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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

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Old 07-14-2010, 10:44 PM   #1
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Join Date: Sep 2006
Location: Fredericksburg, VA
Posts: 197
My Ride: 2003 330ci
Exclamation Car went into limp mode and the code ran P1732, please HELP!!

I'm tired of dealing with this but here we go.

I was at a red light, felt my car shift gears and go into limp mode. I drove home, and then to firestone to get my codes read. Both P1732 and P0128 ran, but the P0128 is in reference to my thermostat that I'm replacing soon. The P1732 is "Gear Ration for substitude function 4.the gear". I have no idea what that means and I'm hoping someone can help.

Thank you!
"The only thing that comes to a sleeping man is dreams"

Last edited by TheDream; 07-15-2010 at 06:26 AM.
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Old 07-15-2010, 06:18 AM   #2
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Join Date: May 2008
Location: Indiana
Posts: 2,180
My Ride: 2003 330Ci
Search these forums for your code - P1732, there are two threads with the code besides yours.
One the guy ended up replacing the trans solenoids for about 650 after the dear told them it would require a new transmission.
Discounts on new and CPO cars.
Most Dealers offer a parts discount, BMP Design 10% off
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Old 07-15-2010, 06:26 AM   #3
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Join Date: Sep 2006
Location: Fredericksburg, VA
Posts: 197
My Ride: 2003 330ci
I've been doing tons of research trying to solve this, and will certainly do another search through here. I had my guy run the codes and clear them, and now I am no longer having a problem.. for now.
"The only thing that comes to a sleeping man is dreams"

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Old 09-18-2016, 12:46 PM   #4
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Join Date: Sep 2016
Location: Winston salem
Posts: 1
My Ride: 2003 330i
Temp solution

I had the same problem typically when at a dead stop. Started putting car in neutral and problem solved. Car had 200k so tranny not an option. I will keep milking it.
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