I bought a 98 M3 recently. Last night as I was pulling out of a parking lot I heard a rattle from my rear left speaker(I thought). After further inspection I saw the shaft of the shock sticking through the carpet and into the speaker.
So today I got a new mount at the BMW dealership and talked to a service tech about installation. I then went to Barnes & Noble and bought the Chilton Repair manual for the vehicle. I installed the new mount and within 30 miles of driving it, it has done the same thing again.
Could something else be wrong and causing this or did I not do something right?
Any help is appreciated!
Well if your shock is stuck or hard to move in and out then it would be putting more than the right amount of pressure on the mount thus pushing through the mount... sounds like you need some new shocks...
now was there any structure damage around where the shock mount? can you take a pic of what were looking at? im curious to see if maybe you installed it wrong or if the shock mount completely blew throught its mounting position etc etc...
also have you looked into aftermarket RSM's? for M3's or cars that are suspension modified i highly suggest them because they last a lot longer and perform way above the stock ones.
definitely be careful when installing the new mounts and make sure the cupped washers are positioned correctly...I replaced one of mine and forgot to put the top washer on the assembly and the strut just popped out
98 328i ECIS CAI / Tint 35% / 17" Gun-Metal Gray M Countour style wheels with Polished chrome lip and 235/40/17 Toyo Proxe T1-R's / Silverstar bulbs - head and fog
System - Calrion ProAudio HU / MB Quart RA 1000 Sub amp, RA 4200 4 ch amp / MB Quart PCE 213 5.25" seperates front / JL Audio VR 6.5" seperates in rear / Stinger SPDH5 Pro-Hybrid 5 farad Capacitor / Alpine Type X 12" DVC Sub in a slot ported box
30 miles is all you got tho?? Either it was installed totally incorrectly or the part was faulty. There is another possibility but it is more extreme- on E36 M3's it is known that the entire rear shock mounting sheetmetal can tear from inside the trunk. To fix it requires rewelding and I could imagine that the angle of which the rear shock sits would be compromised, thus causing the RSM to pop.. Again this is not too common and the RSM is faulty to begin with, but to check for torn sheetmetal obviously look around the base of the shock tower and look for the tell tale rough weld spots. I would buy alumimun RSM's next and buy a bently manual instead of that chilton's you got there.
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