Rein ABH0342 Engine Oil Separator

OE-Style Breather Valve for BMW V12 Engines

Rein ABH0342 is a standard replacement engine oil separator breather valve built for European vehicles that need an OE-quality direct fit. It is designed to match the original breather valve layout and function for BMW 750iL and BMW 850Ci applications with cylinders 7-12.

Compatible with 1995-2001 BMW 750iL and 1995-1997 BMW 850Ci, this Rein breather valve supports proper crankcase ventilation and helps maintain stable engine operation. The ABH0342 part number is a direct reference for buyers searching for an OE-style replacement for these BMW V12 cylinder block components.

Key Features

• Standard replacement engine oil separator breather valve
• OE-quality design for European vehicle applications
• Direct replacement layout for factory-style fit and function
• Built for BMW V12 engines, cylinders 7-12
• Cross-reference: Genuine 11157501564
• Part number: ABH0342

Detailed Description

Rein Automotive ABH0342 is an engine oil separator breather valve for BMW models that use the V12 cylinder bank configuration. It is engineered as a direct replacement for the original breather valve, with dimensions and operating characteristics aligned to OEM expectations. For shoppers searching for a BMW 750iL breather valve or BMW 850Ci engine oil separator, ABH0342 provides a focused OE-style solution for the specified cylinder bank.

This part is listed for 1995-2001 BMW 750iL and 1995-1997 BMW 850Ci, both for cylinders 7-12. The ABH0342 part number is also useful when cross-checking service records or ordering by OE-style reference.

Common Issues This Part May Address

• Crankcase ventilation faults related to a worn breather valve
• Oil vapor control problems in the cylinder bank ventilation system
• Rough idle or drivability concerns tied to breather valve wear
• Vacuum leaks caused by degraded crankcase ventilation components
• Oil residue buildup from a failing engine oil separator assembly

Installation Notes and Tips

Verify engine configuration before ordering, since this application is for cylinders 7-12 only. Compare the original part number and routing before installation, and inspect connected hoses and seals for wear while servicing the breather valve. Confirm the fitment against your BMW 750iL or BMW 850Ci by model year and cylinder bank to ensure the correct replacement.

Quality Assurance

Rein positions this part as an OE-quality replacement built to match the original manufacturer’s breather valve design for European vehicles. The ABH0342 reference and the Genuine 11157501564 cross-reference help confirm application matching during parts lookup.