E46-rear-subframe-bushings, rear subframe bushings, poly 95a for bmw e46 (323, 325, 328, 330, m3), z4. the stock rubber bmw subframe bushings deflect as torque moves through the drivetrain, which allows the entire rear end to move.. Our solid bmw e46 & e46m rear subframe bushings are designed for the street and the track. we use uhmw in all our suspension bushings because it is stiff, has almost zero deflection yet also absorbs some vibration. it will outlast other types of rubber or urethane bushings., revshift polyurethane rear subframe bushings completely replace the oem rubber bushings on the e46 (323, 325, 328, 330, m3, z4). these bushings stiffen the subframe improving the vehicles handling capabilities..
Bmw e46 m3 s54 3.2l rear subframe - front position - performance performance polyurethane differential bushing - front position ecs engineered to improve power application and provide superior service life over factory rubber bushings, product details any subframe work or reinforcement project on the rear of the e46 m3 should include a new set of subframe mounts. it's the worn rubber bushings that contribute to failed rear subframes on the e46 (but not the only reason). as the rubber gets worn, there is more flex to the mount..
What’s one of the biggest weak points on the e46-chassis bmw?the rear subframe mounts. spoiler alert: we bought the wrong car. our 2004 bmw m3 came from a trusted source: an old friend. it’s been a southern car, at least in recent years., e46 rear subframe bushings – akg vs. oem shown below is a brand new e46 m3 replacement floor and cross member (aka push rod) – both virgin, never having been torqued before – with akg sf469 poly 90a subframe bushing installed on the left side, and factory bushing on the right side, to show a comparison of how they are fitted..
Powerflex urethane track-series rear subframe inserts - e46 m3, e85 z4m, the rear floor of the e46 is actually two sheets of steel with a gap between them. the rear subframe mount gussets (where the subframe is bolted to) are tack welded to the bottom layer. if the two sheetmetal layers were joined or braced together this problem may never have developed in the first place.. Wheel bearing kit (the one i have): http://amzn.to/2gdmjrx astro wheel bearing kit (the better one): http://amzn.to/2knbhhf the manufacturer of those special...