2002 E46 M3 // Build Thread
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Took me forever to assemble all the right pieces to finish the rear suspension. After finally getting the right sized RSM bushings that were back ordered, I realized I was also missing the reverse mounted reinforcement plate that secures the shock to the body. Since the mounts are TCK I tried to email them to see if I could order just the top plate. Crickets. Never got a response. Ended up ordering some Rogue Engineering zinc plated ones to test and they just so happened to fit!
So in total we’ve got:
- Rogue Engineering RSM reverse mount reinforcement plates
- TCK Single Adjustable shocks
- TCK adjustable perch + spring cone
- Rogue Engineering perch reinforcement plates
- Hyperco 600lb spring
- TCK RSM + Buna bushings
Hopefully will have time tomorrow to toss the wheels on and dial in fitment.
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Tackled the rear brake lines last night so the set is complete. Originally planned to do them all at once but some parts were back ordered from ECS (only chose them over FCP since they had a Rennline phone mount I wanted).
Lately I’ve been trying to follow the principle that when I go to replace a part, I also replace anything that connects, cushions or fastens to it as well. Otherwise I get this weird feeling I just showered and changed clothes and then put dirty socks back on (corroded bolts, nuts, brackets etc.)
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Snagged myself a resonated X pipe for the section 2. This seems to be the piece that removes rasp and drastically changes the exhaust note. Guess we’ll find out come spring.
I bought it used and it arrived in pretty good shape, but @Rekpointsuggested I try some Ospho metal cleaner on it. Holy shit did it do a number on the pipe, looks brand new! Definitely have to be careful with this chemical though since it’s phosphoric acid based and pretty much dissolves whatever it touches. Also need to wipe down with water after to neutralize it. But damn does it work.
Here’s a few before / after of 5 min of light scrubbing:
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Aluminum trim set is complete! Meant to post this update earlier, but the first set I bought was damaged in shipping. Excited to have rid the car of that crappy plastic titan trim.
Also picked up a Rennline phone mount, but just can’t seem to get it to fit just right. Might have a defective one
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You are doing a lot of good things! Nice work! I enjoy the updates.
Post a sound clip in the spring once its back on the road
Thanks Brian! There's quite a few things on the car that were inspired by your build, so I'm thankful for that. Especially ECUWorx, I've used the hell out of that program.
Added Ospho to my buy list, love the results!
Same, I was super impressed! It also claims to add protection to the metal to help keep rust from forming in the future, so hopefully it stays this clean.
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Dang you removed all the seasoning
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Had to toss the car up on stands again to bleed the brakes since I messed with brake lines again. While it was up I decided to toss the new X pipe on. Overall was super easy to install, just tedious with all the metal braces that have to come off.
Only hiccup was the pipe didn’t come with hardware to transfer over the factory pipe’s heat shield. If I’m going to do it might as well do it right so I went out and found some nice grade 8 yellow zinc hardware to attach it. One bolt had to go backwards because of the clearance, which bugs me, but oh well.
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I hope that you never forget that bolt is backwards.
The concours judges certainly won’t
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Snow finally melted and we've had a few good rains in to wash all the salt away. Took the M3 out today and gave it a test drive after all the changes. Ran like a can of beans. Turns out I had crossed the two pre-cat O2 sensors when doing the header install. Finally got them swapped and it's no longer a can of beans. Tossing in a lil sound clip of the new X pipe too, sounds freakin awesome in person.
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That sounds great!
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That sounds great!
Thanks Pat! The tone is absolutely perfect, exactly what I was going for. The volume on the other hand is ridiculous, I'm sure you could hear it from a mile away. With that the drone is also a bit vicious at 2-2.5k RPM. Might need to go with a different muffler, but going to just enjoy it for a bit!
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Took the car out for the first decent drive of the season! Cruised along the Saint Croix river for about 200 miles to a neat stone barn pizza place down in Pepin. So happy with how the car has transformed over winter!
That color combo
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That color combo
Thank you!! The cinnamon isn't everyone's cup of tea, but I really like it against the steel gray's blueish tones!
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