Most common 2006 BMW 525i problems
Share of the 77 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.
BMW 525i complaints by model year
Best 525i years: 2001. Years to avoid: 2004, 2007, 2006. Compare all years →
2006 BMW 525i recalls (3)
Engine and engine cooling › Exhaust system › Emission control › Crankcase (pcv)
BMW of North America, LLC (BMW) is recalling certain 2006 525i, 525xi, 530i, 530xi, 530xi Sports Wagon, 325i, 325xi, 325xi Sports Wagon, 330i, 330xi, Z4 3.0i and Z4 3.0si vehicles. The heater for the positive crankcase ventilation (PCV) valve may short circuit.
Remedy: BMW will notify owners, and dealers will replace the PCV valve heater, free of charge. The recall began May 30, 2019. Owners may contact BMW customer service at 1-800-525-7417.
Air bags › Sensor › Occupant classification
BMW of North America, Inc. (BMW) is recalling certain 2006 325i, 325xi, 330i, 330xi, 525i, 525xi, 530i, 530xi, and 550i vehicles equipped with the Sport Seat option and certain 2006 525i, 525xi, 530i, 530xi, 550i vehicles with standard seats.
Remedy: BMW will notify owners, and dealers will repair the occupant detection mat to eliminate the possibility that it may crack, replacing it as necessary, free of charge. The recall began September 1, 2017.
Air bags › Sensor › Occupant classification
BMW of North America LLC (BMW) is recalling certain model year 2006 325i, 325xi, 330i, 330xi sedans and 325xi sports wagons, model year 2007 328i, 328xi, 335i, 335xi sedans and 328i and 328xi sports wagons, model year 2006-2007 525i, 525xi, 530i, 530xi, 550i sedans and 530xi sports wagons, model year 2006 760i sedans, model…
Remedy: BMW will notify owners with an interim notification letter in January 2014 since parts are not currently available. When parts are available, BMW sent a second letter in August and dealers will repair the occupant…
What 2006 BMW 525i owners say
Air bags all 44 →
I was on my way to work and had driven only 4 1/2 miles at 6:55 am on Thursday, August 15, 2019. I was about 1/2 from work on a city street when smoke began coming out the air vents and steering column. A smell of plastic, electrical filled the car and I pulled into the nearest place when the smoke was quickly increasing. My son and I jumped out of the car and called 911. The fire department arrived almost immediately, and upon pulling up, before they could get out of the truck, the driver's side curtain airbag exploded, the firemen heard the explosion. By the time they pulled their hoses and lifted the hood, smoke was heavily coming from the car. When the airbag exploded, a large piece of plastic shrapnel was blown to the passenger side of the car and stuck between the windshield and the window and stuck into the edge windshield frame. …
Tl* the contact owns a 2006 BMW 525i. The contact stated that the air bags warning light was illuminated. The vehicle was taken to the local dealer passport BMW (4730 auth pl, suitland-silver hill, md 20746, [phone]) where it was diagnosed with needing a bolt tightened. The vehicle was not repaired. Upon investigation, the contact associated the failure with NHTSA campaign number: 17V428000 (air bags). The vehicle was previously repaired under recall however, the failure recurred. The manufacturer had not been informed of the failure. The failure mileage was approximately 112,000.
Brakes
Brakes are not working (stalling) after fully stopping and reaplying brake at a lower speed. Brake padel is becoming very hard and even with all foot force brake padel is not being depressed. I had my kids in the car when this happened. I read it online similar problem accured in other BMW model and recall bulletin was issued. This issue is very serious and I'm willing to let investigators check my vehicle if they wish to check out the problem. Thank you [redacted]
Tl* the contact owns a 2006 BMW 525i. While driving approximately 40 MPH, the brakes failed. The vehicle was shifted into neutral and taken to an independent mechanic who diagnosed that the booster vacuum was turned at the vacuum pump causing the brake pump to leak oil and contaminate the brake booster. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 140,000.
Seat belts
Was dropping off a passenger and when I parked on a city street .he took his seatbelt off and opened the passenger door . When he got off the seat I noticed two lights come on in the dashboard . Then the notification came up on my menu screen displaying restraint austen malfunction . I've looked up my 2006 BMW 525i to notice it happening to allot of the same year make and model as mine.
Tl* the contact owns a 2006 BMW 525i. The contact stated that the passenger side air bag and seat belt light continuously illuminated. The vehicle was taken to the dealer, where the technician diagnosed that the battery needed to be replaced. The vehicle was repaired, but the failure persisted. The manufacturer was not made aware of the failure. The failure mileage was 108,000.
2006 BMW 525i engines & fuel economy
| Engine | Transmission | Drive | MPG city / hwy / combined |
|---|---|---|---|
| 3.0L 6-cyl | 6-speed manual | RWD | 18 / 28 / 21 |
| 3.0L 6-cyl | 6-speed automatic | RWD | 18 / 27 / 21 |
EPA ratings. Class: Midsize car.
Frequently asked questions
Is the 2006 BMW 525i a good car?
Based on 77 owner complaints filed with NHTSA, the 2006 525i rates avoid: 2.3× as many complaints as a typical year of the 525i at the same age. It is one of the 525i years we suggest avoiding. Complaint counts don't account for sales volume or individual maintenance, so have any used car inspected before buying.
What is the most common problem with the 2006 BMW 525i?
The air bags — 44 complaints, 57% of all complaints for this model year, most often about sensor › occupant classification. Next are the brakes (11) and seat belts (7).
How many recalls does the 2006 BMW 525i have?
There are 3 recalls for the 2006 BMW 525i, the most recent from April 4, 2019 (crankcase (pcv)). Recall repairs are free at any authorized dealer — check whether yours has been done with the VIN recall check.
What are the best and worst years of the BMW 525i?
The best years by complaints, compared at the same age, are 2001. Years to avoid or approach with caution: 2004, 2007 and 2006. See the full BMW 525i years comparison.
At what mileage do 2006 BMW 525i problems happen?
The median mileage reported in complaints is about 100,000 miles; 9% of problems with a recorded mileage started before 50,000 miles.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.