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Old 03-22-2005, 06:08 PM   #1
E36 Power
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swap going to be underway sooooon

so yea as the title says i will be swapping the tranny in my car to manual very shortly...now i have a 1996 328i and i am goin to be putting in a zf tranny 5 speed......i have a major concern with the rea differential and this so called toppin out at 100 km ...can someone just explain this to me in easy terms lol...i basically need the exact specs of a 328i manual in terms of the diff...and what about the wirirng..its an obd2 computer so will it mess it up badly

thanks for any help

J
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Old 03-22-2005, 06:47 PM   #2
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It won't be topping out at 100. You'll be at 205km/h at 6750rpm (redline) in 5th.

The stock 5spd diff is 2.93:1, if you're looking to put something in there try to look for anything from 3.15-3.38:1. I believe the auto diff is 3.91:1.

As for the transmission not being there and the ECU caring, I don't know. You could try disconnecting the tranny computer all together and see what happens. It sits in the same comparement as the ECU.
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Old 03-22-2005, 06:51 PM   #3
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Quote:
Originally Posted by thinair
It won't be topping out at 100. You'll be at 205km/h at 6750rpm (redline) in 5th.

The stock 5spd diff is 2.93:1, if you're looking to put something in there try to look for anything from 3.15-3.38:1. I believe the auto diff is 3.91:1.

As for the transmission not being there and the ECU caring, I don't know. You could try disconnecting the tranny computer all together and see what happens. It sits in the same comparement as the ECU.
thats garbage then so im forced to change the differential then damnit
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Old 03-22-2005, 06:56 PM   #4
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205 isn't fast enough?? The stock software cuts out at 206km/h anyway.
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Old 03-22-2005, 07:05 PM   #5
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noo not even...this is where its wrong...ive taken my 328i to 230-235km/h no word of a lie with one of my friends in the car...thats sooo werid eh
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Old 03-22-2005, 07:25 PM   #6
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Ok, you're speedometer is off them, which is normal, the ECU cuts fuel at 206km/h, unless you have aftermarket software.

When I top out at 241km/h (GPS indicated) my speedo is buried.
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Old 03-22-2005, 07:28 PM   #7
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i dunno its really wierd i can hit 210 and im still going up there not like the speedo is going and im not gaining speed u know
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Old 03-22-2005, 07:33 PM   #8
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Yea, speedo's are insanely off, on my drive to Montreal, I watched my GPS say I'm at 130km/h and my speedo said 140.
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Old 03-22-2005, 07:34 PM   #9
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Yea, speedo's are insanely off, on my drive to Montreal, I watched my GPS say I'm at 130km/h and my speedo said 140.
damn thats retarded...so i guess back on topic..i gotta look for a rear diff now damn it...this is going to push my budget throguh the rooooof
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Old 03-22-2005, 07:38 PM   #10
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if u want just the 5spd not really worried bout racing n stuff just get an open differential (2:93) i belive greek thang is selling one for a couple hundred


if i wana go performance (LSD) it will cost you
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Old 03-22-2005, 07:43 PM   #11
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if u want just the 5spd not really worried bout racing n stuff just get an open differential (2:93) i belive greek thang is selling one for a couple hundred


if i wana go performance (LSD) it will cost you
no no no see i am worried about racing thats the thing...do the manual 328i come with an lsd?
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Old 03-22-2005, 07:51 PM   #12
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no they dont

if u want the best LSD is the way to go otherwise ull get 1 wheel peelies
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Old 03-22-2005, 07:54 PM   #13
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no they dont

if u want the best LSD is the way to go otherwise ull get 1 wheel peelies
so say i go non lsd right ..so then in comparison to the performance i have now which will b better..my auto set up..or manual with a non lsd diff from a 328i
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Old 03-22-2005, 08:04 PM   #14
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well LSD gets you more traction... thats it

once your rollin it really dosent do much (excpet round corners)
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Old 03-22-2005, 08:13 PM   #15
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well LSD gets you more traction... thats it

once your rollin it really dosent do much (excpet round corners)
hmm..can a differential be in bad shape...risks in buying one or what
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