This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.
So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.
After the car is shut off, the coolant pump will stop with the car but after a min the car will stay off but the coolant pump will kick on. Runs until battery is drained. I do understand there is a feature to circulate the coolant so help mitigate burn/hot spots but this continues until the battery is disconnected by ECU. Then it won't start because the battery is too low. Ongoing issue for the past 2 years now, happens intermittently. Frequency is random but happens more when it's cold out. But average happens a few times a week when cold out, sometimes it runs well for a few weeks then starts happening again. We had tried to troubleshoot by BMW but no luck. They have replaced battery, alternator, have tried to diagnose about 4 times now but they haven't fixed it since they can't replicate at the BMW Shop. I can hear the coolant pump running as well as feel the water moving. Also tested by Fluke Meter, it drains at about 40 amps (at 12 volts) when this happens, with the car off. Doing anything (opening doors, trunks, locking, unlocking, stops it for a minute but then pump starts again). No errors pop up for it except when the battery is low and then error battery had high discharge pops up.
This problem concerns the door latches on the BMW 335I (F30 generation). The problem I have noticed is that once in a while, the door does not unlock when pulling the latch. Typically, you would pull the door handle once, unlocking the car, and once again to open the door. When this problem presents itself, pulling on the handle does not unlock the car. Only the electronic button can be used to unlock it. It problem could cause danger in the case of an accident where the electrical system is no longer working and could leave one trapped inside of their car. The problem presents itself intermittently. I have only noticed the problem happen when parked. I believe that the lock actuator is the faulty component here. Even when using the electronic button to unlock the door, you can see that the lock indicator (that small thing on the side of your door) goes up much slower than the other unaffected doors.
- Vancouver, WA, USA
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