BMW E46 E60 E81 E87 E90 Cylinder Head Vacuum Pump N46 Petrol 7542498

BMW E87 E90 Petrol N46 Vacuum Pump is a factory vacuum pump designed for N46 petrol engines, used in popular BMW 1 Series E87 and 3 Series E90 models. The original design from the BMW group ensures proper vacuum generation for brake assist and control systems, which translates to stable, safe operation of the entire vehicle. This is a solution for users looking for a proven OEM part instead of replacements with uncertain parameters.

Specifications and technical data

• SKU: 7542498
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7542498
• Substitutable numbers: 11667635656, 7635656, 11667542498, 7542498, 11667534236, 7534236, 11667502656, 7502656
• Fuel type: Petrol
• Category: Vacuum Pumps

Technical characteristics of the BMW N46 vacuum pump

The presented pump belongs to the category of vacuum pumps and works with the N46 petrol engine. It has been designed to generate stable vacuum necessary for, among other things, the brake booster and selected engine control systems. Thanks to its compatibility with the petrol unit, it ensures proper operating parameters across the full range of loads, from city driving to longer journeys.

Original origin from the BMW range means adherence to factory manufacturing tolerances, proper fit with the engine head, and compatibility with the vacuum system without the need for modifications. The pump is adapted to operate in typical operating conditions for petrol units – taking into account temperature, oil pressure, and the rotational characteristics of the N46 engine.

Purpose and compatibility

The BMW E87 E90 Petrol N46 Vacuum Pump has been developed for use in:

• BMW 1 Series E87 with N46 petrol engine,
• BMW 3 Series E90 with N46 petrol engine.

Thanks to the use of the OEM part number and available interchangeable numbers (visible in the technical specification), precise verification of compatibility by VIN or factory markings is possible. This is particularly important when selecting vacuum system components, where design differences between engine versions can be significant.

Condition, origin, and advantages of choosing a used vacuum pump

The offered BMW vacuum pump comes from disassembly and has the status of a used original part. For many users, this is a reasonable compromise between purchase cost and maintaining factory quality. Compared to cheap aftermarket parts, an original used pump usually works better with the existing system, reducing the risk of leaks or vacuum performance issues.

The main benefits of using this pump include:

• maintaining the operating characteristics intended by the BMW manufacturer,
• reliable fit to the mountings and vacuum connections in the N46 engine,
• the possibility of economical repair of the brake assist and control system.

Installation and operational tips

When installing the vacuum pump in the N46 engine, it is recommended to:

• check the condition of vacuum hoses and connectors,
• replace seals at the contact point with the cylinder head, if the manufacturer specifies single-use seals,
• check the system for leaks after starting the engine, with particular attention to the brake assist operation.

A correctly selected and installed vacuum pump contributes to the stable operation of the braking system and proper engine response to load changes. Regular inspection of vacuum hoses and connectors allows for extending the period of trouble-free operation of the entire system.

Related BMW vacuum pumps and technical knowledge

If you are looking for other BMW vacuum pumps compatible with different models and engine units of this brand, check out our dedicated category: BMW vacuum pumps. You will find a wide selection of disassembled parts there, which will make it easier to choose the right pump for your specific engine configuration.

For users interested in the broader context of fuel systems and components cooperating with petrol engines, we recommend the guide article Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair, which discusses diagnostics, part selection by VIN/OEM, and principles of proper operation. For used parts, it is also worth familiarizing yourself with practical maintenance tips in the text How to Extend the Lifespan of Used Car Parts?, which will help you better care for the installed vacuum pump and other system components.