2011 Bmw 135I: Reliability Data

Source: NHTSA — 35 complaints
35
Total Complaints
56,300mi
Median Mileage
ENGINE
Top Issue
1
Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

20,000 25th Percentile
56,300 Median Mileage
75,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ENGINE
11
ELECTRICAL SYSTEM
7
AIR BAGS
6
POWER TRAIN
4
FUEL SYSTEM, GASOLINE
2
FUEL/PROPULSION SYSTEM
2
VEHICLE SPEED CONTROL
1
EXTERIOR LIGHTING
1
UNKNOWN OR OTHER
1

Severity Assessment

1
Crashes
2
Fires
1
Injuries
0
Deaths

Sample Complaint Reports

"ENGINE ACCELERATION LAG. THE CAR HESITATES WHEN THE GAS PEDAL IS PUSHED DOWN. THIS OCCURS WHEN IT IS MOVING AT A SLOW SPEED OF 5 TO 10 MPH AND AT A HALT. IT CREATES A DANGEROUS SITUATION IF YOU ARE MERGING WITH TRAFFIC OR TRYING TO ENTER TRAFFIC FROM A SIDE STREET. WHEN THE GAS PEDAL IS DEPRESSED IT..."
"CROSSING THE STREET---I HAD THE GAS PEDDLE ALL THE WAY TO THE FLOOR (TWICE YESTERDAY) AND THE CAR LITERALLY DID NOT MOVE AND TRAFFIC WAS APPROACHING. THE CAR EVENTUALLY MOVED FORWARD. PROBLEM---HESITATION IN THE ENGINE WHEN APPLYING THE GAS AS I PULL OUT TO CROSS THE INTERSECTION, SLOW DOWN TO MAKE..."
"CROSSING THE STREET---I HAD THE GAS PEDDLE ALL THE WAY TO THE FLOOR (TWICE YESTERDAY) AND THE CAR LITERALLY DID NOT MOVE AND TRAFFIC WAS APPROACHING. THE CAR EVENTUALLY MOVED FORWARD. PROBLEM---HESITATION IN THE ENGINE WHEN APPLYING THE GAS AS I PULL OUT TO CROSS THE INTERSECTION, SLOW DOWN TO MAKE..."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28