BMW 3 Owners & Service Manuals

BMW 3: Chain tensioner

Crankshaft drive
Chain tensioner

  1. Tensioning rail
  2. Sealing sleeve
  3. Chain tensioner with screw thread

Due to the cylinder head manufacturing process, the chain tensioner now has a sealing sleeve with a height of 12.5 mm instead of a sealing ring.

    READ NEXT:

     Valve gear

    VANOS VANOS unit B46 engine and B46TU/B48TU engines VANOS B46 engine VANOS B46TU and B48TU engine Following the changeover from a two-part chain drive to a single-part chain drive, the camshaft

     Belt drive

    Comparison belt drive B46 engine and B46TU/B48TU engines B46 Engine (transverse installation shown) B46TU/B48TU engines (transverse installation shown) Deflecting element Alternator Coolant p

     Cooling System

    SEE MORE:

     Number of safety belts and safety belt buckles

    The vehicle is fitted with five safety belts to ensure occupant safety. However, they can only offer protection when adjusted correctly. The two outer safety belt buckles of the rear seats are intended for the persons sitting on the left and right. The center safety belt buckle of the rear seats is

     Interior mirror, manually dimmable

    To reduce the blinding effect of the interior mirror, flip the lever forward. Interior mirror, automatic dimming feature General information The interior mirror is dimmed automatically. Photocells are used for control: In the mirror glass. On the back of the mirror. Overview Functional requir

    © 2019-2025 Copyright www.bmw3g20.com