A script for selectively batch removing advertisers from your Facebook preferences.

FacebookAdvertiserRemover.js

// https://www.facebook.com/ads/preferences/

function loadAllAdvertisers() {
  if(!document.querySelector('#interacted ._45ys')) {
    document.querySelector('#interacted div[role=button]').click();
  }
  window.interactedInterval = setInterval(function() {
    var moreBtn = document.querySelector('#interacted ._45yr');
    if(moreBtn) {
      document.querySelector('#interacted ._45yr').click();
    } else {
      clearInterval(interactedInterval);
      console.log('All advertisers loaded.');
    }
  }, 800);
}
loadAllAdvertisers();

function killAdvertiser() {
  for(var ad of document.querySelectorAll('#interacted ._2b2e')) { 
    for(var i=0; i < arguments.length; i++) {
      if(ad.textContent.includes(arguments[i]) && ad.textContent.includes("Remove")) {
        ad.querySelector('button').click();
      }
    }
  }
}
// Usage Examples: 
// killAdvertiser('Auto', 'Motors', 'Truck', 'BMW', 'Volks', 'Toyota', 'Kia', 'Hyundai', 'Nissan', 'Honda');
// killAdvertiser('Ford', 'Mazda', 'Dodge', 'Subaru', 'Land Rover', 'Benz', 'Acura', 'Buick', 'Chevy', 'Lexus');
// killAdvertiser('Realtor', 'Realty', 'Real Estate', 'Homes', 'Houses');
// killAdvertiser(''); // remove all (may be extremely slow or even crash if too many)