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Mahle, Nüral, Kolbenschmidt 3rd oversize 75.44 or 75.45 mm complete with piston rings, piston pin and circlips, ready for installation

BMW 600 engine

Mahle, Nüral, Kolbenschmidt 3rd oversize 75.44 or 75.45 mm complete with piston rings, piston pin and circlips, ready for installation Zoom

Mahle, Nüral, Kolbenschmidt 3rd oversize 75.44 or 75.45 mm complete with piston rings, piston pin and circlips, ready for installation

€220.00

incl. 19% VAT plus shipping

The oversize piston B6-01-0723 in 75.44/75.45 mm is designed as a third repair size for heavily worn BMW 600 engine cylinders and is supplied complete with rings, bolts, and retaining rings. It enables even heavily worn engine blocks to be reconditioned with proper compression and smooth running, as required for a high-quality classic car restoration. It is particularly important here to check the cylinder wall thicknesses and to strictly adhere to the specified clearance.
Technical data
Category
BMW 600 engine
BMW part number
11250012612
Item number
B6-01-0723
Condition
Not specified – on request
Weight
0.2 kg
Availability on request

No instant purchase: after your request you will receive a personal quote including shipping costs.

Philipp Schäper
Philipp Schäper BMW Isetta specialist Question about this item?
In stock Almost all parts available directly from stock
Original parts Original parts from workshop inventory
Specialists The specialists for BMW Isetta, 600 & 700
Worldwide shipping By DHL, UPS or freight forwarder — safely packed
Application

A piston with a 3rd oversize allows, after repeated honing of heavily worn cylinders, the restoration of the correct fit between the piston and the cylinder bore to ensure compression, sealing, and smooth operation of the internal combustion engine.

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General information about this item

Product info
The oversize piston B6-01-0723 in 75.44/75.45 mm is designed as a third repair size for heavily worn BMW 600 engine cylinders and is supplied complete with rings, bolts, and retaining rings. It enables even heavily worn engine blocks to be reconditioned with proper compression and smooth running, as required for a high-quality classic car restoration. It is particularly important here to check the cylinder wall thicknesses and to strictly adhere to the specified clearance.

Database ID: 3042 Accessed on: 31.07.2026 16:59 Data state: 22.05.2026 12:33 In stock since: 18.11.2025