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///M3 Forum
The BMW E46 ///M3 is the M version E46 and puts out an amazing 333 HP and 262 lb-ft of torque at stock specs! There are an amazing amount of modifications for both the coupe and convertible models so read up and get started modifying your cars today!

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Old 10-09-2016, 05:09 PM   #1
Registered User
Join Date: Oct 2015
Location: New York City
Posts: 72
My Ride: 2001 BMW E46 M3 6MT
Could you take a look at this picture?

So today I was doing something in the trunk and noticed this (pictures attached) As you can see its also near the battery. What is this? Is it alarming to you? Does it have to do with the subframe? Does this look like a previous owner reinforced the subframe? Thanks for your help guys.
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bradleyhenry94 is offline   Reply With Quote
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Old 10-09-2016, 08:09 PM   #2
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Join Date: Aug 2011
Location: vancouver
Posts: 315
My Ride: E70x5 m3conv m3coupe
That's normal. Factory sealant. I don't think your subframe was reinforced. Subframe area is like right next to the backs of the rear seats.
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Old 10-13-2016, 01:28 PM   #3
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Join Date: Apr 2013
Location: Brookfield, CT
Posts: 216
My Ride: 01 LSB M3 / 01 330Ci
Yeah its normal looks like that on my M3 and 330ci. Neither have had subframe reinforcement.

01 LSB M3 - TMS 3.91, Full Magnaflow, Topspeed Headers, AFE Pro Dry S CAI, Avin Avant-2, Khoalty Eyes, OEM ambers, ZHP knob+335d shift, Stoptech SS lines+Brembo pads, ST XTA Coils, RE Catch Can, Dove Grey --> Black Interior swap, 19" BBS CH HyperS, BSW Stage 1

2001 TiAg 330xi 5MT - Totaled-12/18/13 @140500
2001 TiAg 330ci 5MT - Parked-bought-2/20/14 @134000
2001 LSB M3 6MT - 12/11/15 @ 160000
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