SKU: SPRK-H1000D-BM-16-ST | UPC: 1037721243997
Supertech BMW M54 16pc Dual Valve Spring & Titanium Retainer Kit
The Supertech SPRK-H1000D-BM-16-ST Dual Valve Spring Kit is the best high-performance valvetrain upgrade for BMW M54 engine owners seeking maximum reliability at high RPM, aggressive cam profiles, or boosted applications. Engineered with premium dual valve springs and lightweight titanium retainers, this complete 16-piece kit delivers superior strength, precise valve control, and reduced valve float – ideal for naturally aspirated, supercharged, or turbocharged M54 builds in E46, E39, Z3, Z4, and other compatible platforms.
Key Features
- Dual Valve Springs: High-tensile dual spring design for maximum durability, consistent pressure, and high-RPM stability
- Titanium Retainers: Lightweight, high-strength titanium reduces valvetrain mass for improved dynamics and reduced wear
- Optimized Spring Rates: Engineered to handle aggressive cams and boost without coil bind or loss of control
- Complete 16-Piece Kit: Includes 16 dual springs, 16 titanium retainers, and necessary hardware for full head installation
- Direct Fit: Designed specifically for BMW M54 engines – drop-in replacement with stock keepers and seals
- Made in USA: Supertech precision manufacturing – trusted in motorsport and high-performance BMW builds
Specifications
| Specification | Detail |
|---|---|
| Part Number | SPRK-H1000D-BM-16-ST |
| Spring Type | Dual Valve Spring |
| Retainer Material | Titanium |
| Engine | BMW M54 (3.0L Inline-6) |
| Compatibility | 1999-2006 BMW M54 Engines (E46 330i/Ci, E39 530i, Z3/Z4 3.0, etc.) |
| Installation | Direct Drop-In (Requires Valve Spring Tool) |
| Country of Origin | United States |
| Warranty | Limited (Manufacturer) |
| Shipping Weight | 3 lbs |
| Shipping Dimensions | 9.3 x 6.3 x 2.4 inches |
What’s Included in the Kit (SPRK-H1000D-BM-16-ST)
- 16 x Dual Valve Springs High-performance dual springs for maximum RPM and boost capability
- 16 x Titanium Retainers Lightweight, precision-machined for reduced valvetrain mass
- 16 x Valve Locks Matched high-quality locks for secure retainer installation
- Seat Locators / Locators (as applicable) Ensures proper spring alignment and seating
Product Notes
- Complete 16-piece kit dual springs with titanium retainers for high-RPM and boosted M54 reliability
- Recommended for aftermarket cams, forced induction, or stock valvetrain upgrades
- Does not include valve stem seals reuse stock or upgrade separately for high-performance applications
Installation Notes
- Estimated time: 4-8 hours, advanced difficulty, professional installation strongly recommended
- Requires valve spring compressor tool, cam removal, and precise installation – torque to BMW specs
- Full valvetrain inspection, timing check, and break-in procedure advised during install
This Part Fits
| Year | Make | Model | Notes |
|---|---|---|---|
| 1999-2006 | BMW | 3 Series / 5 Series / Z3 / Z4 | M54 Engines (330i/Ci, 530i, Z3 3.0, Z4 3.0, etc.) |
Why Choose Supertech M54 Dual Valve Spring Kit?
- Dual springs and titanium retainers provide excellent high-RPM stability and boost capability
- Reduces valvetrain mass and improves response in high-performance M54 builds
- Made in USA with motorsport-proven quality trusted upgrade for E46 M54 and boosted applications
Frequently Asked Questions
- Q: Will this kit fit my 2004 E46 330i M54?
A: Yes, Supertech SPRK-H1000D-BM-16-ST is designed for all BMW M54 engines (1999-2006). - Q: Does it include valve stem seals?
A: No, kit includes springs, retainers, and locks; reuse stock seals or upgrade for high-boost. - Q: Is professional installation required?
A: Yes, requires engine disassembly and precise valvetrain setup; professional recommended. - Q: What RPM range is this kit good for?
A: Supports high-RPM builds (8000+ RPM) and aggressive cams in naturally aspirated or boosted M54 applications.
Shipping & Handling
- Method: UPS/FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Secure retail box
- Weight: 3 lbs
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