2009-2019 BMW Transmission Oil Cooler / Heat Exchanger 17217638679
OEM Part #: 17-21-7-638-679 (17217638679)
Actual photo
The exact part you’ll receive — not a stock photo.
$18.49
Used
Donor2014 BMW 750Li xDrive · 4.4L
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Genuine OEM Used
SKU: 490782
Donor Vehicle: 2014 BMW 750Li xDrive · 4.4L
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$18.49
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Genuine OEM Used
SKU: 550088
Donor Vehicle: 2013 BMW 750Li · 4.4L
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$19.49
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Genuine OEM Used
SKU: 475901
Donor Vehicle: 2013 BMW 750Li xDrive · 4.4L
2 photos
$34.99
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Genuine OEM Used
SKU: 683647
Donor Vehicle: 2015 BMW 750Li · 4.4L
2 photos
$34.99
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Used BMW transmission oil cooler / heat exchanger, OEM part number 7638679. This genuine used component, also known as an oil-to-coolant heat exchanger, also replaces numbers 7638678, 7597890, and 7572540. It manages transmission fluid temperature by transferring heat to the engine's cooling system. A failing unit can cause erratic shifting or transmission overheating warnings. This part fits multiple BMW models with 3.0L, 4.4L, 4.8L, or 6.0L engines, including turbocharged and hybrid variants.
Specifications
| Fits Vehicle Model | 535i, 535i GT, 535i GT xDrive, 640i, 640i Gran Coupe, 740i, 740Li, 750i, 750i xDrive, 750Li, 750Li xDrive, 760Li, ActiveHybrid 5, ActiveHybrid 7 |
| Fits Vehicle Make | BMW |
| OEM Part No | 17-21-7-638-679 (17217638679) |
| Compatible OEM Part No | 7638678, 7597890, 7572540, 7638681, 7599546, 7572541, 8624132 |
| Category | Transmission |
Compatible Vehicles
Fits 89 vehicle configurations across 1 make, 2009-2019.
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 89 vehicle configurations — 34 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2011 | BMW | 740Li | Sedan | 3.0L l6 Turbo | |
| 2012 | BMW | 750Li | Sedan | 4.4L V8 Turbo | |
| 2012 | BMW | 740Li | Sedan | 3.0L l6 Turbo | |
| 2012 | BMW | 535i | Sedan | 3.0L l6 Turbo | |
| 2013 | BMW | 535i | Sedan | 3.0L l6 Turbo | |
| 2011 | BMW | 535i | Sedan | 3.0L l6 Turbo | |
| 2014 | BMW | 750i xDrive | Sedan | 4.4L V8 Turbo | |
| 2013 | BMW | 750i xDrive | Sedan | 4.4L V8 Turbo | |
| 2015 | BMW | 750i xDrive | Sedan | 4.4L V8 Turbo | |
| 2013 | BMW | 750i | Sedan | 4.4L V8 Turbo | For Vehicles with Production Date After 10/2010 |
| 2014 | BMW | 750i | Sedan | 4.4L V8 Turbo | For Vehicles with Production Date After 10/2010 |
| 2015 | BMW | 750i | Sedan | 4.4L V8 Turbo | For Vehicles with Production Date After 10/2010 |
| 2014 | BMW | 740i | Sedan | 3.0L l6 Turbo | For Vehicles with Production Date After 10/2010 |
| 2013 | BMW | 740i | Sedan | 3.0L l6 Turbo | For Vehicles with Production Date After 10/2010 |
| 2015 | BMW | 740i | Sedan | 3.0L l6 Turbo | For Vehicles with Production Date After 10/2010 |
| 2012 | BMW | 750i xDrive | Sedan | 4.4L V8 Turbo | |
| 2011 | BMW | 750i xDrive | Sedan | 4.4L V8 Turbo | |
| 2010 | BMW | 750i xDrive | Sedan | 4.4L V8 Turbo | |
| 2012 | BMW | 750i | Sedan | 4.4L V8 Turbo | |
| 2009 | BMW | 750i | Sedan | 4.4L V8 Turbo | |
| 2011 | BMW | 750i | Sedan | 4.4L V8 Turbo | |
| 2010 | BMW | 750i | Sedan | 4.4L V8 Turbo | |
| 2015 | BMW | 760Li | Sedan | 6.0L V12 Turbo | For Vehicles with Production Date After 10/2010 |
| 2014 | BMW | 760Li | Sedan | 6.0L V12 Turbo | For Vehicles with Production Date After 10/2010 |
| 2013 | BMW | 760Li | Sedan | 6.0L V12 Turbo | For Vehicles with Production Date After 10/2010 |
| 2015 | BMW | 750Li xDrive | Sedan | 4.4L V8 Turbo | |
| 2014 | BMW | 750Li xDrive | Sedan | 4.4L V8 Turbo | |
| 2013 | BMW | 750Li xDrive | Sedan | 4.4L V8 Turbo | |
| 2014 | BMW | 750Li | Sedan | 4.4L V8 Turbo | For Vehicles with Production Date After 10/2010 |
| 2015 | BMW | 750Li | Sedan | 4.4L V8 Turbo | For Vehicles with Production Date After 10/2010 |
| 2013 | BMW | 750Li | Sedan | 4.4L V8 Turbo | For Vehicles with Production Date After 10/2010 |
| 2013 | BMW | 740Li | Sedan | 3.0L l6 Turbo | For Vehicles with Production Date After 10/2010 |
| 2015 | BMW | 740Li | Sedan | 3.0L l6 Turbo | For Vehicles with Production Date After 10/2010 |
| 2014 | BMW | 740Li | Sedan | 3.0L l6 Turbo | For Vehicles with Production Date After 10/2010 |
| 2011 | BMW | 760Li | Sedan | 6.0L V12 Turbo | |
| 2012 | BMW | 760Li | Sedan | 6.0L V12 Turbo | |
| 2010 | BMW | 760Li | Sedan | 6.0L V12 Turbo | |
| 2012 | BMW | 750Li xDrive | Sedan | 4.4L V8 Turbo | |
| 2011 | BMW | 750Li xDrive | Sedan | 4.4L V8 Turbo | |
| 2010 | BMW | 750Li xDrive | Sedan | 4.4L V8 Turbo | |
| 2011 | BMW | 750Li | Sedan | 4.4L V8 Turbo | |
| 2010 | BMW | 750Li | Sedan | 4.4L V8 Turbo | |
| 2009 | BMW | 750Li | Sedan | 4.4L V8 Turbo | |
| 2014 | BMW | 535i | Sedan | 3.0L l6 Turbo | |
| 2015 | BMW | 535i | Sedan | 3.0L l6 Turbo | |
| 2016 | BMW | 535i | Sedan | 3.0L l6 Turbo | |
| 2014 | BMW | ActiveHybrid 7 | Sedan | 3.0L l6 Turbo | |
| 2014 | BMW | 535i GT xDrive | Hatchback | 3.0L l6 Turbo | For Vehicles with Production Date After 10/2010 |
| 2017 | BMW | 535i GT xDrive | Hatchback | 3.0L l6 Turbo | For Vehicles with Production Date After 10/2010 |
| 2016 | BMW | 535i GT xDrive | Hatchback | 3.0L l6 Turbo | For Vehicles with Production Date After 10/2010 |
| 2015 | BMW | 535i GT xDrive | Hatchback | 3.0L l6 Turbo | For Vehicles with Production Date After 10/2010 |
| 2017 | BMW | 535i GT | Hatchback | 3.0L l6 Turbo | For Vehicles with Production Date After 10/2010 |
| 2015 | BMW | 535i GT | Hatchback | 3.0L l6 Turbo | For Vehicles with Production Date After 10/2010 |
| 2016 | BMW | 535i GT | Hatchback | 3.0L l6 Turbo | For Vehicles with Production Date After 10/2010 |
| 2014 | BMW | 535i GT | Hatchback | 3.0L l6 Turbo | For Vehicles with Production Date After 10/2010 |
| 2010 | BMW | 535i GT | Hatchback | 3.0L l6 Turbo | |
| 2013 | BMW | 535i GT | Hatchback | 3.0L l6 Turbo | |
| 2011 | BMW | 535i GT | Hatchback | 3.0L l6 Turbo | |
| 2012 | BMW | 535i GT | Hatchback | 3.0L l6 Turbo | |
| 2012 | BMW | 740i | Sedan | 3.0L l6 Turbo | |
| 2011 | BMW | 740i | Sedan | 3.0L l6 Turbo | |
| 2017 | BMW | 640i | Coupe | 3.0L l6 Turbo | |
| 2018 | BMW | 640i | Coupe | 3.0L l6 Turbo | |
| 2016 | BMW | 640i | Coupe | 3.0L l6 Turbo | |
| 2015 | BMW | 640i | Coupe | 3.0L l6 Turbo | For Vehicles with Production Date After 10/2010 |
| 2013 | BMW | 640i | Coupe | 3.0L l6 Turbo | For Vehicles with Production Date After 10/2010 |
| 2014 | BMW | 640i | Coupe | 3.0L l6 Turbo | For Vehicles with Production Date After 10/2010 |
| 2012 | BMW | 640i | Coupe | 3.0L l6 Turbo | For Vehicles with Production Date After 10/2010 |
| 2016 | BMW | 640i | Convertible | 3.0L l6 Turbo | |
| 2018 | BMW | 640i | Convertible | 3.0L l6 Turbo | |
| 2017 | BMW | 640i | Convertible | 3.0L l6 Turbo | |
| 2015 | BMW | 640i | Convertible | 3.0L l6 Turbo | For Vehicles with Production Date After 10/2010 |
| 2012 | BMW | 640i | Convertible | 3.0L l6 Turbo | For Vehicles with Production Date After 10/2010 |
| 2013 | BMW | 640i | Convertible | 3.0L l6 Turbo | For Vehicles with Production Date After 10/2010 |
| 2014 | BMW | 640i | Convertible | 3.0L l6 Turbo | For Vehicles with Production Date After 10/2010 |
| 2019 | BMW | 640i Gran Coupe | Sedan | 3.0L l6 Turbo | |
| 2016 | BMW | 640i Gran Coupe | Sedan | 3.0L l6 Turbo | |
| 2017 | BMW | 640i Gran Coupe | Sedan | 3.0L l6 Turbo | |
| 2018 | BMW | 640i Gran Coupe | Sedan | 3.0L l6 Turbo | |
| 2014 | BMW | 640i Gran Coupe | Sedan | 3.0L l6 Turbo | For Vehicles with Production Date After 10/2010 |
| 2015 | BMW | 640i Gran Coupe | Sedan | 3.0L l6 Turbo | For Vehicles with Production Date After 10/2010 |
| 2013 | BMW | 640i Gran Coupe | Sedan | 3.0L l6 Turbo | For Vehicles with Production Date After 10/2010 |
| 2015 | BMW | ActiveHybrid 7 | Sedan | 3.0L l6 Turbo | |
| 2013 | BMW | ActiveHybrid 7 | Sedan | 3.0L l6 Turbo | |
| 2013 | BMW | ActiveHybrid 5 | Sedan | 3.0L l6 Turbo | |
| 2012 | BMW | ActiveHybrid 5 | Sedan | 3.0L l6 Turbo | |
| 2015 | BMW | ActiveHybrid 5 | Sedan | 3.0L l6 Turbo | |
| 2014 | BMW | ActiveHybrid 5 | Sedan | 3.0L l6 Turbo | |
| 2016 | BMW | ActiveHybrid 5 | Sedan | 3.0L l6 Turbo |