This listing is for one (1) remanufactured 88mm stroker crankshaft.

Engineered from a diesel core, this crankshaft is fully machined for a direct-fit installation into BMW M40, M42, M43, and M44 engine blocks. It maintains complete compatibility with OEM M4x crankshaft hubs and pulleys.

Increasing the stroke to 88mm allows for an engine displacement of 2.0L to 2.1L, determined by your final piston diameter selection.

Technical Specification & Condition

• Stroke Length: 88.0 mm
• Journal Status: Standard (STD) size; non-oversized
• Surface Finish: Polished bearing journals
• Quality Assurance: Inspected for crack-free integrity and run-out within accept tolerance

Fitment Notes

• Bearings: Main and rod bearings are not included. Standard M4x replacement bearings must be sourced separately.
• Compatibility: Direct fit for M40, M42, M43, and M44 engine blocks.

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Notice to Customers Based Outside the European Union: Please be advised that orders shipped to non-EU destinations may be subject to import duties, taxes, and customs processing fees. As the Importer of Record, the recipient is responsible for all local customs liabilities.

Notice to US-Based Buyers: Please be advised that the purchase price on eBay excludes any applicable US Import Tariffs for goods originating from the EU. As the Importer of Record, the buyer is responsible for these charges. To ensure a smooth delivery, US customers are requested to contact us via eBay messaging prior to purchase to facilitate the pre-payment of these duties through the eBay platform.

Your order will be dispatched within 2-3 business days after receiving the payment
We ship from Lithuania, EU
You will receive a tracking number (look at your Purchase History on eBay)
Typical delivery estimates: Europe 1-2 weeks, North America ~2 weeks, Asia/Africa/Central and South America 3-6 weeks
Express shipping available for orders over 150 EUR (for an extra charge)