Need Automotive Website Backlinks

We are looking for backlink creators for our site specified in the UK automotive niche.
Site: www.caranalytics.co.uk
Basic requirements:
1. DA 50+
2. Should do relevant forums and classifieds
3. Social bookmarking
4. Web 2.0

And welcome any other techniques

Note: Should not use anchor texts for hyperlinking. Just naked url.