This ARP performance fastener, stud, bolt, tool, or assembly is the BMW S14 E30 M3 Rod Bolt Kit for 1988-1991 BMW M3. Confirm the exact engine or vehicle application, thread size, length, material, strength series, included quantity, installation lubricant, tightening sequence, and current ARP torque specification before ordering.
Key Features
- ARP2000 Alloy Steel: Rated at 200,000 psi tensile strength resists fatigue and stretching in boosted or naturally aspirated S14 builds.
- Forged ARP2000 8740 chrome moly steel heat-treated to minimum 200,000 psi tensile strength with rolled threads for superior fatigue resistance.
- Rolled Threads: Processed after heat treatment for 1000% greater fatigue strength than cut threads and accurate torque values.
- Re-torque after 500 miles or first heat cycle.
- Yes ARP 201-6104 bolts are direct replacements for OEM M10x1.5x70mm rod bolts on all US-spec S14B23 engines in E30 M3 models.
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 1988-1991 | BMW | M3 | Base |
Specifications
| Brand | ARP |
|---|---|
| Manufacturer Part Number | 201-6104 |
| Product Type | Rod Bolt Kits |
| Condition | New |
| Configuration | BMW S14 E30 M3 Rod Bolt Kit |
| ARP2000 Alloy Steel | Rated at 200,000 psi tensile strength resists fatigue and stretching in boosted or naturally aspirated S14 builds |
| Rolled Threads | Processed after heat treatment for 1000% greater fatigue strength than cut threads and accurate torque values |
| Precise Fit | Application-specific dimensions match BMW S14 connecting rods for drop-in replacement without machining |
| Complete Set of 8 Bolts | All hardware included covers full inline-4 engine reassembly with matched components |
| Track-Proven Design | Handles street driving track days and drag racing with consistent performance |
| Torque to ARP specs | 59 ft-lbs initial plus 90 degree angle turn using ARP lube |
| Q | Does this kit fit all 1988-1991 BMW E30 M3 S14 engines? A: Yes ARP 201-6104 bolts are direct replacements for OEM M10x1.5x70mm rod bolts on all US-spec S14B23 engines in E30 M3 models. |
| Method | UPS Ground |
| Availability | In stock - ships same or next business day |
| Packaging | Compact box 6 x 4 x 1 inches |
| Weight | 0.31 lbs |
What's Included
One new ARP rod bolt kit in the exact configuration and quantity identified by this listing. Brackets, wiring, air lines, fittings, switches, fasteners, fitting kits, fluids, covers, and accessories are included only when expressly stated for this exact part.
About ARP
Automotive Racing Products manufactures high-performance studs, bolts, nuts, washers, wheel hardware, assembly tools, and installation lubricants for engine, drivetrain, chassis, and racing applications. Thread dimensions, material, preload method, lubricant, torque, and included quantity remain exact-part specific.
Important Disclosures
- California Proposition 65 warning applies. Review the current manufacturer warning before handling or installation.
Related Parts
- Shop all ARP products
- ARP BMW 2.8L (M52Euro) 3.0/3.2L (S50/S52US) 12pc Rod Bolt Kit
- ARP BMW E36-E46 Rod Bolt Kit (M10-1.25, 1.772in UHL)
- ARP BMW E46 M3/S54 Rod Bolt Kit (M11-1.25, 1.850in UHL)
Frequently Asked Questions
How do I confirm the BMW S14 E30 M3 Rod Bolt Kit fits my application?
Match the exact engine family or vehicle, component location, thread diameter and pitch, under-head length, material, strength series, and every current ARP application note.
Can I reuse the factory torque value with this ARP hardware?
Not automatically. Use ARP's current instructions for the exact part, material, lubricant, tightening sequence, and preload method. Factory torque values may be based on different hardware and friction.
What is included with this ARP kit?
Only the studs, bolts, nuts, washers, lubricant, and tools expressly listed for this exact part number are included. Verify the required quantity before disassembly.
Installation Instructions
- Confirm ARP part number 201-6104, the complete application, and every required supporting component before beginning work.
- Clean and inspect all mating threads and components, then verify thread engagement, length, washers, nuts, lubricant, and required preparation before assembly.
- Follow ARP's current tightening sequence, lubricant instructions, torque or stretch method, and any retorque procedure for this exact part.
- Verify clearance, preload, fastener seating, and normal component operation before returning the vehicle or engine to service.
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