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Upgrade your rotating assembly with genuine Kolbenschmidt connecting rod bearings, a trusted OE-quality manufacturer used widely across BMW's N-series engine lineup. Built for reliable clearance and durability under daily driving and spirited use alike.
Fits: BMW N52B25, N52B30, N53B25, N53B30, N54B30, N55B30
- Standard — stock, unworn rod journals
- 0.25mm Undersize — first regrind step
- 0.50mm Undersize — second regrind step
⚠️ Before ordering an undersize set, confirm your connecting rods have been machined to the matching undersize spec — check clearances with Plastigauge before final assembly.
Kolbenschmidt
Kolbenschmidt Rod Bearing Set - BMW N52/N53/N54/N55
- Regular price
- $209.99
Confirm the application before installation. European engine components can vary by engine code, production date, chassis and component size.
- Verify the engine code and vehicle application.
- Match the manufacturer part number / SKU shown for the selected item.
- Confirm STD, undersize, oversize or other required dimensions where applicable.
Upgrade your rotating assembly with genuine Kolbenschmidt connecting rod bearings, a trusted OE-quality manufacturer used widely across BMW's N-series engine lineup. Built for reliable clearance and durability under daily driving and spirited use alike.
Fits: BMW N52B25, N52B30, N53B25, N53B30, N54B30, N55B30
- Standard — stock, unworn rod journals
- 0.25mm Undersize — first regrind step
- 0.50mm Undersize — second regrind step
⚠️ Before ordering an undersize set, confirm your connecting rods have been machined to the matching undersize spec — check clearances with Plastigauge before final assembly.
