BMW M3 4.0i

Name: Mahle Motorsport Forged Piston Set for BMW M3 4.0 S65B40A - 92mm Bore
Brand: Mahle Motorsport
SKU: 197843322
Price: 1388.84 GBP
Availability: InStock

Mahle Motorsport Forged Pistons

Fits Model: M3

Body Type: E90, E92, E93

Engine Code: S65B40A

Bore Size: 92.00mm

Compression Height (CH): 27.3mm

Stroke: 75.2mm

Connecting Rod Length: 140.7mm

Wrist Pin Diameter: 21mm

Crown Volume: +2.1 cc

Piston Weight: 366 g

Compression Ratio (CR): 10.1:1

Material: 4032 Forged Alloy

High-quality 4032 forged pistons designed for performance and reliability in street or track use.

The 4032 alloy provides excellent strength, reduced expansion, and quieter operation compared to 2618 pistons, making it ideal for balanced performance, durability, and longevity in high-performance engine builds.

Please see the tabs above for more information.

Free next-day delivery - UK Mainland only

Fast Worldwide Shipping

If you require any assistance or would like to ask any questions, please contact us

Engine Information
Engine Codes	S65B40A
Engine Size	3999cc
Engine Type	8 Cylinder Petrol 32V

Domestic UK

We offer Free UK delivery, which is approximately 2 working days. We use FedEx & DPD.

FedEx - UK Free -or- £7.50 plus VAT for the next working day before 12 Noon
DPD - UK Free -or- £7.50 plus VAT for the next working day before 12 Noon
Collection - Collect in person free of charge

International

We use FedEx and DPD for international deliveries. Please enter your address at checkout, and the system will calculate the cost based on the size and weight of your order.