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Old 12-22-2016, 07:54 PM   #1
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Join Date: Aug 2012
Location: Bellevue WA
Posts: 444
S62 swap weight

Just weighed the car with the completed S62 swap. It's a 1991 318is with sunroof. I was hoping to stay in the spirit of the 318is and keep the overall weight low, without resorting to stripping anything out, as it is my daily; even has a Lukebox. But no A/C (not needed here in the PNW). It's now got a 2001 S62 and the E34 530i 5 speed. UUC lightened FW and a street/sport clutch. Front and rear subframes have been beefed up and the diff has the secondary mount and finned cover. Heavy duty driveshaft and halfshafts. Single 2.5 exhaust with a dump valve rather than a dual setup.

318is curb weight was supposedly 2602 and weight distribution was 54/46% F/R. according to the specs I've seen online. My car only had 2 gallons in it when weighed, so it was 84 lbs lighter than if it had a full tank (I believe curb weights include a full tank). Anyway, check out the new stats:

I can't believe it. Only about 200 lbs heavier, and with a better weight distribution (almost exactly 50/50).
The car is an absolute beast. The poor 225/50s on it are going to be corded in no time....
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1991 349is (in progress)
1984 Rabbit 2.0L16v swap (wife's)
2003 LR Disco II (wife's)
1993 MB 400SEL (son 1's)
1980 MB 450SEL (son 2's)
2004 KTM 525 EXC-R SM Sold

Last edited by Pipes; 12-22-2016 at 08:02 PM.
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Old 12-22-2016, 08:09 PM   #2
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Join Date: Sep 2008
Location: Houston, tx
Posts: 6,286
awesome!! thank you for sharing that. i can't imagine the weight distribution being better. that doesn't make sense. can you get it dyno-ed when you have time? did you do a build thread? i try to read everything posted here that has s62 in listed. what did you do with the ecu? who did you send it to?

did you use the garagistic/wilwood bracket for brake masters?

Gigitty Gigitty!!!!

88 cabrio becoming alpina b6 3.5s transplanted s62
92 Mtech 2 cabrio alpinweiss 770 code
88 325ix coupe manual lachsilber/cardinal
88 325ix coupe manual diamondschwartz/natur
87 e30 m3 for parts lachsilber/cardinal(serial number 7)
12 135i M sport cabrio grey/black

Last edited by flyboyx; 12-22-2016 at 08:16 PM.
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Old 12-22-2016, 08:31 PM   #3
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Location: Palm Beach County, FL
Posts: 1,045
The fact that the S62 is about long as the M42 helps keep it from getting too nose heavy I guess. That strengthening of the subframe, diff mount and drivetrain you did in the rear must be pretty beefy. Either that or the subwoofer box is lead-lined! Requesting more pics; this build deserves a thread full of them.
'91 318is, M20B25, T3/T04E 50 trim, megasquirt, coilovers
Project thread.

raise the lowered
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Old 12-23-2016, 12:08 PM   #4
Mr. Wolfe
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Location: North Pittsburgh
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Wow, that is pretty good news. Thanks for sharing. My M62 is just about done, but I see myself with the S62 at some point.

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Old 12-27-2016, 10:43 AM   #5
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Originally Posted by flyboyx View Post
did you do a build thread? i try to read everything posted here that has s62 in listed. what did you do with the ecu? who did you send it to?
Seriously, we want some more info!!
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