Think I solved it. Works anyway
<?php if(get_field('slideshow_images')): ?>
<div id="myCarousel" class="carousel slide carousel_banner">
<div class="carousel-inner">
<?php $z = 0; while(the_repeater_field('slideshow_images')): ?>
<?php $z = $z + 1; $image = wp_get_attachment_image_src(get_sub_field('image'), 'full'); ?>
<div class="<?php echo ($z==1) ? 'active ' : ''; ?>item" style="background-image: url(<?php the_sub_field('image');?>);">
<div class="container">
<div class="carousel-">
<h1><?php the_sub_field('title');?></h1>
<h3><?php the_sub_field('sub_title');?></h3>
<a class="btn btn-large btn-primary" href="<?php the_sub_field('image_links_to');?>"><?php the_sub_field('links_to_text');?> <i class="icon-chevron-right"></i></a>
</div>
</div> </div>
<?php endwhile; ?>
</div>
</div><!-- /.carousel -->
<a class="left carousel-control" href="#myCarousel" data-slide="prev">‹</a>
<a class="right carousel-control" href="#myCarousel" data-slide="next">›</a>
<?php endif; ?>
Below is what needs repeating
<div class="item active" style="background-image: url(<?php the_sub_field('image');?>);">
<div class="container">
<div class="carousel-">
<h1><?php the_sub_field('title');?></h1>
<h3><?php the_sub_field('sub_title');?></h3>
<a class="btn btn-large btn-primary" href="<?php the_sub_field('image_links_to');?>"><?php the_sub_field('links_to_text');?> <i class="icon-chevron-right"></i></a>
</div>
</div>
</div>