u32kwnqlluv3tiqttm5t-1-0.jpg TCC malfunciton P0740 OBD II Code

1997 BMW Z3... | Answered on Dec 16, 2014


One of 2 things. The part on the end of the starter called a bendix is bad (most likely and less expensive) or the ring gear that the bendix engages is bad. (less likely MORE expensive). If you are comfortable with the work try locating a starter locally and replace it yourself.

1997 BMW Z3... | Answered on Aug 09, 2014


High pressure pump pressure sensor.

1997 BMW Z3... | Answered on Jul 08, 2014


REPLACE YOUR SEAT RAIL BUSHING

1997 BMW Z3... | Answered on Jun 17, 2014


If you just got gas, check your gas cap is closed tightly. If it isn't it can't pressurize correctly.

1997 BMW Z3... | Answered on May 04, 2014


Remove all spark plugs and see that they all look the same as each other in the electrode area if one looks darker than the others or oily
then you have a faulty plug or ignition unit. In the case of an oily plug it's going to be a bit more serious

1997 BMW Z3... | Answered on Apr 19, 2014


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

1997 BMW Z3... | Answered on Mar 20, 2014


Check all belts pulleys could be injector prob

1997 BMW Z3... | Answered on Nov 13, 2013

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