i have a 325i which was used as a dailey runner up till 3 years ago.
its was moted and serviced and sat on my drive since.
every few months i start it and take it around the block.
but now it runs lumpy. when i give it gas it wants to stall.
any advice on whats wrong please
325i running funny
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kam-325i
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First thing i would check is the rubber boot on the air intake, the ICV and blue temp sensor.
Pete don't care about colour, He would shag a rainbow if he could find the end of it....
How long are you running it and are you using all the 5 litres of fuel? If not running it for long you will just be sucking through old fuel and crud from the bottom of the tank....
If its not that I would check your idle control valve, like Kam said. If you find it coughing and spluttering when you rev it it might be the rubbert boot - as you you rev the engine, the centrifugal force will cause the engine to rock pulling it away from the boot...if there are any cracks in the boot they will then open and draw air in and the car will splutter. I had this happen to me on my old E34 518i when the boot failed....I had to pull away really slowly, any sudden acceleration and the car just kangarooed.
The other thing I would check are your leads and dizzy cap? Is there any dampness in there is the arm and cap in good order? If your leads are old and damp then they won't be insulating properly meaning that you won't get a strong spark.... Again I had this happen when I first bought my 327i (then a 320i)... In the damp sometimes the car would not start....or it would run badly. Spraying duck oil/wd40 on the leads will help temporarily insulate them but if that fixes it you will need new leads...
Hope this helps.
If its not that I would check your idle control valve, like Kam said. If you find it coughing and spluttering when you rev it it might be the rubbert boot - as you you rev the engine, the centrifugal force will cause the engine to rock pulling it away from the boot...if there are any cracks in the boot they will then open and draw air in and the car will splutter. I had this happen to me on my old E34 518i when the boot failed....I had to pull away really slowly, any sudden acceleration and the car just kangarooed.
The other thing I would check are your leads and dizzy cap? Is there any dampness in there is the arm and cap in good order? If your leads are old and damp then they won't be insulating properly meaning that you won't get a strong spark.... Again I had this happen when I first bought my 327i (then a 320i)... In the damp sometimes the car would not start....or it would run badly. Spraying duck oil/wd40 on the leads will help temporarily insulate them but if that fixes it you will need new leads...
Hope this helps.
James
BMW E30 327i
BMW E30 M3
BMW E30 327i
BMW E30 M3