34526774039 BMW Speed sensor

BMW 34526774039 Speed sensor

Description

The BMW Speed sensor is a crucial component used in various models, including the 550i with 4.4 and 4.8L engines, without active steering or M5 designation. It is typically installed in vehicles that do not feature active steering. The technical benefits of this part include improved speed measurement accuracy and enhanced overall vehicle performance.

Key Features & Benefits

This little guy basically measures how fast your wheels are turning. It sends that information as an electrical signal. There are different types, some read the teeth on a tone ring, others use magnetic pulses – the principle is the same though: it’s all about figuring out rotational speed. It’s a pretty important piece in a lot of different systems. The most obvious is your speedometer, that gets its reading directly from this sensor. But it does a lot more than just that. Your transmission relies on speed sensor data to shift gears smoothly and at the right time. Your ABS system—the one that stops your wheels from locking up during hard braking—absolutely needs accurate speed information. Even things like cruise control depend on it. It's kind of like a central messenger, sending speed data around to all these different parts.

Symptoms, Risks & Replacements

If this sensor goes bad, you’ll notice it. Typically, you’ll get a check engine light, that’s the first sign. Your speedometer might become erratic or stop working altogether. Transmission shifting will likely become rough, hesitant, or just plain wrong. Your ABS might not engage when it should. Basically, a failing speed sensor throws a wrench into a lot of systems that keep you safe and help your car run right. You can find a replacement pretty easily – Fixparts Online has a good selection if you're looking. It’s usually a pretty straightforward fix, but getting it taken care of quickly is important before other things start acting up because of the bad reading. Product information is provided for reference only. The part number and compatibility with your equipment are decisive when selecting the correct item.