Next / previous posts link doesn't show up with Posts 2 Posts

I am working on a Wordpress project where I use the Posts 2 Posts plugin to show posts from one post type to posts from another post type.

This works great but for some reason my next_posts_link() and previous_posts_link() doesn't show up.

I have specified the paged variable in my code so it should work.

Can anyone see what I am doing wrong?

$paged = get_query_var( 'paged' ) ? get_query_var( 'paged' ) : 1;
$connected = new WP_Query( array(
    'connected_type' = 'services_to_companies',
    'connected_items' = get_queried_object(),
    'paged' = $paged,
    'posts_per_page' = 3
));

if ( $connected-have_posts() ) { ?

?php while ( $connected-have_posts() ) : $connected-the_post(); ?

div class="company_preview box_shadow"        
    h2a href="?php the_permalink(); ?"?php the_title(); ?/a/h2          
/div!--End company_preview--

?php endwhile; ?

?php if ( $connected-max_num_pages  1 ) {
$current_page = $paged;
$total_pages = $connected-max_num_pages;
?

div id="nav-above"
    div class="nav-next bx-next"?php next_posts_link( 'Next rarr;' ); ?/div
    div class="number"?php echo $current_page . ' / ' . $total_pages; ?/div
    div class="nav-previous bx-prev"?php previous_posts_link( 'larr; Previous' ); ?/div
/div
?php } ?

?php wp_reset_postdata(); } ?