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      11-11-2016, 08:21 AM   #1
phierce
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N55 hesitation

Today on the highway i am doing 110km in 4th and i floor it and it doesnt react for about 2 seconds, i try it again same scenario it goes as expected i try it again and this time its like 3 secconds. I checked for codes nothing with my bt odbd, no cel either....

Any ideas what i should look at ? Any one experience this ?
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      11-11-2016, 09:45 AM   #2
Ric in RVA
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Quote:
Originally Posted by phierce View Post
Today on the highway i am doing 110km in 4th and i floor it and it doesnt react for about 2 seconds, i try it again same scenario it goes as expected i try it again and this time its like 3 secconds. I checked for codes nothing with my bt odbd, no cel either....

Any ideas what i should look at ? Any one experience this ?
Try Third....
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      11-11-2016, 10:02 AM   #3
phierce
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why would i try 3rd when it works fine in 4th once than second time it doesnt with same rpms,
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      11-11-2016, 10:56 AM   #4
Ric in RVA
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Quote:
Originally Posted by phierce View Post
why would i try 3rd when it works fine in 4th once than second time it doesnt with same rpms,

May not be throwing codes, but it might be lugging it to go WOT and system is responding to a knock or ping that is cutting timing.

Probably doesn't do it in third....

No way to log?
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      11-11-2016, 12:00 PM   #5
phierce
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I have a BT odbd I guess I could use an app to log any recommendations for android apps if that will capture the faults.
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      11-11-2016, 01:45 PM   #6
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On the hwy just now and car overheated and had zero power in all gears pulled over seems coolant boiled over no codes .....
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      11-11-2016, 01:56 PM   #7
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Quote:
Originally Posted by phierce View Post
On the hwy just now and car overheated and had zero power in all gears pulled over seems coolant boiled over no codes .....
Time for a trip to the shop.

Good luck

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      11-11-2016, 06:36 PM   #8
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I towed her to the shop not risking driving it, I'm hoping its just a water pump as they are known to fail. I noticed the Car only hesitates when warm. I was lucky to get off a 7 lane hwy with zero throttle to a side road.

I only have 60000 km shitty way to end the week
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      11-17-2016, 06:49 PM   #9
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Water pump, thermostat and coolant replaced brought my 135 back to life. Runs like a champ again no hestitaions today driving around town. Also got mechanic to remove CDV wow what an awesome feel now shifts are smooth and crisp. $1100 cad later BTW
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      11-17-2016, 07:00 PM   #10
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Exact same thing happened to my 135i when the water pump broke. Your car was putting itself into limp mode.

A few days before my failure, I noticed a hesitation while on the freeway in 6th when I hit the gas. Then, while in the fast lane of the 5, I got the engine temp warning, and the car went into full limp mode. I thankfully there was minimal traffic, as I had to pull across 6+ lanes with the hazards on and no power. New water pump, thermostat and fresh coolant at the shop and I was on my way. I had around 32k miles at the time IIRC, so not far off from where you're at.
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      11-19-2016, 09:10 AM   #11
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I wish it would throw a code when it was hesitating so I could of addressed the issue instead of killing all power on a 7 lane hwy
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      11-19-2016, 10:00 PM   #12
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Also same situation for me when my water pump failed
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