Car Acting Strange RPM Problems Need Help
12-26-2012, 06:23 PM
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Car Acting Strange RPM Problems Need Help
Whats up brothers im having a little bit of problem with my car it just randomly started happening when im driving the car on a cold start the rpm jumps up by itself and i hear the engine rev i dont know what is going on heres a video for you guys to see rpm jumps up without me pressing the pedal only happens in the morning i dont know what is wrong i let the car warm up 5 minutes before i drive
12-26-2012, 07:43 PM
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My Ride: Sapphire Black 07 530i non-sport
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I had a similar problem and had to change out my ignition coil and spark plugs.
12-27-2012, 09:14 AM
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thanks for the reply brother the car gave me a service engine soon message when I turned the car on after not driving for a month the mechanic read misfire on cylinder #2 the next day the message went away the mechanic said not to worry about so I don't know what to do now
12-27-2012, 03:36 PM
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My Ride: Orient blue '05 545i, Sport/Premium Pkg, 6Speed MT, Xenon, Navi, Blue2th, PDC,
On the video I see that you have 122k miles. Did you replace spark plugs at 100k?
At minimum you need new ignition coil on cylinder #2.
My recommendation: full set of spark plugs and full set of ignition coils.
At minimum you need new ignition coil on cylinder #2.
My recommendation: full set of spark plugs and full set of ignition coils.
12-27-2012, 04:13 PM
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+1 I don't believe in changing one spark plug at the time after 20+k miles. It will be best to change them oil and you'll notice the change.
12-27-2012, 04:13 PM
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Yes I did I don't know what to do men I'm so confused the car doesn't read any signs
12-27-2012, 04:35 PM
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12-27-2012, 06:05 PM
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RPM rough idle
I was having the same problem earlier this week, went to the stealer, I mean dealer for a recall for my 05 525i and also I received an Excessive Emissions warning through I-Drive.
They conducted a diagnostic for $175 to confirm the rough idle, and then gave me a quote of close to $2800 to repair the "Excessive Emissions" warning.
I left with a $340 labor charge, my two other warning light problems were not addressed, needless to say, when I got home I checked my air filter, removed it and noticed some huge oak leaves in there. I removed them, vacuumed the rest of the debris, started the car and the warning light disappeared, and the car is no longer running rough, especially when a stop or in park.
Try checking you air filter, it's a lot cheaper than the $2800 the stealer wanted to charge.
They conducted a diagnostic for $175 to confirm the rough idle, and then gave me a quote of close to $2800 to repair the "Excessive Emissions" warning.
I left with a $340 labor charge, my two other warning light problems were not addressed, needless to say, when I got home I checked my air filter, removed it and noticed some huge oak leaves in there. I removed them, vacuumed the rest of the debris, started the car and the warning light disappeared, and the car is no longer running rough, especially when a stop or in park.
Try checking you air filter, it's a lot cheaper than the $2800 the stealer wanted to charge.
12-27-2012, 08:03 PM
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My Ride: Orient blue '05 545i, Sport/Premium Pkg, 6Speed MT, Xenon, Navi, Blue2th, PDC,
Since you have new spark plugs I would replace the ignition coil on cylinder #2. New Bosch coil is about $35 and it is very easy to replace.
What engine do you have?
http://www.partsgeek.com/catalog/200...ml?brand=bosch
Sometimes it is cheaper to replace all the coils as a preventive maintenance instead of paying the dealer to look for the problem.
From my own experience I can tell you that new set of coils make the engine run much better (545i with 116k miles)
Last edited by dawid_w; 12-27-2012 at 08:20 PM.
12-28-2012, 09:42 AM
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Since you have new spark plugs I would replace the ignition coil on cylinder #2. New Bosch coil is about $35 and it is very easy to replace.
What engine do you have?
05 2005 BMW 545i Ignition Coil - Engine Electrical - Bosch - PartsGeek
Sometimes it is cheaper to replace all the coils as a preventive maintenance instead of paying the dealer to look for the problem.
From my own experience I can tell you that new set of coils make the engine run much better (545i with 116k miles)
What engine do you have?
05 2005 BMW 545i Ignition Coil - Engine Electrical - Bosch - PartsGeek
Sometimes it is cheaper to replace all the coils as a preventive maintenance instead of paying the dealer to look for the problem.
From my own experience I can tell you that new set of coils make the engine run much better (545i with 116k miles)