2021 BMW X1 sDrive28iFACTORY OEM SERVICE PROCEDURE

Engine In General

ENGINE IN GENERAL - TECHNICAL DATA SPECIFICATIONS

Cylinder count 4
Bore 82 mm
Stroke 94.6 mm
Effective displacement 1998 cm3
Compression ratio 11:1
Compression pressure (of all cylinders roughly same value) >12... bar
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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