Section 4. Notwithstanding any general or special law to the contrary, nothing in this chapter shall be construed to abrogate, interfere with, contradict or alter the terms of any provision of chapter 93B or the terms of any franchise agreement executed and in force between a dealer and a manufacturer, including, but not limited to, the performance or provision of warranty or recall repair work by a dealer on behalf of a manufacturer pursuant to such franchise agreement; provided, however, that any provision in a franchise agreement that purports to waive, avoid, restrict or limit a manufacturer’s compliance with this chapter shall be void and unenforceable.