BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i)
 





 

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      12-13-2016, 09:53 AM   #1
drwillb
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e9x M3 front and rear end swap

Just in time for the long winter, I was able to source all the heavy components for an M3/1M swap from a local salvage guy.

Parts:
Front knuckles with brakes, steering rack (may or may not be used), brake booster and master cylinder, full rear end drop out, and driveshaft. I also bought Harold's 1M stock shocks and springs. (M3 springs are too long in the rear end and do transfer over). I'll be refreshing all bushings and links jut to make it extra tight.

Later on, I'll be doing a front widebody. Still doing homework on this but it looks like the N5tuner fenders and ******** bumper with Raze splitter.

Stay tuned for more......
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      12-13-2016, 09:54 AM   #2
drwillb
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      12-13-2016, 10:00 AM   #3
drwillb
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reserved for updates
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      12-13-2016, 04:44 PM   #4
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'15 X5  [5.00]
Look forward to more updates!

- curious as to why look-alike 1M with 135i track width over OEM 1M track width?
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      12-13-2016, 06:25 PM   #5
drwillb
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Quote:
Originally Posted by Yeineken View Post
Look forward to more updates!

- curious as to why look-alike 1M with 135i track width over OEM 1M track width?
My goal is not to build a 1M clone. What I'm after is a much better 135i by means of M3 suspension and differential. Stock rear fenders can handle 265 tires and I'm OK with that. At least for now

The front end can definitely use some widening to allow for more rubber. That's why I'm considering the N5 fender route.

1M width = M3 width = 135i width at the hub face. I know this sounds impossible but it is the wheel offset in the 1M and M3 that pushes the track wider. So, in the end, it is the fenders (bodywork) that allow the big tires to fit. That's why you can't come close to matching tire size with the 1M unless you do the front and rear fender swaps.

Another of my goals is to keep costs down by buying used parts off the forum. So far, I've purchased Performance exhaust, factory CF diffuser and mirror caps, JB4, AA FMIC, LED interior lights, BMS filter, second set of stock wheels, and 1M suspension all at drastically reduced pricing, usually 50% off. When I do upgrade the springs and shocks I'll be able to buy from the M3 forum since those cars have a lot of upgrade activity going on. This also includes rotors and brake pads. All of the parts in the pictures above cost me just under $3k. I'm not trying to go cheap, this is more like an experiment.

In the end, I'm not looking for a show car, either. I want a daily driver with great breaking and suspension, LSD, and, eventually, coil overs and adjustable shocks so that it can double as a track car. I've got a JB4 system in but will soon be adding FMIC and MHD to get the power side where I want it.

Last edited by drwillb; 12-14-2016 at 05:21 PM.
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      12-18-2016, 02:03 PM   #6
Traf
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Rear hubs are not in the same position, on the E82 they are 10mm more towards the outside.

*10mm on each side
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      12-18-2016, 04:03 PM   #7
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Quote:
Originally Posted by Traf View Post
Rear hubs are not in the same position, on the E82 they are 10mm more towards the outside.

*10mm on each side
Yup. 135i is actually wider.
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      12-18-2016, 05:19 PM   #8
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Quote:
Originally Posted by ShocknAwe View Post
Yup. 135i is actually wider.
Yeah Non M version of course.
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      12-18-2016, 06:19 PM   #9
The Wind Breezes
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Looks like a badass project.

I'm curious how big the difference actually is performance wise. I'd imagine it's incredibly small to non existent, with the extra front camber (obtainable with plates) and faster rack (for driver's comfort / pleasure mostly) making the biggest differences.
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      12-18-2016, 08:56 PM   #10
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Quote:
Originally Posted by The Wind Breezes View Post
Looks like a badass project.

I'm curious how big the difference actually is performance wise. I'd imagine it's incredibly small to non existent, with the extra front camber (obtainable with plates) and faster rack (for driver's comfort / pleasure mostly) making the biggest differences.
Just another way to get better arms and dampers. I like the stock ///M suspension a lot.

Big element here is the ///M rear toe arm, which non-M 1ers can not fit without swapping in the subframe.
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      01-12-2017, 05:54 PM   #11
drwillb
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I know this thread has not been active but being in NJ, we have a true ''off-season'' to contend with and I don't have a heated garage so my time is spent researching and gathering parts.

Someone needs to keep me off the internet. I ran across a sale on PS1 turbo and added that to the shopping cart. That will be Phase II, though: PS1, DV+, catted downpipe, ****** O2 sensor massager, back end flash (my 5/2012 build presents problems but MHD may be sorted by then, if not, Rogue Engineering has someone that can do the flash). I already have an AA FMIC but that will go in during the mechanicals upgrade since I've already signed up for Watkins Glen for June of this year and I'll need it there but I don't want to tackle the power side of things unless I have time to fine tune.

As you can see, I've been busy
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Last edited by drwillb; 01-12-2017 at 06:40 PM.
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