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#1 (permalink) Old 10-05-2009, 07:42 PM
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tranny swap

was wondering if a automatic transmission can be changedc to a manual tranny??? and would it be more expensive to do that or just have my auto one rebuilt???? I have a 2003 325i.
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#2 (permalink) Old 10-06-2009, 08:14 AM
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You can't change and automatic transmission to a manual transmission. Your best bet would be to find a donor car with a manual transmission and swap the trans, pedals, shifter, etc... Having it rebuilt would be the cheaper way to go.

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#3 (permalink) Old 10-06-2009, 11:26 PM
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Actually, it can be done, but you or your mechanic really need to know what you are doing. Personally, I would not attempt it. Neil @ e46fanatics has done it. What is the problem w/ your automatic? This is an important question, because sometimes solenoid issues (hundred of dollars) are mistaken for mechanical issues (thousands of dollars).
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#4 (permalink) Old 10-07-2009, 05:40 AM
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chet31

the car shifts hard in two gears, kind of jerks into gear sometimes but I am afraid of a trans. service because of two bad past experiences of my own plus what I have read on doing that. I bought the car with 80k on it but dont know the maintenance history. I was just wondering about the swap over to a manual tranny if it turns out that i will need a new transmission.

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#5 (permalink) Old 10-07-2009, 09:06 AM
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I would start with a fluid and filter change....

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#6 (permalink) Old 10-07-2009, 12:27 PM
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Garage
just did the manual conversion after my tranny was busted.
You should take the time to thoroughly check out the transmission. A hard kick into 4th gear was the first sign when my slushbox went bad...


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#7 (permalink) Old 10-07-2009, 03:55 PM
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Quote:
Originally Posted by chet31 View Post
Actually, it can be done, but you or your mechanic really need to know what you are doing. Personally, I would not attempt it. Neil @ e46fanatics has done it. What is the problem w/ your automatic? This is an important question, because sometimes solenoid issues (hundred of dollars) are mistaken for mechanical issues (thousands of dollars).
How can you change the internals of an automatic transmission to a manual transmission? The only thing he could do is do a tranny swap like denyo77 did.

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#8 (permalink) Old 10-08-2009, 01:01 AM
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Originally Posted by FCPGroton View Post
How can you change the internals of an automatic transmission to a manual transmission? The only thing he could do is do a tranny swap like denyo77 did.
I meant tranny swap. Title of the post is tranny swap.

Last edited by chet31; 10-08-2009 at 01:16 AM.
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#9 (permalink) Old 10-08-2009, 01:30 AM
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Quote:
Originally Posted by jasonss03 View Post
the car shifts hard in two gears, kind of jerks into gear sometimes but I am afraid of a trans. service because of two bad past experiences of my own plus what I have read on doing that. I bought the car with 80k on it but dont know the maintenance history. I was just wondering about the swap over to a manual tranny if it turns out that i will need a new transmission.
My car shifts harshly from 1st to 2nd when I really floor it, that is fairly common. Don't have a problem with other gears.

Some people have had luck getting their tranny software reflashed, which has to be done at a dealer, but only costs a few hundred bucks. Solenoids and torque converters are cheaper than tranny swaps (manual or auto). Just saying, don't just assume your tranny is dead.

You have to find a tranny guy you can trust. I have one here in Madison, but even he can't really diagnose a problem unless he opens up the tranny. So, start cheap, and work your way forward. The fluid/filter change mentioned is a good place to start.
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#10 (permalink) Old 10-08-2009, 05:46 AM
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Originally Posted by chet31 View Post
My car shifts harshly from 1st to 2nd when I really floor it, that is fairly common. Don't have a problem with other gears.

Some people have had luck getting their tranny software reflashed, which has to be done at a dealer, but only costs a few hundred bucks. Solenoids and torque converters are cheaper than tranny swaps (manual or auto). Just saying, don't just assume your tranny is dead.

You have to find a tranny guy you can trust. I have one here in Madison, but even he can't really diagnose a problem unless he opens up the tranny. So, start cheap, and work your way forward. The fluid/filter change mentioned is a good place to start.
I would like to start with the trans. flush and filter but like I said I am scared to death to have it done. what do you think??? Have you had a tranny service done at 88k without ever having one done previously?? what do you think? If lots of people reccommend it than why are there alot of warnings about doing them. I spoke to a transmission shop about having the full tranny service done and they wont even touch it because of the milage and no known maint. history.
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#11 (permalink) Old 10-08-2009, 02:53 PM
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Quote:
Originally Posted by chet31 View Post
I meant tranny swap. Title of the post is tranny swap.
Ok, that was why I was like.

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#12 (permalink) Old 10-08-2009, 10:06 PM
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Quote:
Originally Posted by jasonss03 View Post
I would like to start with the trans. flush and filter but like I said I am scared to death to have it done. what do you think??? Have you had a tranny service done at 88k without ever having one done previously?? what do you think? If lots of people reccommend it than why are there alot of warnings about doing them. I spoke to a transmission shop about having the full tranny service done and they wont even touch it because of the milage and no known maint. history.
My tranny guy has worked on trannies every work day for 30 years. When I give him a detailed description of a tranny problem, he still can only guess at the problem until he opens it up. We do not have this expertise, and we don't have a detailed description of the problem. So we are guessing at best.

Answer me this:

How many more miles do you want to get out of the car?
Is the tranny just annoying or is it not functioning, i.e not shifting properly through the gears, etc. ?
Is it getting progressively worse?
Does it shift harshly all the time, or only when you accelerate hard?
Or do you accelerate hard all the time?
Would you hate yourself more if you tried to fix it, and broke it? Or if you did nothing and it broke?
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#13 (permalink) Old 10-09-2009, 08:01 AM
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I would do the flush yourself. As long as the fluid is not really really bad or smell really burnt, you should not have any issues. I flushed my Volvo's transmission when I got it 188K and it had no history of it ever being done. The transmission shifts a lot better now. It is not perfect all the time, but 99% it is.

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#14 (permalink) Old 10-09-2009, 12:25 PM
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Quote:
Originally Posted by chet31 View Post
My tranny guy has worked on trannies every work day for 30 years. When I give him a detailed description of a tranny problem, he still can only guess at the problem until he opens it up. We do not have this expertise, and we don't have a detailed description of the problem. So we are guessing at best.

Answer me this:

How many more miles do you want to get out of the car?
Is the tranny just annoying or is it not functioning, i.e not shifting properly through the gears, etc. ?
Is it getting progressively worse?
Does it shift harshly all the time, or only when you accelerate hard?
Or do you accelerate hard all the time?
Would you hate yourself more if you tried to fix it, and broke it? Or if you did nothing and it broke?
yeah I know issues like this are hard to diagnose without looking at it. It is more annoying than anything else. It does not shift hard all the time and it is only doing it going into gear4. It doesnt seem to matter if I hammer on it or not, just sometimes really kicks when going into 4th gear,while all the other gears shift nice and smooth. It also sometimes wont shift into 4th gear when its suppossed to, it will just rev even if I take my foot off the gas completly. It does always shift into the gear just not when it should at times. I would like to get another 80-100k out of it but from what I am reading that seems to be far feched. My ford escape has 212k on it and is 100 percent without ANY repairs whatsoever, other than maint. as for the problem getting worse, not at all, just acts up every so often.
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#15 (permalink) Old 10-10-2009, 11:54 PM
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Quote:
Originally Posted by jasonss03 View Post
yeah I know issues like this are hard to diagnose without looking at it. It is more annoying than anything else. It does not shift hard all the time and it is only doing it going into gear4. It doesnt seem to matter if I hammer on it or not, just sometimes really kicks when going into 4th gear,while all the other gears shift nice and smooth. It also sometimes wont shift into 4th gear when its suppossed to, it will just rev even if I take my foot off the gas completly. It does always shift into the gear just not when it should at times. I would like to get another 80-100k out of it but from what I am reading that seems to be far feched. My ford escape has 212k on it and is 100 percent without ANY repairs whatsoever, other than maint. as for the problem getting worse, not at all, just acts up every so often.
Option 1: Do nothing and live with it. A valid option since you don't have a tranny shop you can trust. Tranny could last 10 or 40 or 80K, it's a guess and it's the type of decison we have to make w/ older cars.

Option 2: If it is really driving you nuts, agree w/ Groton and others, fluid/filter change is cheap and can solve a lot of probs. However, there is a school of thought that says there is a slight chance a fluid/filter change at high miles can cause a tranny failure. But if your tranny is already misbehaving, and you want to get 80-100K out of it, you don't have a lot to lose trying a fluid/filter change. Then again, you can't find anyone to do it for you, correct? Can you DIY? How many miles on your tranny?
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