Power Reduction FC2A82 Intake VANOS and/or FC2 A87 Exhaust VANOS Camshaft Fault: The "Service Engine Soon" (MIL) lamp is illuminated and engine power reduction is perceived. This situation can occur after driving for some time with the engine at full operating temperature. If the ignition is cycled the engine then usually performs normally.
full bulletin at NHTSA ↗2011 BMW 328i powertrain problems
severe Owners of the 2011 BMW 328i have filed 25 NHTSA complaints about the powertrain, typically surfacing around 57,000 miles at roughly $2,500 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See powertrain across all vehicles →
Failure mileage
Complaints
25
Recalls
0
Avg fix
$2,500
| Model year | powertrain complaints |
|---|---|
| 2011 328i (this page) | 25 |
| 2012 328i | 20 |
| 2013 328i | 29 |
| 2014 328i | 9 |
| 2015 328i | 12 |
1crash
1fire
1injury
What stands out
Owners have filed 25 powertrain complaints with NHTSA against this vehicle, but no formal recall covers the issue — the federal record reflects what manufacturers have admitted, not everything owners are reporting.
Among the 5 model years of BMW 328i in our records for powertrain problems, this one ranks #2 by owner-complaint volume.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering powertrain on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
DCT Transmission: Oil Leakage Diagnosis. INFORMATION Incorrect diagnosis of DCT (Double-clutch Transmission) oil leaks may lead to unnecessary part replacements and repeat customer repair visits. When diagnosing complaints related to DCT fluid leaks, please use the attached diagnostic procedure. WARRANTY INFORMATION Not applicable. ATTACHMENTS View PDF attachment B280114_DCT_Oil_Leak_Diagnosis. [ Copyright (c)2014 BMW of North America, Inc. ] https://www.bmwtis.net/tiscode/cgi-bin/bulletin.aspx?sie_path=/tsb/bulletins/htm_store/16672.2.B28011... 12/24/2014
full bulletin at NHTSA ↗"Intelligent Battery Sensor Diagnosis Hints. The vehicle enters the workshop with one or more of the following complaints: * Check Control Message related to battery discharge * No-start condition * Consumer power reduction (reduced blower speed, heated seats operation, etc.) * The following fault codes may be stored in the DME a. 2E8B - Intelligent battery sensor, signal b. 2E8C - Intelligent battery sensor, function c. 2E8D - Intelligent battery sensor, signal transmission d. 2E8E - Intelligent battery sensor, communication CAUSE A faulty battery or IBS sensor (not both) The power management system and IBS in the vehicle cannot determine if the battery needs to be replaced. This is normal
full bulletin at NHTSA ↗GM6 - 6L45R: Diagnostic Procedure for Shudder or Vibration Issues. A shudder or vibration can be felt under light acceleration or when driving at constant suburban speeds. This can be most noticeable in the 1700 - 2200 engine rpm range while in 3rd through 6th gears. No faults are stored in the EGS module. CAUSE Changes in the frictional properties of the automatic transmission fluid over time can lead to momentary slipping of the torque convertor lock-up clutch.
full bulletin at NHTSA ↗N55 Engine Failsafe - FC 120308 Boost Pressure Control, Plausibility: Pressure Too Low Stored in DME Fault Memory. INFORMATION The customer complains the SES is illuminated and the engine has reduced power (engine failsafe mode).
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
The 2011 BMW 328i has a cluster of powertrain failures spanning engine, transmission, fuel system, and electrical components. The most critical is the Vanos camshaft assembly bolt failure, where bolts shear at relatively low mileage (40K–62K miles reported), causing noise, stalling, check engine light, reduced power, and complete loss of motive power at highway speed. BMW issued recalls for certain VIN ranges, but multiple owners report their vehicles display identical symptoms and diagnostic codes yet remain excluded from coverage.
Torque converter shuddering is a widespread complaint, with mechanics reporting they see the defect with increasing frequency across multiple BMW models. Owners experience shuddering at 35–45 mph during acceleration, typically after warranty expiration, and repair costs exceed $2,000.
Engine stalling while driving—sometimes with steering wheel lock—occurs at various mileages, often without a diagnostic code that BMW dealers can find. One fuel pump defect caused sudden engine shutdown on the road; the owner reports other 2011 328i owners have experienced the same "swollen fuel pump" failure.
Gear shifter mechanism failures prevent shifting between Park and other gears as early as 5,000 miles. A metal securing plate on the cable assembly loosens over time, raising safety concerns about unintended gear shifts while driving.
Oil leaks from valve cover and pan gaskets appear at 40K–60K miles. Dealers often miss these during routine service, creating fire hazard if oil spills onto engine struts. One owner also reported transmission surge forward while braking at low speed, resulting in accidents—a fault BMW could not diagnose.
Same BMW 328i powertrain reports on nearby years: 2012 · 2013
Failure modes owners describe
Vanos Camshaft Assembly Bolt Failure
Exhaust camshaft Vanos assembly bolts shear or loosen, causing increased noise, check engine light, reduced power, and engine stall. Owners report complete loss of power on freeway at speed.
When: 40K–160K miles; some within first 62K miles
Symptoms owners cite: Increased engine noise; Check engine light illuminated; Reduced engine power; Engine stall while driving; Complete loss of motive power at highway speed
Codes mentioned: Vanos assembly fault codes, Check engine light
Repairs/costs cited: Replacement of Vanos assembly bolts; some dealers report bolts sheared and fell into engine, requiring further damage assessment. Repair cost not specified in most narratives.
Recalls/TSBs owners mention: Recall 17V683000 issued for certain VIN ranges; however, multiple owners report their vehicles have matching symptoms and codes but are excluded from recall coverage. Recall for Vanos assembly bolts (recall in June 2014 letter); parts availability was delayed or unavailable at time of complaint.
Transmission Torque Converter Shudder
Defective torque converter causes shuddering or shutter during acceleration, typically in 35–45 mph range. Owners report this as a serial defect affecting multiple BMW N51 and N52-equipped vehicles.
When: 53K–160K miles; onset often after warranty expiration (Sept 2014 onward)
Symptoms owners cite: Shuddering or shutter while accelerating; Shutter in 35–45 mph range; Reduced driving performance; No warning light initially, then check engine light may appear
Codes mentioned: Torque converter fault codes, Check engine light (in later stages)
Repairs/costs cited: Torque converter replacement required; estimated cost $2,000+. One owner was denied warranty coverage for torque converter repair despite SULEV warranty stating coverage for this component.
Recalls/TSBs owners mention: No recall issued. Dealers initially unable to diagnose. One owner claims torque converter and mechatronics are covered under SULEV warranty but was denied coverage by dealer.
Engine Stalling and Loss of Power
Vehicle stalls unexpectedly while driving at low speed, on city streets, or during acceleration attempts. Steering wheel locks when engine stalls. Repeated stalls become a regular occurrence.
When: Various mileages; one at 67K, others at lower and higher mileage
Symptoms owners cite: Engine stall while driving; Loss of motive power; Steering wheel locks after stall; Difficulty restarting; Rough idle prior to stall; Check engine light illuminated
Codes mentioned: Check engine light, Possibly related to electrical system (NHTSA campaign 13V044000)
Repairs/costs cited: No repair completed in several narratives; cause not diagnosed by dealers. One owner reported BMW service was unable to find fault despite multiple visits.
Recalls/TSBs owners mention: No TSB or recall cited; one owner states BMW claimed no other customers reported the issue, contradicting complaint frequency.
Fuel Tank and Pump Failure (Swollen/Cracked Internal Fuel Link)
Internal fuel link inside fuel tank cracks, causing fuel leak and engine shutdown while driving. Owners report this issue is documented in other 2011 328i models as a swollen fuel pump defect.
When: Mileage not stated in narrative
Symptoms owners cite: Engine shuts off while driving; Loss of motive power; Inability to restart immediately after shutdown; Vehicle appears to run out of fuel
Codes mentioned: No diagnostic codes mentioned
Repairs/costs cited: Complete fuel tank and pump replacement required. Cost not specified in narrative.
Recalls/TSBs owners mention: No recall or TSB mentioned. Owner queried whether replacement addresses the root engineering/design fault or if risk persists. BMW USA did not respond.
Gear Shifter Mechanism Failure (Cable and Securing Plate)
Metal securing plate (part 25161421252) holding the gear shifter cable assembly loosens or falls off, preventing shift from Park to Reverse/Neutral/Drive or vice versa. Cable assembly bends metal clip over time, causing failure.
When: 5K–8K miles reported in narratives
Symptoms owners cite: Inability to shift from Park; Inability to shift into Park; Gear shifter does not respond to driver input; Transmission may shift involuntarily (risk)
Codes mentioned: No diagnostic codes mentioned
Repairs/costs cited: Securing plate and/or cable assembly repair or replacement. Cost not stated.
Recalls/TSBs owners mention: One dealer informed owner vehicle was operating as designed; no repair performed.
Valve Cover and Oil Pan Gasket Leaks
Oil leaks from valve cover gasket and oil pan gasket at relatively low mileage (40K–60K). Owners report dealers miss the leak during initial service visits, creating fire hazard risk if oil spills onto engine mounting struts.
When: 40K–60K miles; issue noted in owners' research as starting early at 40K miles
Symptoms owners cite: Oil leaking from valve cover gasket area; Oil visible on bottom of engine bay; Risk of oil spilling on engine mounting struts
Codes mentioned: No diagnostic codes mentioned
Repairs/costs cited: Valve cover gasket and oil pan gasket replacement; estimated cost $2,000+. Owners state this repair was not flagged during initial oil change service visits.
Recalls/TSBs owners mention: No TSB or recall cited; dealers do not proactively identify the gasket leaks during routine service.
Cold Start Hesitation and Rough Idle with Vibration
Engine exhibits cold-start hesitation, rough idle, and vibration while stationary. Owners report eccentric shaft sensor issues, VVT sensor faults, and battery low state, but replacement of these components does not resolve the underlying symptom.
When: 53K–80K miles
Symptoms owners cite: Cold start hesitation; Rough idle while stationary; Engine vibration at idle; Lack of power on acceleration
Codes mentioned: Eccentric shaft sensor fault, VVT sensor fault, Battery low voltage code, Left brake pad sensor fault (wire cut)
Repairs/costs cited: Initial repairs included eccentric shaft sensor, VVT sensor, and brake pad sensor replacement (cost $2,300); problem persisted. Secondary diagnosis identified oil leaking from valve cover gasket, requiring additional $2,000+ gasket replacement.
Recalls/TSBs owners mention: No recall or TSB cited for this specific symptom pattern.
Transmission Surge and Unintended Acceleration
Transmission shifts to a faster gear when driver is riding the brake at low speed, causing sudden surge forward and unintended acceleration. Owners report two accident-causing incidents.
When: At purchase (3,684 miles); persisted over vehicle ownership
Symptoms owners cite: Transmission shifts to faster gear unexpectedly; Vehicle surges forward while braking; Loss of driver control; Unintended acceleration
Codes mentioned: No diagnostic codes mentioned
Repairs/costs cited: No repair; BMW mechanics and engineers could not find the fault despite inspection.
Recalls/TSBs owners mention: No recall or TSB issued. BMW acknowledged rear suspension sag but stated it was within specification. No acknowledgment of transmission defect.
AC/Heat Blower Motor Resistor and Harness Burnout
Blower motor resistor burns out and harness connections fray, causing electrical short and internal cabin smoke with burning smell. Fire hazard present. Issue documented as common in 2013 and earlier models.
When: 5,700 miles
Symptoms owners cite: Blower motor suddenly stops working while driving; Smoke from ventilation system; Burning smell from electrical short; Singed and frayed wires on blower motor
Codes mentioned: No diagnostic codes mentioned
Repairs/costs cited: Resistor and harness replacement required; owner paid out-of-pocket due to vehicle being out of warranty.
Recalls/TSBs owners mention: No recall issued. Manufacturer changed design/harness in later model years but did not perform recall on affected vehicles.
Synthesized from 25 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 0 most recent
Had powertrain trouble with your 2011 BMW 328i?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the powertrain problem on the 2011 BMW 328i?
It's a meaningful issue. 25 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $2,500.
At what mileage does the powertrain typically fail?
Across the 17 complaints that reported odometer mileage, most powertrain failures cluster between 43,000 and 84,306 miles, with the median around 57,000. A quarter of owners report trouble before 43,000; a quarter make it past 84,306. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
What does it cost to fix?
Independent shops typically charge around $2,500 for powertrain repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to powertrain?
No active recalls currently cover powertrain issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2011/BMW/328i.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.