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SPEC Spec 3/03-05 BMW Z4/325/330 6 spd / 04-05 530 Stage 1 Clutch Kit
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Spec 3/03-05 BMW Z4/325/330 6 spd / 04-05 530 Stage 1 Clutch Kit

SPEC
SPECSB071
Clutch Kits - Single
Out of stock
$ 749.00 $ 674.10

SKU: CSB071

Spec Stage 1 Clutch Kit for 2003-2005 BMW Z4/325/330 6-Spd & 2004-2005 530i

This SPEC Stage 1 Clutch Kit (SB071) upgrades the factory clutch in 6-speed manual BMW E46 and E60 models with a high-performance pressure plate and organic disc for reliable power handling. It fits 2003-2005 BMW 325Ci/i/xi, 330Ci/i/xi, Z4 3.0i, and 2004-2005 530i, delivering smooth engagement and increased torque capacity up to 325 ft-lbs for spirited driving without sacrificing comfort.

Key Features

  • Increased Torque Capacity: Handles up to 325 ft-lbs, perfect for modified engines with bolt-ons like intakes, exhausts, and tunes while maintaining stock-like pedal feel.
  • Performance Organic Disc: Provides quick shifts and progressive engagement for track days or daily commutes, resisting wear under high heat.
  • High Clamp Load Pressure Plate: Delivers consistent clamping force for dependable power transfer in 6-speed transmissions.
  • Quality Throwout Bearing: Ensures smooth operation and reduces noise during clutch disengagement.
  • Alignment Tool Included: Simplifies installation for precise centering and optimal performance from day one.

Product Notes

  • Flywheel resurfacing or replacement recommended for best results with stock or lightweight flywheels.
  • Follow 500-mile break-in procedure with no aggressive launches to extend clutch life.
  • Ships in protective packaging to prevent damage during transit.

Installation Notes

  • Professional installation recommended.
  • Transmission removal required. use proper flywheel locking tool for BMW M54/S54 engines.
  • Compatible with OEM or SPEC flywheels. pilot bearing included for complete refresh.

This Part Fits

Year Make Model Submodel
2003-2005 BMW 325Ci Base
2003-2005 BMW 325i Base
2003-2005 BMW 325xi Base
2003-2005 BMW 330Ci Base
2003-2005 BMW 330i Base
2003-2005 BMW 330xi Base
2004-2005 BMW 530i Base
2003-2005 BMW Z4 3.0i

Why Choose SPEC?

  • Proven track record in motorsports with clutches trusted by racers worldwide.
  • Dyno-tested components ensure real-world durability and performance gains.
  • Precision engineering matches BMW tolerances for seamless integration.

Frequently Asked Questions

  • Q: Does this fit my 2004 BMW 330i with 6-speed manual?
    A: Yes, SB071 Stage 1 kit fits all 2003-2005 BMW E46 325/330 models with 6-speed Getrag 420G transmission, including Ci, i, and xi variants.
  • Q: What materials are used in the clutch disc and pressure plate?
    A: Organic friction material disc for smooth engagement paired with heat-treated diaphragm pressure plate for strength and fade resistance.
  • Q: What is the warranty and installation support?
    A: Backed by SPEC's limited warranty. includes alignment tool and instructions. Professional install advised for warranty validity.

Shipping & Handling

  • Method: UPS Ground or FedEx
  • Availability: In stock - ships same or next business day
  • Packaging: Secure box measuring 14 x 14 x 6 inches
  • Weight: 28.6 lbs
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