Originally posted by ForcedFirebird
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Subframe bushings: Who'd you use?
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i recently did sub frame bushes but i filled the gaps using silicone to make them solid rubber89 E30 325is Lachs Silber - currently M20B31, M20B33 in the works, stroked to the hilt...
new build thread http://www.r3vlimited.com/board/showthread.php?t=317505
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Originally posted by ForcedFirebird View Post
might want to check in on those. Most poly bushings much over 15yr are usually dust.
Originally posted by e30austin View Postafter some seriously poor quality bushings from AKG, i use Powerflex (purple) only now, for a street car, unless i'm reinstalling OE bushings.
Only substitute is group N subframe and Z3M or IX diff bushing.
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I have two e30's one for the street and one the other for the track. The track car has poly everywhere and it squeaks like everyone here has mentioned. The street 1990 coupe is an 325i and the P.O installed poly engine, diff, trans and trailing arm bushings in poly and it felt and sounded like I was ridding on a train. I left the poly trailing arm business in, added Treehouse FCA bushings in Poly and replaced the engine, trans and diff bushings with OEM rubber and its sweet. the noise is gone but the turn in is crisp. That car still has the original springs and street shocks. its a good combo. I do not know the brand of rear Trailing arm bushing ( its green) but its quiet.
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I've run rear end bushings from Lencas (old r3v vendor), AKG, Revshift (x2 cars), and Garagistic.
The AKG and Garagistic were solid, the others are 95a.
Revshift has a bad reputation for shipping times and their guibos. I have had great luck calling to order, and not ordering during black friday/boxing day sales.
Their bushings are top notch though, installation is a breeze, teflon lube packets included.
My Garagistic stuff had some issues with the solid subframe riser bushings. Material doesn't seem very durable, I installed with a rubber mallet and the lip snapped off so I had to basically machine/make a separate top for it.
The Lencas stuff was crap. Held up well but was machined polyurethane, so nothing was concentric (especially the RTABs)
I sold my iX with all revshift rear and was happy with that setup.
My iS has garagsistic solid subframe bushings (12mm riser), AKG delrin diff mount, and Revshift 95a RTABs.
I have new Revshift 95a subframe riser bushings and 2x 95a diff mounts in box to go on at some point this year.
That said, if I ordered something set today, I'd run stock RTABs for the squeak. I don't think you'd notice a difference in feel between stock and poly RTABs.Last edited by Northern; 05-13-2022, 05:18 AM.Originally posted by priapismMy girl don't know shit, but she bakes a mean cupcake.Originally posted by shamesonUsually it's best not to know how much money you have into your e30
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Originally posted by moatilliatta View Post
This just means Nando isn't driving the car at all!
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Thinking about the Blue 85A AKG rear subframe bushes.
Anyone used the 85A ones? Anyone run a OEM diff bush with poly subframe mounts? i assume its fine as ill be using the OEM solid rubber89 E30 325is Lachs Silber - currently M20B31, M20B33 in the works, stroked to the hilt...
new build thread http://www.r3vlimited.com/board/showthread.php?t=317505
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Originally posted by digger View PostThinking about the Blue 85A AKG rear subframe bushes.
Anyone used the 85A ones? Anyone run a OEM diff bush with poly subframe mounts? i assume its fine as ill be using the OEM solid rubber'72 2002 pickup | '88 M5 | '89 330is | '89 M3 | '01 Z3M | '11 328xi-t
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Originally posted by mtech325 View PostThat's what I've been running on my cars. AKG blue 85A subframe bushings with solid rubber diff bushing. My 24v car has around 6 years/40k on this setup and copied it for my m20 car about 10k miles ago.Originally posted by e30austin View Postcurrently running AKG 95a black in subframe and trailing arm in my s50 car, OE Z3-M diff bush. no issue with running the mix of rubber and poly.
89 E30 325is Lachs Silber - currently M20B31, M20B33 in the works, stroked to the hilt...
new build thread http://www.r3vlimited.com/board/showthread.php?t=317505
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Originally posted by digger View Post
thanks, do you both think it Is it a worthwhile upgrade over OE for the street? or is it more harshness for not much improvement?
'72 2002 pickup | '88 M5 | '89 330is | '89 M3 | '01 Z3M | '11 328xi-t
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Originally posted by e30austin View Post
with the quality of most rubber components lacking heavily, these days, i would be inclined to go with Powerflex. IMHO, of course.89 E30 325is Lachs Silber - currently M20B31, M20B33 in the works, stroked to the hilt...
new build thread http://www.r3vlimited.com/board/showthread.php?t=317505
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Originally posted by digger View Post
AKG have had issues ?
'72 2002 pickup | '88 M5 | '89 330is | '89 M3 | '01 Z3M | '11 328xi-t
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Ahh the post covid quality problems89 E30 325is Lachs Silber - currently M20B31, M20B33 in the works, stroked to the hilt...
new build thread http://www.r3vlimited.com/board/showthread.php?t=317505
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