BMW Z4 Questions

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When starting the car after sitting 3 months had to be jumped. Then started fine but engine runs in low rams and in spurts. Won't change when stepping on gas and can't drive it. What could be wrong?


The motor for the convertible top won't work - the repair bill in this area is astronomical. My question is - can you have the motor rebuilt?

ac was working fine and started blowing hot air all of a sudden

the top works but sounds like it's straining. Makes a sound like it neesds oil in the motor

Trunk won't open electronically, gas hatch won't open electronically, top won't go down, IF windows go up, they stutter open once key is inserted and won't go back up.
Interior and trunk lights blink.I charged battery for approximately 90 minutes and everything worked perfectly for one day, battery went dead after two days without driving, so replaced battery and all above problems continue.

just bought car that had one key

there is a clicking sound under the hood near the starter.

I out tue key in and no power or light come one. It was fine and then one day has no electrical power

the cooling and heater lights are not on

car will not take gas when this happens...........turn key off and restart and you can take off fine...keep speed above 30 and no problem

engine will not turn over after cooling down for several days starter does not engage

The steering wheel sticks when turning

Was replacing purge valve and the hose came off the other end by or on the throttle body. Can't find the nipple it goes to. Any help is appreciated.

Mechanic tried to reprogram it to the car said module would not let him reset the code.Any way to unlock the module so it can be coded the the car?

It just started. Hoses and belts seem to be ok

My Z4 has been hesitating upon start and then makes a grinding noise as it starts. This lasts just a few seconds, no more than 10. It doesn't do it every time, seems to happen only in he mornings but later in the day when I start it again it seems fine. Had the battery checked and the alternator both checked out. Took it to a shop but since they can't hear the problem as I already started it they don't know and say it's starts fine, which it does sometimes.

. . .light up continuously. The manual says it has something to do with the Dynamic Stability control on the car. Has anyone experienced this and what could be causing this? Also what kind of repair charges can I be looking at. It came on before but went out. It came on again about 40 miles later. Does not seem to impact the ride or braking but I just purchased the car so still getting familiar with the ride.

I just had a 4 wheel alignment. I believe there may be an issue with the steering column or electric power steering

Drove fine to work, went out for lunch noticed battery light first and then all of a sudden my temperature gauge went into the red zone and a red light came on. Checked the coolant, it was low. so I added some coolant and car seemed happy for the few minutes the warning lights went off. Then back on they went. I pulled over and had it towed... I have replaced the reservoir tank already, so it shouldn't be a radiator issue. I just most recently had some ca-smog things replaced. Wondering how much money to fix this time and/or is it time to give up?

A long nail runined my tire so I put one on to replace it on the passenger rear side. Do I need to replace the other back tire?

cranks but wont start

Have 150K miles on it and just replaced, radiator, ball joints, arms, front brakes, new tires, battery, and front end alignment. This happens between second and third gear on my automatic transmission (25 to 40 mph). It seems to spin, then catch, and accelarate, the RPMs jump up and down when this happens. Any advise? Computer can't find anything wrong,,,,mechanic wants to replace shocks due to leaking but don't think this is my issue for this problem,,,thanks!

car sways a little to on rough surfaces