Connecting Rods, Pistons / Piston Rings, Accessory Drive Belt, & Camshafts - Repair (G07)

• 11 24 Connecting Rod Bearing Shells
  • 11 24 571 Replacing all connecting rod bearing shells (piston removed) (X7 xDrive40i 2019-2022)
    • Replace all connecting rod bearing shells
• 11 25 Pistons And Piston Rings
  • 11 25 000 Removing and installing/replacing all pistons (X7 xDrive40i 2019-2022)
    • Removing all the pistons with the connecting rod
    • Measuring all pistons
    • When replacing the pistons: Remount all connecting rods
    • Measuring a cylinder
    • Installing all the pistons with the connecting rod
  • 11 25 671 Replace the piston rings for all pistons (piston removed) (X7 xDrive40i 2019-2022)
    • Remove the piston rings
    • Checking the end clearance of the new piston rings
    • Checking the side clearance of the new piston rings
    • Install the piston rings
  • 11 25 530 Removing and installing/replacing all pistons (engine removed)
    • Removing the piston with connecting rod
    • If necessary: Replacing the piston
    • Installing piston with connecting rod
  • 11 25 530 Removing and installing/replacing all pistons (engine removed) (X7 M50i 2020-2022)
    • Removing the piston with connecting rod
    • If necessary: Replacing the piston
    • Installing piston with connecting rod
• 11 28 Accessory Drive Belt And TENSIONER
  • 11 28 010 Replacing drive belt for alternator (X7 xDrive40i 2019-2022)
    • Removing the drive belt for alternator
    • Installing the drive belt for alternator
  • 11 28 020 Replace belt tensioner for drive belt of the alternator (X7 xDrive40i 2019-2022)
    • Removing belt tensioner of alternator
    • Installing belt tensioner of alternator
  • 11 28 075 Removing and installing/replacing the drive belt for starter generator (X7 xDrive40i 2019-2022)
    • Removing the drive belt for the starter motor generator
    • Installing the drive belt for the starter motor generator
  • 11 28 076 Replacing the belt tensioner for the drive belt of the starter motor generator (X7 xDrive40i 2019-2022)
    • Removing the belt tensioner of the starter motor generator
    • Installing the belt tensioner of the starter motor generator
  • 11 28 940 Additional work of replacing drive belt for starter motor generator (Drive belt torn) (X7 xDrive40i 2019-2022)
    • Replacing the drive belt for the starter motor generator
  • 11 28 010 Replacing drive belt for alternator (X7 xDrive50i 2019-2020)
    • Remove drive belt
    • Install drive belt
  • 11 28 020 Replace belt tensioner for drive belt of the alternator (X7 xDrive50i 2019-2020)
    • Removing the belt tensioner
    • Installing the belt tensioner
  • 11 28 050 Replacing drive belt for air conditioning compressor (X7 xDrive50i 2019-2020)
    • Remove drive belt
    • Install drive belt
  • 11 28 120 Removing and installing/replacing belt pulley (X7 xDrive50i 2019-2020)
    • Removing the belt pulley on the torsional vibration damper
    • Installing the belt pulley on the torsional vibration damper
  • 11 28 010 Replacing drive belt for alternator (X7 M50i 2020-2022)
    • Remove drive belt
    • Install drive belt
  • 11 28 020 Replace belt tensioner for drive belt of the alternator (X7 M50i 2020-2022)
    • Removing the belt tensioner
    • Installing the belt tensioner
  • 11 28 050 Replacing drive belt for air conditioning compressor (X7 M50i 2020-2022)
    • Remove drive belt
    • Install drive belt
  • 11 28 120 Removing and installing/replacing belt pulley (X7 M50i 2020-2022)
    • Removing the belt pulley on the torsional vibration damper
    • Installing the belt pulley on the torsional vibration damper
• 11 31 Camshafts
  • 11 31 005 Check the timing of the camshaft(s) (X7 xDrive40i 2019-2022)
    • Checking the timings of the camshaft
  • 11 31 025 Removing and installing/replacing intake camshaft (X7 xDrive40i 2019-2022)
    • Remove intake camshaft
    • When replacing intake camshaft: Remount camshaft sensor wheel
    • Install intake camshaft
  • 11 31 028 Removing and installing/replacing exhaust camshaft (X7 xDrive40i 2019-2022)
    • Remove exhaust camshaft
    • Install exhaust camshaft
  • 11 31 051 Replacing the timing chain (X7 xDrive40i 2019-2022)
    • Removing timing chain
    • Installing timing chain
  • 11 31 090 Remove and install/replace chain tensioner piston (X7 xDrive40i 2019-2022)
    • Removing chain tensioner
    • Install chain tensioner
  • 11 31 505 Adjusting the timing of the camshaft(s) (X7 xDrive40i 2019-2022)
    • Adjust the timing of the camshaft
    • Installing the VANOS central valve of the exhaust camshaft adjuster
    • Installing the VANOS central valve of the intake adjuster
    • Pre-tensioning the timing chain with the special tool
    • Tightening the VANOS central valve of the exhaust camshaft adjuster
    • Tightening the VANOS central valve of the intake adjuster
  • 11 31 032 Remove and install/replace the left intake camshaft (X7 xDrive50i, 2019-2020)
    • Removing the intake camshaft of cylinder bank 2
    • Installing intake camshaft of cylinder bank 2
  • 11 31 034 Remove and install/replace the right intake camshaft (X7 xDrive50i, 2019-2020)
    • Removing the intake camshaft of cylinder bank 1
    • Install intake camshaft of bank 1
  • 11 31 036 Remove and install/replace the left exhaust camshaft (X7 xDrive50i, 2019-2020)
    • Removing the exhaust camshaft of cylinder bank 2
    • Installing cylinder bank 2 exhaust camshaft
  • 11 31 038 Remove and install/replace the right exhaust camshaft (X7 xDrive50i, 2019-2020)
    • Removing the exhaust camshaft of cylinder bank 1
    • Install exhaust camshaft of the bank 1
  • 11 31 052 Replacing both timing chains (X7 xDrive50i, 2019-2020)
    • Removing both timing chains and installing or replacing them
  • 11 31 070 Check camshaft timing on left side (X7 xDrive50i, 2019-2020)
    • Check the VANOS adjuster of cylinder bank 2
    • Check timing of cylinder bank 2
    • Remove the special tools to disconnect the crankshaft
  • 11 31 071 Check camshaft timing on right side (X7 xDrive50i, 2019-2020)
    • Checking the VANOS adjuster of cylinder bank 1
    • Check the timing of cylinder bank 1
    • Remove the special tools to disconnect the crankshaft
  • 11 31 094 Removing and installing/replacing the left hydraulic chain tensioner (X7 xDrive50i, 2019-2020)
    • Slackening the chain tensioner of cylinder bank 2
    • Removing hydraulic chain tensioner of cylinder bank 2
    • Installing the hydraulic chain tensioner of cylinder bank 2
  • 11 31 095 Removing and installing/replacing the hydraulic chain tensioner on the right (X7 xDrive50i, 2019-2020)
    • Slackening the chain tensioner of cylinder bank 1
    • Removing hydraulic chain tensioner of cylinder bank 1
    • Installing the hydraulic chain tensioner of cylinder bank 1
  • 11 31 573 Adjusting camshaft timing on left side (X7 xDrive50i, 2019-2020)
    • Adjusting cylinder bank 2 timings
  • 11 31 574 Adjusting camshaft timing on right side (X7 xDrive50i, 2019-2020)
    • Adjusting the valve timing of cylinder bank 1
  • 11 31 032 Remove and install/replace the left intake camshaft (X7 M50i 2020-2022)
    • Removing the intake camshaft of cylinder bank 2
    • Installing intake camshaft of cylinder bank 2