** UBS says it expects 5-10% downgrades to 2026 consensus estimates for European auto names as outlooks for the year could disappoint on China
** It sees China as a key source of 2026 downward revisions for German original equipment manufacturers (OEMs), cutting BMW BMWG.DE to "neutral" from "buy"
** It adds that Porsche P911_p.DE and Renault RENA.PA could disappoint on Q4/2025 results, leaving Stellantis STLAM.MI as its only "buy" rating among OEMs
** On tires, UBS says to expect a "relatively tough H1" following the EU's decision not to impose provisional tariffs on China imports
** "Capital allocation will increasingly become a key differentiator for tire names," it says, adding that Continental CONG.DE remains its top choice
** UBS expects most suppliers to post an in line Q4, except for Aumovio AMV0n.DE which might beat expectations, triggering consensus upgrade
(Reporting by Danny Callaghan)
((danny.callaghan@thomsonreuters.com))