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How to Handle Transmission Fluid Leak in Your BMW 3 Series (E90) N54 Engine

A fluid leak of any kind can adversely affect your BMW 3 Series (E90 (2005-2013)) with the N54 (3.0L Twin Turbo I6) engine, but a transmission fluid leak deserves particular attention. Coupled with being the lifeline for your transmission, the fluid ensures smooth gear shifts and cools the moving parts within. Ignoring such a leak not only leads to worsening performance but could also cause severe damage to your BMW’s transmission system – an expensive failure to repair or replace.

What Triggers a Transmission Fluid Leak in Your E90 N54 Engine?

Several things could cause a transmission fluid leak in your BMW N54 engine. Mechanical failure due to worn-out seals or gaskets, a loose pan, or even damaged fluid lines rank at the top of the list. Besides, software failure such as incorrect control module programming could lead to overfilled or overheated transmission, contributing to fluid leaks. Lastly, electrical problems such as defective solenoids can also lead to over-pressurization and, consequently, fluid leaks.

Solutions for Fixing Transmission Fluid Leaks

Resolving a transmission fluid leak in your BMW 3 Series E90 depends on its cause. Diagnostics to identify the root cause should be your initial step, which could either be a mechanical or an electrical issue, or even software-related problems. Depending on the diagnostics, you might need to replace worn-out components like seals and gaskets, conduct software updates, or replace damaged fluid lines or solenoids.

Leverage Our Expertise for Efficient and Accurate Solutions

At Motorsport Werk, we offer professional diagnostic services that accurately identify the cause of your transmission fluid leak. Whether you’re dealing with worn-out components or require software adjustments, our team of experts has the skills and experience to effect the necessary fixes. For our international clientele, we offer worldwide support through Microsoft Teams. Additionally, we render full servicing in NL and DE, guiding you through the repair process until your BMW 3 Series (E90) is back up and running as it should.

Contact Us Today!

Don’t compromise the performance and lifespan of your BMW 3 Series (E90). If you notice a transmission fluid leak, reach out to us now. Let our team of professionals provide the best solution that your vehicle needs.

Get In Touch Now



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