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E46 Touring
The E46 touring forum. Talk about your sport wagon E46 here.

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Old 02-23-2017, 04:40 AM   #1
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Join Date: Sep 2016
Location: Denmark
Posts: 1
My Ride: bmw 328 e46
328i 1999 Touring E46 Diff question

Hey everyone! i have tried searching all over the world wide web without succes

as the title state i want to replace my old diff with a higher gear, i'm driving with the stock 2.93 want to upgrade to 3.23.

both the 323Ci M52 runs with 3.23
and 316 M43 runs with 3.23.

what i know for sure is the 323 M52 diff case fits my subframe and internal parts my original case.

what i cant figure out is wherever or not the 316 m43 diff mount straight in my subframe or if possible i can change internal gearset.

can anyone help please?

i have attached pictures of both diffs.
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Old 02-24-2017, 12:32 AM   #2
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Join Date: May 2015
Location: El Paso, TX
Posts: 1,139
My Ride: `04 M56 Touring
I'm sorry I don't know that answer as the US didn't get the smaller engines.
If I were to give my Touring a first name, I'd probably name it "Alan".
Mostly because I like puns.

DIY: E46 Touring TV Tuner Install/Mounting
DIY: Wiring City Lights, Rear Fogs, and Rear Camera in a Touring
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Old 02-24-2017, 06:51 AM   #3
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Join Date: Mar 2008
Location: JHB South Africa
Posts: 255
My Ride: 330iT 328i 330iT
4cyl uses the 168k gear sets so no, it won't work on your 188k diff.
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Old 02-24-2017, 06:54 AM   #4
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Join Date: Mar 2008
Location: JHB South Africa
Posts: 255
My Ride: 330iT 328i 330iT
In 188k gearsets I think your options are e46 325i auto (3.46:1) or manual (3.15:1) differentials.
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328i, differential, e46, gearset, subframe

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