after swapping the ABS the ecu need to be reset by removing battery terminal, for 10 minutes - connect the battery terminal start the engine and let engine idle for 5 minutes. shut down & rescan., at times after replacement of any electrical unit error appear from Stored HISTORY
remember NOT EVEN TOYOTA PAKISTAN have refresher workshops and sharing of fault diagnostics rectification bulletins with the authorised 3S
all work is done on TUKKA .. and parts from SCRAP YARDS. a BMW owner is shy to pay for new parts, so what do you expect ?
we all share from our personal experience & reading over the manuals we grab from any source as tool to learn. nobody is expert so no need to be bitter either, try & appreciate the presence of this forum where we all try to help through Thanks to @HanifBhatti saheb for providing such hub.