Rear subframe bushes

[MarkF]

Im looking to uprate my rear subframe, trailing arms and diff bushes. I have read that Z3M rear end setups are the same as E30. Would there be any advantage using these or should i be looking down the polybush road?

I use my car for drift days and occasional 'weekend fun'.

Probably a silly question with polybushing being the obvious answer for my use but thought i would investigate all options

Thanks in advance,

Mark

[daimlerman]

Z3M diff bush is stiffer,I have them in my two cars.I have fitted a polybush one to the project,though,to see if it makes any difference.The BMW item needs pressing home,the polybush just pushes in.It is not recommended to use polybushes on a road car for the rear beam,I am told that they are too stiff for road use.Once again,I have fitted polybushes to the trailing arms on the project,very easy to fit,but no idea how they feel on the road,yet. If this is a road car that you are playing with,I would suggest that you let your local expert fit rear beam(or axle carrier)bushes,they are a proper bugger to do.If it is a project/track day toy and you have another car to use for work the next day then have a fight with them and save a bit of cash!!

[MarkF]

I think i will go with the polybush idea! The car is road legal but i only use it to drive to tracks and for 'fun', so really not bothered about ride quality/comfort! (well what little comfort it has left lol!)

Thanks very much for the advice!

Cheers, Mark

[papercutout]

I know a LOT of people who have poly bushed every single damned joint and use it on the road fine, with no adverse problems. If you are bothered about the car feeling slightly tighter, taughter, better, stiffer, and nicer then don't do it ;)

Heck, even my next door neighbour had his alfa romeo 156 done when they were on the way out, and he's not a car person!

[fuzzy]

it will be fine but they ruined the ride in a mates 3 door cossie. made it to harsh according to him.

[MarkF]

Thanks for the advice! ride really isnt an issue, its currently slammed and stiff as you like, locked diff, bucket seats no interior etc etc!

Polybushes it is!!!!

Thank you all!

[harry_p]

anyone who claims polybushes make a car horrible to drive on the road is a big girl.

a small increase in buzz and vibration is a small price to pay for suspension componants that are tied down and working as they are supposed to instead of wobbling around under the car on soft bushes.

if it's going to be mainly track / drift it might be worth looking at proper solid bushes. i think there's a thread in the motorsport/trackday section of the forum.