Oil Cooler Transmission (BMW 1 Series E81/E87 / E82/E88 / 3 Series E90 / X1 E84) is a critical component designed to regulate the temperature of the transmission fluid in specified BMW models. By maintaining optimal fluid temperature, this oil cooler helps preserve transmission performance and longevity under various driving conditions.
This transmission oil cooler is specifically suited for BMW 1 Series (E81/E87 and E82/E88), 3 Series E90, and X1 E84 variants. When considering replacement, buyers should compare this part directly with the existing oil cooler to ensure compatibility in terms of mounting points and fluid connections. It is essential to confirm that your vehicle’s model and series match those listed for this unit to ensure proper function and fit.
The transmission oil cooler operates by dissipating heat from the transmission fluid, preventing overheating which can lead to transmission damage. This part is categorized under oil coolers and bears the SKU BB-252188 for identification. Its role is integral to maintaining the stable operation of the transmission system in the affected BMW models.
- For BMW 1 Series, 3 Series, and X1 with listed chassis codes.
- Check old part for matching connections and size.
- Refer to vehicle-specific details before purchase.
Need help matching this item to your vehicle? Use more Oil Cooler, Vehicle Parts Finder or Request a Part with your VIN, engine number, part number or clear photos.

