P0028BMW

P0028 on BMW— Symptoms, Causes & OEM Fix

P0028 on BMW vehicles (3 Series, 5 Series, X5, X3) typically indicates: Fuel and Air Metering System Malfunction (Circuit 0028). Use OEM wiring diagrams and step-by-step diagnostic procedures to isolate the fault before replacing parts.

Common Symptoms of P0028

  • Check Engine Light (CEL) Illumination
  • Potential decrease in fuel and air metering system efficiency
  • Engine performance issues related to circuit 0028
  • Possible stall or rough idle

What Causes the P0028 Code?

  • Faulty sensor or actuator in fuel and air metering system
  • Corroded, broken, or shorted wiring harness
  • Poor electrical connection
  • In rare cases, a failing Engine Control Module (ECM)

Popular BMW models affected

Workshops frequently report P0028 on 3 Series, 5 Series, X5, X3, M3, 1 Series. Always verify the fault on the exact vehicle using OEM data for the correct model year and engine code.

Browse BMW repair manuals → · Generic P0028 guide →

Fix P0028 on BMW

Access OEM procedures, wiring diagrams and TSBs for BMW in one subscription.

Start Free Trial

Start Free Trial Today

Full platform access. No credit card. No commitment.

Start Free Trial Now
No credit card No contract Cancel anytime 10,000+ workshops