Though there are no issues registered about the BMW M4 on the NHTSA website. However, we have noted down the common problems and issues encountered by the majority of M4 owners.
Electrical Problems
- Issues with the Air Conditioner
Major issues has been noted with the car’s A/C system preventing the inside air to reach the ideal temperature. Generally, the issue may be caused when the electrical connection between the ECU and the climate control system is disrupted causing the Air Cooler to malfunction. These issues are needed to be addressed and resolved soon to prevent the occupants from suffocating. If needed the faulty Air Cooler system should be replaced with newer ones if possible.
Battery issues are a common concern in most of the BMW M4 coupes. Battery problems might lead to faulty powertrain problems while auto-changing the gear actuator shift, as the electrical control unit, may not be able to read the signal to change the gear transmission. This leads leading to a failure in the auto gear shift even when the driver expects to change the gear shift from low to high gear or vice versa. The dealers should inspect the reason behind the malfunction and repair them soon.
Engine and Mechanical Problems
- Burning oil smell with fluid leakage noted
Majority of the M4 owners noted oil leakage in the car engine causing high fuel consumption. Sometimes, excessive fuel consumption in the car engine might lead to a burnt fuel smell. The worst part is there can be oily fluids noted beneath the vehicle, Such instances are a suitable cause for fuel ignition. Henceforth they must be addressed and should be repaired as soon as possible.
2020 BMW M4 Recall
S.No
|
Date
|
NHTSA ID
|
Issues Noticed
|
Additional Remarks
|
Remedy
|
1
|
October 29 2020
|
20V666000
|
Installation of damaged fuel injector leading to fuel leakage might sufficiently maximize the chance of fire ignition
|
Damaged connection between a fuel line and fuel rail due to installation of fuel injector without dampening component may lead to oil leakage. Such instances might increase vibration between the both over time resulting in damage at the connective point
|
BMW will be notifying the owners about the issue. The dealers will be instructed to inspect the fuel injectors if a damping component is found, the injectors and the fuel rail will be replaced for free of cost. The recall began on December 18 2020
|
2
|
May 9 2019
|
19V352000
|
Problematic deployment issues in the knee airbag
|
Improperly folded and assembled airbag may not deploy as it was expected to lead to passengers inconvenience. Such things may trigger an injury to the passengers during a crash
|
The owners will be notified about the problem that was responsible for the crash. At the same time, the dealers are told to replace the knee airbag module for free. The recall for the issue began on July 8 2019
|
Should You Buy a 2020 BMW M4?
The 2020 BMW M4 is a priceless option for coupe lovers because of its unique presence, marvelous seats, dynamic interiors, and for its aesthetic look. A significant number of marketers still believe that the popularity of the vehicle would have expanded by now if the issues like oil leakage, faulty deployment of the knee airbag, etc. would have never shown up.