05Imola Maintenance and Mod Ledger

[BMWCurves]

I've been having some driveline slop that I attributed to the rear diff bushings but I wasn't sure. Last time I shopped on ECS I needed to add some items to the cart to qualify for free shipping so I just bought these since they were cheap haha. It seems like the mounts were 80% causing the slop. I'll have to take the car to an indy for the rear diff bushings since I will not try to attempt them.

Nice. I have a clunking sound in the rear during engagement of the clutch and under sudden/hard acceleration or throttle pedal lift that I attribute to old differential bushings. I'm having it looked at by a mechanic tomorrow while it's up on the lift. I haven't thought to look into transmission mounts. Glad to hear the OEM M3 mounts helped you though! How long did the job take you? Did you use a DIY guide or did you already sort of know what to do? If the former, care to post a link?

that's very encouraging to hear. i've got some drivetrain slop and i'm installing M3 engine mounts and UUC trans mounts (poly), along with a lot more. excited for the difference.

peter

I'd be interested to hear what you think of the poly mounts and if they add any NVH, although your massive lineup for maintenance looks like any changes could be down to multiple sources!

[slater]

I'd be interested to hear what you think of the poly mounts and if they add any NVH, although your massive lineup for maintenance looks like any changes could be down to multiple sources!

i know, i know... and if i had the luxury of time, i would install stuff in stages. but it's not going to go down like that.

peter

[05Imola]

Nice. I have a clunking sound in the rear during engagement of the clutch and under sudden/hard acceleration or throttle pedal lift that I attribute to old differential bushings. I'm having it looked at by a mechanic tomorrow while it's up on the lift. I haven't thought to look into transmission mounts. Glad to hear the OEM M3 mounts helped you though! How long did the job take you? Did you use a DIY guide or did you already sort of know what to do? If the former, care to post a link?

I did it a bit backwards than most diys. I loosened the two bolts for the exhaust hanger and then raised the trans a bit. I removed the 4 bolts from the bracket and then the two bolts that hold the transmission mounts. Remove the bracket and now you have more access to the top nuts of the mounts. Lower the transmission now to get more space. I have no idea how people got to the top two nuts with the bracket in place. I tried using a wrench but it's so tight in there. I was able to use a ratchet with a short 13 mm after lowering the transmission. To install the new ones I just did it backwards. Much easier to install the mounts on the transmission and then the brace. It took me about an hour to do.

[05Imola]

So I bought a 3.38 rear diff and went to install it but I ran into a few problems. I couldn't take the driveshaft off since I didn't have a hammer and then the external torx sockets I have were so thick that I couldn't remove the axles because they were hitting the clamp for the boot...that was an annoying couple of hours. I guess I will tackle everything once I press in new bushings in the spare rear subframe I just picked up. I did install the cupholder delete tray and it looks so much nicer now.


I also went autcrossing two weeks in a row with the local BMWCCA guys. I got 2nd place in my class the first time and last week I got 1st. I can say Im pretty happy about that. Next up are some Turner sway bars and adjustable links. Since I have the Touring cupkit I'm going for the soft spring thick sway mentality. Hopefully it will work but I wont find out until next year.





And this just because it looked so purtty after the car wash.

[johnrando]

Nice

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[05Imola]

So I had a busy week. I bought and installed a set of TMS Sway bars and adjustable links. The difference is incredible! I installed the front first and have it on full stiff. The install was pretty easy. The car handles so much flatter and turn in is more immediate. I did notice that there was more understeer at lower speeds which was expected. I installed the rear on the medium stiffness setting yesterday and the car is really balanced now. Ive taken the stock sway bar out two times already so I was pretty efficient in taking it out. The new one was more of a pain. I installed the sway bar without the links first and then installed and adjusted the links on the car. It wasn't hard, just more tedious. The understeer is gone but I did have the back end come out today which was unexpected. I contribute that the 42 degree weather and my RS-Rs which are way too aggressive for this weather. Car also got new Lemforder tie rod assemblies and an alignment.

[Vas]

Nice. I was thinking of getting those sway bars from e46 fanatics.

Do you think the stock sway bar links would work ?

[05Imola]

Nice. I was thinking of getting those sway bars from e46 fanatics.

Do you think the stock sway bar links would work ?

I planned to leave the stock ones and install the adjustable ones in the spring. My fronts were bad so I just changed them. The fronts I barely adjusted. I left them pretty much stock length and I didn't see any binding. The rears I made a little shorter than stock as it's pretty tight back there. I feel like the rears would be better to buy adjustable depending how low you are.

[05Imola]

Not much of an update. I've had my snow tires on for the last month. Unfortunately the weather has been unseasonably warm. I do like the way the e90 wheels look on my car tho. Also I will be installing poly bushings in the rear subframe in the coming weeks.

[Vas]

Let us know what you think of poly bushings for the diff.