High-pressure pump BMW 318d (E90 / E90N / E91 / E91N) 318d 122 hp

The BMW 318d 122 HP diesel engine, particularly the N47 series produced between 2007 and 2015, relies on a high-pressure pump to deliver diesel fuel at pressures up to 2,000 bar to the common rail system, making it a critical component for performance and emissions compliance. This category serves independent garages, DIY enthusiasts, stranded motorists, and German-speaking buyers in the DACH region who need a direct replacement without the delays of dealerships or the uncertainty of used parts. Here, you will find exchange standard high-pressure pumps designed to restore your engine’s fuel delivery system to factory condition, with no hidden services or unnecessary interventions.

Our high-pressure pump range for the 318d 122 HP is curated from leading manufacturers known for their durability and precision engineering, sourced through a network of trusted wholesale partners who specialize in diesel injection components. Each pump undergoes a rigorous remanufacturing process that includes cleaning, inspection of the camshaft, plungers, and pressure regulator, and replacement of wear-prone seals to ensure consistent performance. The selection is built around OEM part numbers and verified equivalents, providing a one-stop solution for workshops and private buyers who prioritize reliability over generic alternatives.

Professional uses by trade

Whether you are a professional mechanic diagnosing a misfire, a DIY enthusiast tackling a weekend repair, or a German buyer seeking a cost-effective solution, understanding how the high-pressure pump integrates with your engine’s fuel system is essential for a successful replacement. The following usages address the specific needs of each group, ensuring the right approach for your situation.

• Independent garage : Replace the high-pressure pump during scheduled maintenance to prevent unexpected breakdowns, using a remanufactured Bosch unit that matches the OEM flow rate and pressure settings for seamless integration.
• Stranded motorist : If your BMW 318d stalls or fails to start due to a failing pump, order an exchange standard unit to get back on the road quickly, with the option to return your old pump for a deposit refund.
• DIY enthusiast : Swap out the high-pressure pump yourself by following a step-by-step guide, ensuring you select the correct Bosch reference for your engine’s production year and power output.
• German buyer (DACH) : Purchase a high-pressure pump that complies with EU emissions standards, with clear documentation in German to simplify customs and registration processes in Austria, Switzerland, or Germany.
• Workshop manager : Stock exchange standard pumps in bulk to reduce lead times for customers, leveraging wholesale pricing while maintaining a rotation of tested units to avoid delays.
• Passionate driver : Upgrade your high-pressure pump to a remanufactured Bosch model to restore lost power and fuel efficiency, especially if your engine exhibits symptoms like hesitation or excessive smoke.
• Professional mechanic : Use the pump’s OEM reference to cross-check compatibility with the vehicle’s VIN, ensuring the replacement part aligns with the engine’s serial number and production date.

Range comparison

Below, you will find the high-pressure pump references specifically engineered for the BMW 318d 122 HP diesel engine, listed with their OEM part numbers and verified equivalents to simplify your selection process.

How to choose

Selecting the right high-pressure pump for your BMW 318d 122 HP involves more than matching the part number; it requires evaluating the pump’s condition, compatibility with your engine’s wear profile, and the supplier’s ability to provide a tested unit.

1. Condition : Opt for a remanufactured pump with a freshly machined camshaft and replaced seals to ensure longevity and prevent premature failure.
2. Compatibility : Verify the pump’s reference against your engine’s production year and power output, as slight variations exist between early and late N47 models.
3. Brand reliability : Choose a Bosch pump for its consistent quality and widespread availability, reducing the risk of counterfeit or substandard parts.
4. Packaging : Ensure the pump arrives in protective, anti-corrosion packaging to prevent damage during transit, especially for international orders.
5. Testing : Prioritize suppliers who perform pressure tests and leak checks on each unit before dispatching it to your workshop.
6. Rotation policy : Select a supplier with a fast turnover of stock to minimize the risk of receiving a unit that has been sitting in storage for years.
7. Documentation : Request a clear invoice and part number confirmation to streamline warranty claims and avoid mismatches during installation.

Storage & logistics

For workshops and bulk buyers, storing high-pressure pumps requires a climate-controlled environment to prevent moisture damage and corrosion, particularly in regions with high humidity or temperature fluctuations. Each unit should be kept in its original packaging or a sealed, anti-static bag to protect the camshaft and plungers from contamination. Regular inventory rotation is essential to ensure older stock is used first, reducing the risk of degradation over time. When handling pumps, avoid dropping or jarring them, as even minor impacts can misalign internal components. For long-term storage, label each unit with its reference and production date to maintain traceability, and conduct periodic visual inspections for signs of rust or seal degradation. Suppliers should also provide clear handling instructions to prevent accidental activation of the pressure regulator during transit or storage.

With over a decade of experience in diesel injection components, our team has seen how a failing high-pressure pump can cripple a 318d’s performance, turning a reliable daily driver into a source of frustration. We don’t just sell pumps; we provide the expertise to match the right unit to your engine’s history, ensuring your repair is as durable as the original equipment.— autoKUR team

Related categories

Browse our other ranges:

• 318d 143 hp
• 318d 136 hp
• Fuel injector
• Gasket kit
• Core deposit
• Search by part reference

Useful references

For regulatory and sector references, see Reglement (UE) 461/2010 — pieces de rechange et garantie constructeur.