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Sachs 5398080 - Clutch Master and Slave Cylinder Assembly
Product Overview
The Sachs 5398080-Kit Clutch Master and Slave Cylinder Assembly supports the replacement of essential components in the clutch system. This kit provides an OE-level set of matched components designed for precision fitment and reliability. Symptoms of potential issues may include difficulty in engaging gears, clutch slipping, or hydraulic fluid leaks around the clutch assembly. The kit is identified by MPN 5398080-Kit and is intended for use in specific vehicle models requiring clutch cylinder service.
Kit Contents
- 1 x Sachs - (SH5266) Clutch Master Cylinder
- 1 x Sachs - (SH6169) Clutch Slave Cylinder
Cross Reference Numbers
This Sachs 5398080-Kit kit is equivalent to or replaces the following part numbers: SH5266, SH6169.
Vehicle Compatibility
- BMW 525i 2.5 (2004–2005)
- BMW 545i 4.4 V8 (2004–2005)
- BMW 645Ci 4.4 V8 (2004–2005)
- BMW 530i 3.0 (2004–2007)
- BMW 525i 3.0 (2006–2007)
- BMW 525xi 3.0 (2006–2007)
- BMW 530xi 3.0 (2006–2007)
- BMW 550i 4.8 V8 (2006–2008)
- BMW 650i 4.8 V8 (2006–2008)
- BMW M5 5.0 V10 (2007–2010)
- BMW M6 5.0 V10 (2008–2010)
This kit also fits other applications. Please use the vehicle selector tool to verify compatibility before purchase.
Why Shop at eEuroparts.com?
- Expertise You Can Trust: Over 25 years specializing exclusively in European vehicles.
- Kits That Fit™ – complete, curated repair solutions with zero guesswork.
- Fitment Confidence: Industry-leading catalog accuracy ensures you get the right part the first time.
- Fast, Reliable Delivery: Most orders ship same or next business day from our U.S. warehouses.
- Transparent, Honest Pricing: Competitive prices with no hidden fees ever.
- Trusted Since 2000: Proudly serving the European car community for over two decades.
Frequently Asked Questions
What are the symptoms of a failing clutch master cylinder?
Common symptoms include difficulty shifting gears, a spongy or soft clutch pedal, and hydraulic fluid leaks near the master cylinder.
How do I know if my clutch slave cylinder is faulty?
Signs of a faulty clutch slave cylinder may include clutch pedal sticking, loss of hydraulic pressure, or visible fluid leaks around the slave cylinder area.
What is the importance of replacing both the master and slave cylinders?
Replacing both cylinders together can help ensure optimal performance and prevent future issues, as they work in tandem within the clutch system.
Can I use aftermarket parts instead of this Sachs kit?
While aftermarket parts may be available, using the Sachs 5398080-Kit is recommended for maintaining OE fitment and reliability.
How often should I inspect my clutch system?
It is advisable to inspect the clutch system regularly, especially if you notice any symptoms such as slipping or difficulty in gear engagement.
Order Sachs 5398080-Kit today to support a complete, well-matched repair for your vehicle.
Note: All information on this page and in the FAQ is for general reference only. Verify fitment and consult a professional as needed. eEuroparts.com is not responsible for incorrect part selection or installation.
- BrandSachs
- ManufacturerSachs
- MPN5398080-Kit
- Part TypeClutch Master and Slave Cylinder Assembly
- Kit Content1 x Sachs - (SH5266) Clutch Master Cylinder
1 x Sachs - (SH6169) Clutch Slave Cylinder - Cross Reference Numbers5398080Kit, 35-8177, 358177, 700840, 96267, 128016, 671-8087, 6718087, 86259, CH8878, 35-PF87833, 35PF87833, 6911, 86267, 128878, 52104, 96259, 9729
- FeaturesBore Diameter : (Clutch Slave Cylinder) 20.6
California Proposition 65 Required : (Clutch Master Cylinder) N
California Proposition 65 Required : (Clutch Slave Cylinder) N
Connector Gender : (Clutch Master Cylinder) Male
Grade Type : (Clutch Slave Cylinder) Regular
Heat Shield Included : (Clutch Master Cylinder) No
Hose Included : (Clutch Master Cylinder) No
Material : (Clutch Master Cylinder) Plastic
Material : (Clutch Slave Cylinder) Aluminum
Mounting Hardware Included : (Clutch Master Cylinder) No
Mounting Hole Quantity : (Clutch Slave Cylinder) 2
Mounting Type : (Clutch Slave Cylinder) Flange
Outlet Quantity : (Clutch Master Cylinder) 1
Pre-Filled Fluid : (Clutch Master Cylinder) No
Pre-Filled Fluid : (Clutch Slave Cylinder) No
Push Rod Included : (Clutch Master Cylinder) Yes
Push Rod Included : (Clutch Slave Cylinder) Yes
Reservoir Included : (Clutch Master Cylinder) No
Reservoir Style : (Clutch Master Cylinder) Remote
Reservoir Type : (Clutch Master Cylinder) Single
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2004 | BMW | 525i | Base (2.5 L6 GAS) | Speed: 6 |
| 2004 | BMW | 530i | Base (3.0 L6 GAS) | Speed: 5, Speed: 6 |
| 2004 | BMW | 545i | Base (4.4 V8 GAS) | Speed: 6 |
| 2004 | BMW | 645Ci | Base (4.4 V8 GAS) | Speed: 6 |
| 2005 | BMW | 525i | Base (2.5 L6 GAS) | Speed: 6 |
| 2005 | BMW | 530i | Base (3.0 L6 GAS) | Speed: 6 |
| 2005 | BMW | 545i | Base (4.4 V8 GAS) | Speed: 6 |
| 2005 | BMW | 645Ci | Base (4.4 V8 GAS) | Speed: 6 |
| 2006 | BMW | 530i | Base (3.0 L6 GAS) | Speed: 6 |
| 2006 | BMW | 525i | Base (3.0 L6 GAS) | Speed: 6 |
| 2006 | BMW | 530xi | Base (3.0 L6 GAS) | Speed: 6 |
| 2006 | BMW | 525xi | Base (3.0 L6 GAS) | Speed: 6 |
| 2006 | BMW | 550i | Base (4.8 V8 GAS) | Speed: 6, Notes: Except Sequential Shift Transmission |
| 2006 | BMW | 650i | Base (4.8 V8 GAS) | Speed: 6, Notes: Except Sequential Shift Transmission |
| 2007 | BMW | 525i | Base (3.0 L6 GAS) | Speed: 6 |
| 2007 | BMW | 530i | Base (3.0 L6 GAS) | Speed: 6 |
| 2007 | BMW | 550i | Base (4.8 V8 GAS) | Speed: 6, Notes: Except Sequential Shift Transmission |
| 2007 | BMW | 525xi | Base (3.0 L6 GAS) | Speed: 6 |
| 2007 | BMW | 530xi | Base (3.0 L6 GAS) | Speed: 6 |
| 2007 | BMW | 650i | Base (4.8 V8 GAS) | Speed: 6, Notes: Except Sequential Shift Transmission |
| 2007 | BMW | M5 | Base (5.0 V10 GAS) | Speed: 6 |
| 2008 | BMW | 550i | Base (4.8 V8 GAS) | Speed: 6 |
| 2008 | BMW | M5 | Base (5.0 V10 GAS) | Speed: 6 |
| 2008 | BMW | 650i | Base (4.8 V8 GAS) | Speed: 6 |
| 2008 | BMW | M6 | Base (5.0 V10 GAS) | Speed: 6 |
| 2009 | BMW | M5 | Base (5.0 V10 GAS) | Speed: 6 |
| 2009 | BMW | M6 | Base (5.0 V10 GAS) | Speed: 6 |
| 2010 | BMW | M5 | Base (5.0 V10 GAS) | Speed: 6, Speed: 7 |
| 2010 | BMW | M6 | Base (5.0 V10 GAS) | Speed: 6, Speed: 7 |
Warranty Overview
At eEuroparts, we stand behind the quality of the products we sell. Every part we offer is backed by a warranty designed to give you peace of mind and protect your investment.
Standard Warranty – Most Parts
Coverage: 2 years or 24,000 miles (whichever comes first) from purchase date.
Protection: Defects in materials or workmanship under normal personal use.
Eligibility: Applies only to the original purchaser and the vehicle where the part was first installed.
Exclusions:
Wear-and-tear items (brake pads, filters, bulbs, wipers, etc.)
Commercial, fleet, rideshare, off-road, or racing use
Improper installation, misuse, accidents, or modifications
Not Covered: Labor, shipping, towing, or incidental costs.
Bison Performance Warranty – Our House Brand
Coverage: Limited Lifetime Warranty for as long as you own your vehicle.
Applies To: All products sold under the Bison Performance label.
Premium Protection: Goes beyond our standard warranty — if it’s a Bison product, the 2-year/24k mile limit is replaced with lifetime coverage.
Exclusions: Same as the standard warranty (normal wear, commercial use, improper installation, etc.).
What’s Included: Replacement of the defective product (labor and shipping excluded).
Warranty Claim Requirements
To keep claims fast and fair, we require:
Proof of purchase (invoice or order confirmation).
Photos or videos showing the defective part, order number, date, VIN, and odometer reading.
Diagnostic reports or part returns for non-visible issues may be requested.
Claims must be truthful, properly documented, and reflect normal consumer use.
Buy With Confidence: We back our products because we believe in their quality, with a transparent, customer-first warranty process you can trust. And with Bison Performance products, you’ll enjoy Limited Lifetime protection—an assurance few brands can match.
For full details and exclusions, please see our complete Warranty Terms & Conditions.
This summary is for convenience only. For full warranty coverage details, exclusions, and requirements, see our official Warranty Terms & Conditions. In case of conflict, the full policy governs.
Return Policy Overview
Most parts can be returned within 30 days of delivery if unused, uninstalled, and in original packaging.
To start a return, contact customer support via Chat or Contact Us.
Restocking fee: Up to 20% may apply for certain orders (buyer’s remorse, order errors, or special-order items)
Refunds: Issued to your original payment method within 3–5 business days after inspection
Exchanges: Not automatic — please return and reorder
Replacements: May be approved for incorrect or defective items reported within 7 days
Not returnable:
Used or installed parts
Electrical components
Opened filter kits, gaskets, or contaminated items
Final sale or custom orders
Important Notes:
Return shipping is your responsibility unless we made a verified error
Fitment is the customer’s responsibility (we can assist, but do not guarantee)
Country of origin may vary and is not grounds for return
For complete details, please see our full Return Policy.
This Returns summary is provided for convenience only. All returns, refunds, and exchanges are subject to the complete Returns Policy. In the event of any conflict, the full policy governs.
Fast, Reliable Shipping — Straight to Your Door
We ship most orders the same day when placed before 2 PM CST (Monday–Friday). Our main warehouse is just east of Nashville, TN, and we also ship from multiple locations nationwide to get your order to you as quickly as possible.
We use trusted carriers like UPS, FedEx, and USPS.
Tracking info is emailed to you as soon as your order ships.
Delivery estimates at checkout are based on carrier data, but not guaranteed.
Need help with a shipment?
If your order is missing, damaged, or incorrect, just let us know within 5 days of delivery. We’ll walk you through the quick claim process — including a few photos to help us make things right.
For complete details, please see our full Shipping Policy.
This Shipping summary is provided for convenience only. Delivery times, carrier terms, fees, restrictions, risk of loss, and other details are governed by our complete Shipping Policy. In the event of any conflict, the full policy governs.




