SKU: CF-SHIM-1.70 / UPC: 0103772124864
Supertech CF-SHIM-1.70 Cam Follower Shim 8mm Dia 1.70mm Thick
This Supertech cam follower shim measures 8mm in diameter and 1.70mm thick designed specifically for precise lash adjustments in BMW S54 and S65 engines. It fits E46 M3 and E90/E92/E93 M3 models ensuring valvetrain operates smoothly at high RPMs. Built from premium tool steel this shim delivers reliable performance in demanding racing conditions.
Key Features
- Precision Thickness – 1.70mm exact measurement allows fine-tuned clearance adjustments in 0.01mm steps
- 8mm Diameter – Matches standard cam follower stem size for direct fit in BMW valvetrains
- Hardened Tool Steel – Resists wear and maintains shape under extreme valve spring pressures
- Black Oxide Finish – Provides corrosion protection for long-term durability
- Ground Tolerance – +/- 0.002mm accuracy ensures consistent contact and lash settings
- High RPM Design – Supports aggressive cam profiles in performance builds
Specifications
| Detail | Value |
|---|---|
| Brand | Supertech |
| Type | Cam Follower Shim |
| Compatibility | BMW S54 S65 Engines E46 E90 M3 |
| Diameter | 8mm |
| Thickness | 1.70mm |
| Country of Origin | Italy |
| Warranty | Lifetime limited on manufacturing defects |
Whats Included
- 1 x Supertech Cam Follower Shim 8mm Dia 1.70mm Thick
Product Notes
- Sold individually measure current clearance with feeler gauge to select exact thickness
- Compatible with Supertech and OEM cam followers of matching 8mm stem diameter
- Recommended for use in high performance valvetrain rebuilds
This Part Fits
| Year Range | Make | Model | Notes |
|---|---|---|---|
| 2001-2006 | BMW | M3 (E46) | S54 engine |
| 2008-2013 | BMW | M3 (E90/E92/E93) | S65 engine |
Why Choose Supertech?
- Manufactured with racing-grade materials for track-proven reliability
- Exact tolerances reduce valvetrain noise and float
- Used by professional engine builders worldwide
- Direct OEM replacement with enhanced durability
Frequently Asked Questions
- Q: How do I determine the correct shim thickness?
- A: Use a micrometer on existing shim and add/subtract based on lash measurement
- Q: Will this fit non-Supertech cam followers?
- A: Yes if the follower stem is 8mm diameter as in BMW S54/S65
- Q: Is installation straightforward?
- A: Requires valvetrain disassembly use cam lobe base circle for zero lash setup
Shipping & Handling
- Method: UPS Ground / USPS First Class
- Availability: In stock – ships same or next business day
- Packaging: Protective anti-static bag in padded envelope 4 x 4 x 0.25 inches
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