I have an N-reg BMW 328 SE Auto. My local garage recently replaced a broken air hose somewhere which had suddenly started causing stalling (wouldn't idle). And I took the opportunity to have a routine service done, as the 'Inspection' indicators indicated it was due.
But now, when stopping at slow speed (e.g. edging forward in traffic), I can no longer brake to a truly smooth halt. At the very last moment, there's a short but sharp 'grab'.
Idling is now about 750 rpm instead of the 600 I recall, but I'm assured both by my garage and from replies to a similar post over at uk.rec.cars.maintenance that this is correct. But this definitely makes my car less pleasant to drive. I took it back; mechanic came out with me, acknowledged the behaviour, can't explain it, and says he'll speak to Vines in nearby Crawley. Meanwhile, can anyone suggest a likely cause please?