My amp (HiFi non-dsp) just gave way and I need a replacement. The x5 amps seem to be going for $150-$325 (used) and $450 (new), while the e46 amps are $36-$50 (used). They look identical. Any idea if I can use the e46 amp? If not, is there another one I can use, maybe e39 or something?

e46 amp - 99 05 BMW E46 3 Series Alpine Amp Radio Amplifier 65 12 8 380 955 | eBay

e53 amp - 00 06 BMW E53 x5 DSP Amplifier 8379376 | eBay

my blown amp -