2012-2016 BMW Transmission Oil Cooler / Heat Exchanger 17217638581
OEM Part #: 17-21-7-638-581 (17217638581)
Actual photo
The exact part you’ll receive — not a stock photo.
$39.49
Used
Donor2013 BMW 528i xDrive · 2.0L
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Genuine OEM Used
SKU: 587991
Donor Vehicle: 2013 BMW 528i xDrive · 2.0L
2 photos
$39.49
30-Day Returns
Genuine OEM Used
SKU: 437404
Donor Vehicle: 2015 BMW 528i xDrive · 2.0 · 77k miles
2 photos
$39.49
30-Day Returns
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BMW transmission oil cooler / heat exchanger, OEM part number 7638581, is a used genuine component removed from a donor vehicle. Also known as a heat exchanger, it replaces 7618777. This part cools transmission fluid on the 2.0L turbocharged I4 engine in the 528i xDrive. When this cooler fails, it can leak coolant or oil, leading to transmission slipping or overheating. Proper function is critical for maintaining safe operating temperatures and transmission longevity.
Specifications
| Fits Vehicle Model | 528i xDrive |
| Fits Vehicle Make | BMW |
| OEM Part No | 17-21-7-638-581 (17217638581) |
| Compatible OEM Part No | 7618777 |
| Category | Transmission |
Compatible Vehicles
Fits 5 vehicle configurations across 1 make, 2012-2016.
Check your specific vehicle before ordering.
This list shows year, make, and model. Some years have multiple trims or
engines that use different parts, and individual listings may have
additional fitment notes (e.g. “with sunroof only”). Review
the full variant list below, or
message us with your VIN
and we’ll confirm the match.
View all 5 vehicle configurations
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2012 | BMW | 528i xDrive | Sedan | 2.0L l4 Turbo | |
| 2013 | BMW | 528i xDrive | Sedan | 2.0L l4 Turbo | |
| 2015 | BMW | 528i xDrive | Sedan | 2.0L l4 Turbo | |
| 2014 | BMW | 528i xDrive | Sedan | 2.0L l4 Turbo | |
| 2016 | BMW | 528i xDrive | Sedan | 2.0L l4 Turbo |