I'm waiting to hear from the insurance company...

My beautiful Bongo (T reg, unconverted 8 seater, petrol Friendee with pop top) was in an accident last weekend. Totally not my fault - another vehicle span right into me. The question is, though the Bongo's written off because of substantial damage to the front, do I buy it back from the insurance c...

Is there any kind of engine modification or filter that can make them compliant with the ULEZ regulations?