F1 BRM P153 B chassis no 004.
I had a BRM V12 engine and Hewland gearbox left from the COOPER F1 I owned and was crashed.
I bought the tub and parts from BRM and built up this car.
I raced it in 1973 /74 wityh some success.
I then sold the car and it is now owned raced in Vintage racing.