Audi
Audi Repair Questions? Ask a Mechanic for Answers ASAP
Hello and welcome to Just Answerthe BLB and BRE engines are directly compatible with the BPW unit
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The awx will technically fit on the big parts ( mounts , gearbox etc) as its essentially the same engine as the later units
however the bigger issue is the differences in the cams, injectors and cylinder head
all of these will mean a 1.9 engine won't run very well in car with 2.0 ltr ECU if at all
and re-coding the ECU to suit the earlier engine is not straightforward as you need a dealer to do it plus the engine wiring loom will need modifying / replacing
all in all I'd not recommend fitting the earlier unit
hello
there were also updated oil pumps with better / stronger drives
as the 'hex' drive on these balance shaft / oil pump units is what shears off and leads to carnage
VAG made several updates and the later revised pumps are much better
so perhaps find a good replacement and then have the pump swapped out for the latest design
Hello
the BRD unit is the high power version of your engine (170bhp vs 140 bhp)
so while its closer to yours in spec it will still need an ECU reflash to work properly and as this has to be carried out a dealer then it may outweigh the cost difference between a BPW engine and this BRD as they will charge at least 1 hours labour (£80-120)
and thats if they will tackle it as some won't on principle . as a lot of dealers won't touch anything thats not stock being scared of the possible consequences
Ideally the best route is the better pump into a good used BPW unit that should be good for at least 150K miles
No problem Glenn
I'd agree that doing a like for like replacement is best course of action, especially if the seller is offering an uprated pump as well