BMW X3
P0135
The P0135 trouble code indicates a malfunction in the oxygen sensor heater circuit for the upstream oxygen sensor on a BMW X3 F25 (2011-2018). This can lead to poor fuel economy and increased emissions.
4 SolutionsP-CodePowertrain
P
Error Code Type
Powertrain
Symptoms
10 common
- •Check engine light illuminated
- •Poor fuel economy
- •Rough idle or stalling
- +7 more
Most Affected Generations
2 generations
G01
3
F25
1
Severity Levels
1 level
medium
4
Quick Facts
4
Total Solutions
0
Affected Components
10
Common Symptoms
2
Generations
All Solutions
Showing 4 of 4 solutions for error code P0135 across all generations.