Although if the car in question is an m3 in good condition the value of the car would make it worth doing.
M3 boot floor cracking.
Psdesigns v2 e46 boot floor reinforcement plates 156 98 348 42 psdesigns in partnership with redish motorsport redeveloped the original chassis repair reinforcement plate kit for the bmw e46 3 series to offer a superior more cost effective long term solution to the well documented problem of floor cracking rear subframe as its.
This is very common and worryingly hard to spot without removing the subframe.
We offer this service from 1500 including vat depending on the severity of the cracks.
Removal of standard underseal seam sealers to identify cracks areas of concern.
Having a look under the car today i ve noticed a crack in the new floor i don t suppose theres a warranty on the warranty repair is there.
Welding in reinforcement plates grinding flush.
At ti motorsport we remove the interior from the car.
See these pictures for the cracks that can form.
One of the the main issues with the e46 m3 is their tendency to crack the boot floor around the subframe mounting points.
Drill stop and weld any and all cracks around the mounting points.
Thanks jonny p s has anyone heard of this happening before.
I found the previous owners profile calibra and found the boot floor had been replaced by bmw in 2013.