HE-111 is the defining buff of BoB.
JU-88's were there, but .. they were the brand new hotrod ..tryin to catch them in a tail chase is almost impossible in a Hurricane, and a Spit is only marginally faster.
Even when you did catch an '88 .. it could blast yer spit outta the sky before your spitwads did much to it.
The 111 would be as hard or harder to bring down, usually taking 3 fighters in concert to do enough to bring one down. Heaven help yas if there was a 109 around .. or a 110.
With 111's, the defenders would have a chance of catching them once sighted. You'd have less of the 'grand tour' effect of an 88 raid.
Read some of the accounts of the actual sorties the Ju-88's took part in .. they just about raided with impunity, dropping their load, puttin the nose down, and pretty much gettin outta dodge scot-free.
-GE