Your BMW E90 is a vehicle known for its outstanding performance and driving dynamics. However, transmission problems can arise that pose challenges for drivers. In this blog post, we'll look at some of the most common transmission problems on the BMW E90 , offer tips for diagnosis, and present possible solutions.
1. Automatic transmission jerks when shifting:
Causes:
- Low transmission oil level
- Worn transmission parts
- Problems with the torque converter
Diagnosis and solution:
- Check the transmission oil level and top up if necessary.
- A thorough diagnosis by a specialist workshop can indicate worn parts.
- Replacing the torque converter or certain transmission components may be necessary.
2. Shifting problems with manual transmission:
Causes:
- Worn clutch
- problems with the shift linkage
- poor quality transmission oil
Diagnosis and solution:
- A check of the clutch and the shift linkage is necessary.
- Switching to high-quality transmission oil can improve shifting performance.
- Replacement of worn components may be necessary.
3. Transmission oil loss:
Causes:
- Leaky seals
- cracks in transmission components
- Excessive wear
Diagnosis and solution:
- Locating the leaks by visual inspection or pressure testing methods.
- Replacing seals and repairing damaged parts.
- Regularly check the transmission oil level to detect leaks early.
4. Irregular shifting or delays:
Causes:
- Electronic problems
- Problems with the shift solenoid
- Contaminated transmission oil
Diagnosis and solution:
- Reading error codes and identifying electronic problems.
- Checking and replacing the shift solenoid.
- Change the transmission oil regularly to minimize contamination.
- Acquisition of our transmission optimization / consumption reduction
5. Warning sounds during gear shifting:
Causes:
- Worn synchronizer rings
- problems with the gear
- Lack of lubrication
Diagnosis and solution:
- Inspection of the synchronizer rings for wear.
- Checking gear integrity and replacing if necessary.
- Ensure adequate lubrication through regular maintenance.
Conclusion: Professional diagnosis for long-term solutions
When transmission problems arise, a timely and accurate diagnosis is crucial. It is recommended to visit a qualified mechanic or specialized workshop to have a detailed analysis carried out. Early identification and repair of transmission problems will help extend the life of your BMW E90 and maintain driving dynamics.
Tip: You can also prevent gearbox problems by purchasing a gearbox optimization / consumption reduction from us. This optimizes the functionality of your gearbox, reduces consumption and perfects your gearshift behavior to suit your personal needs, whether sporty or comfortable. Our partner workshops make it possible!
Visit the Bimmer-Garage website for more tips on vehicle maintenance and and high-quality spare parts to optimize the performance of your BMW E90 .