Specifications
- Brand
- Mahle
- Part #
- 930024409-1

Mahle MS Piston BMW S52B 86.60mm Bore 89.6mm Stroke 135mm Rod 22mm Pin -11cc 11.3 CR - Single
$146.18
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Mahle MS Piston for BMW S52B with 86.60mm bore and 11.3:1 compression ratio.
Key Features
- Fits BMW S52 3.2L engines.
- Forged from 4032 aluminum for strength and thermal stability.
- Features an 86.60mm bore and a -11.0cc dish volume.
- Contributes to an 11.3:1 compression ratio.
- Designed with a 89.6mm stroke and a 135mm rod length.
- Includes a 22mm wrist pin.
⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more
Product Details
This Mahle piston is forged from 4032 aluminum, a material known for its strength and ability to handle higher temperatures, making it a solid choice for rebuilding or upgrading your BMW S52B engine. It features a 86.60mm bore and a -11.0cc dish volume, which contributes to an 11.3:1 compression ratio when paired with the correct components.
Designed with a 89.6mm stroke and a 135mm rod length, this piston is part of a balanced rotating assembly. The 22mm wrist pin diameter is standard for many performance applications, ensuring good compatibility with aftermarket connecting rods. At 324 grams, it's a well-balanced component for consistent engine operation.
Keep in mind that this piston is not CARB approved and cannot be shipped to California. Always refer to your engine build specifications and manufacturer's instructions for proper installation and compatibility.
Specifications
- Brand
- Mahle
- Manufacturer Part #
- 930024409-1
Frequently Asked Questions
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Mahle MS Piston BMW S52B 86.60mm Bore 89.6mm Stroke 135mm Rod 22mm Pin -11cc 11.3 CR - Single




