BMW Brake Fluid Reservoir / Tank Cap 34336770607
OEM Part #: 34-33-6-770-607 (34336770607)
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The Brake Fluid Reservoir / Tank Cap is an essential component located on the top of the brake fluid reservoir in various BMW models. This cap seals the brake fluid reservoir, ensuring the system remains pressurized and free from contaminants. It plays a critical role in the hydraulic braking system, directly influencing braking efficiency. Common issues necessitating replacement include cracked or worn caps, which can lead to fluid leaks and compromised braking performance. This part is compatible with BMW models like the X3 (2011-2017), X4 (2015-2018), and 740iL/750iL (1996-1998), as well as the 528i/540i/740i (1997-1998). OEM part number 1164909 is a key reference for sourcing this genuine manufacturer component, ensuring reliable performance in maintaining braking integrity.
Specifications
| Fits Vehicle Model | 528i, 540i, 740i, 740iL, 750iL, X3, X4 |
| Fits Vehicle Make | BMW |
| OEM Part No | 34-33-6-770-607 (34336770607) |
| Compatible OEM Part No | 1164909 |
| Category | Master Cylinder |
Compatible Vehicles
Fits 37 vehicle configurations across 1 make, 1996-2018.
View all 37 vehicle configurations — 12 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 1996 | BMW | 740iL | Sedan | 4.4L V8 | For Vehicles with Production Date Between 09/1996 and 09/1997 |
| 1996 | BMW | 750iL | Sedan | 5.4L V12 | For Vehicles with Production Date Between 09/1996 and 09/1997 |
| 1997 | BMW | 528i | Sedan | 2.8L l6 | For Vehicles with Production Date Between 09/1996 and 09/1997 |
| 1997 | BMW | 540i | Sedan | 4.4L V8 | For Vehicles with Production Date Between 09/1996 and 09/1997 |
| 1997 | BMW | 740i | Sedan | 4.4L V8 | For Vehicles with Production Date Between 09/1996 and 09/1997 |
| 1997 | BMW | 740iL | Sedan | 4.4L V8 | For Vehicles with Production Date Between 09/1996 and 09/1997 |
| 1997 | BMW | 750iL | Sedan | 5.4L V12 | For Vehicles with Production Date Between 09/1996 and 09/1997 |
| 1998 | BMW | 528i | Sedan | 2.8L l6 | For Vehicles with Production Date Between 09/1996 and 09/1997 |
| 1998 | BMW | 540i | Sedan | 4.4L V8 | For Vehicles with Production Date Between 09/1996 and 09/1997 |
| 1998 | BMW | 740i | Sedan | 4.4L V8 | For Vehicles with Production Date Between 09/1996 and 09/1997 |
| 1998 | BMW | 740iL | Sedan | 4.4L V8 | For Vehicles with Production Date Between 09/1996 and 09/1997 |
| 1998 | BMW | 750iL | Sedan | 5.4L V12 | For Vehicles with Production Date Between 09/1996 and 09/1997 |
| 2011 | BMW | X3 | SUV | 3.0L l6 | |
| 2011 | BMW | X3 | SUV | 3.0L l6 Turbo | |
| 2012 | BMW | X3 | SUV | 3.0L l6 Turbo | |
| 2012 | BMW | X3 | SUV | 3.0L l6 | |
| 2013 | BMW | X3 | SUV | 2.0L l4 Turbo | |
| 2013 | BMW | X3 | SUV | 3.0L l6 Turbo | |
| 2014 | BMW | X3 | SUV | 2.0L l4 Turbo | |
| 2014 | BMW | X3 | SUV | 3.0L l6 Turbo | |
| 2015 | BMW | X3 | SUV | 2.0L l4 Turbo | |
| 2015 | BMW | X3 | SUV | 2.0L l4 Diesel Turbo | |
| 2015 | BMW | X3 | SUV | 3.0L l6 Turbo | |
| 2015 | BMW | X4 | SUV | 2.0L l4 Turbo | |
| 2015 | BMW | X4 | SUV | 3.0L l6 Turbo | |
| 2016 | BMW | X3 | SUV | 2.0L l4 Turbo | |
| 2016 | BMW | X3 | SUV | 2.0L l4 Diesel Turbo | |
| 2016 | BMW | X3 | SUV | 3.0L l6 Turbo | |
| 2016 | BMW | X4 | SUV | 3.0L l6 Turbo | |
| 2016 | BMW | X4 | SUV | 2.0L l4 Turbo | |
| 2017 | BMW | X3 | SUV | 2.0L l4 Turbo | |
| 2017 | BMW | X3 | SUV | 2.0L l4 Diesel Turbo | |
| 2017 | BMW | X3 | SUV | 3.0L l6 Turbo | |
| 2017 | BMW | X4 | SUV | 3.0L l6 Turbo | |
| 2017 | BMW | X4 | SUV | 2.0L l4 Turbo | |
| 2018 | BMW | X4 | SUV | 3.0L l6 Turbo | |
| 2018 | BMW | X4 | SUV | 2.0L l4 Turbo |