Turbocharger BMW X5 (F15 / F85) 40d 313 hp

This category covers reconditioned turbochargers specifically designed for BMW 40d engines with 313 horsepower, spanning model years where turbo performance is critical. Whether you're a mechanic diagnosing a faulty actuator or a car owner replacing a worn-out unit, these turbos restore power delivery without the cost of new OEM parts. The range includes cartridges, CHRA assemblies, and complete turbo units, all tested for consistent performance.

The turbos in this range are sourced from European remanufacturers who specialize in exchange-standard units, ensuring each component meets strict quality controls. As a wholesale supplier, we aggregate these parts to provide garages with direct access to high-demand references, reducing lead times and inventory costs. The focus remains on compatibility and reliability, not just price.

Professional uses by trade

Different users approach turbo replacement with distinct needs: garages prioritize bulk availability and quick fitment, while DIY owners seek clear compatibility guides. German buyers often require precise OEM references for warranty compliance. This section breaks down how each group leverages these turbos effectively.

• Le garagiste independant : Uses turbos like SL Turbo 5440 998 0026 for rapid turnaround in diesel repair bays, where downtime costs money.
• Le garagiste independant : Relies on BorgWarner KKK 5326 998 0015 for its reputation in variable-geometry turbos, a common failure point in BMW 40d engines.
• L'automobiliste depanne : Prefers pre-verified turbos to avoid mismatched parts, especially when symptoms like blue smoke or lag appear.
• L'automobiliste depanne : Chooses exchange-standard units to reduce repair costs while maintaining original performance levels.
• Le passionne qui fait lui-meme : Selects turbos with clear OEM references to ensure a direct fit during DIY installations.
• Le passionne qui fait lui-meme : Orders turbos with core deposit options to simplify returns of old units without extra hassle.
• Der deutsche Kaeufer (DACH) : Seeks turbos compatible with German market-specific BMW models, often requiring precise VIN-based matching.

Range comparison

Below are the two primary turbocharger references for BMW 40d 313 hp engines, each available in exchange-standard condition. These units are tested for variable-geometry functionality and cartouche integrity, ensuring they meet the demands of professional and private use alike.

How to choose

Selecting the right turbocharger involves more than matching the OEM reference. Garages must consider packaging, core deposit policies, and compatibility with existing systems. This section outlines the key factors to evaluate before purchasing.

1. Verify the turbo’s OEM reference against the vehicle’s engine code to avoid mismatched fitment, especially for BMW 40d 313 hp models.
2. Check for core deposit options to simplify returns of old turbos, reducing logistical overhead for workshops.
3. Prioritize turbos with variable-geometry cartridges if the original unit shows signs of actuator wear or sticking vanes.
4. Ensure the turbo’s packaging includes protective seals to prevent contamination during storage or transit.
5. Confirm the remanufacturer’s quality controls, such as pressure testing and blade balancing, for consistent performance.
6. For DIY users, select turbos with clear compatibility notes to streamline installation without professional assistance.
7. German buyers should cross-reference the turbo’s part number with local BMW dealer databases for warranty alignment.

Storage & logistics

Bulk turbos like SL Turbo 5440 998 0026 and BorgWarner KKK 5326 998 0015 require controlled storage to maintain their condition. Keep units in their original packaging until installation, away from moisture and direct sunlight. For garages, organize turbos by OEM reference and engine compatibility to speed up retrieval. Core deposits should be stored separately in labeled bins to prevent mix-ups during returns. Regular inventory checks ensure no expired units remain in stock, preserving the consistent quality of exchange-standard turbos.

With over 15 years in the exchange-standard turbo market, our team knows these BMW 40d units inside out. We don’t just sell turbos—we provide the peace of mind that comes from sourcing from remanufacturers who treat each component like a new part.— autoKUR team

Related categories

Browse our other ranges:

• M 4.4 Biturbo 575 hp
• m50d 381 hp
• 35i 326 hp
• 35i 306 hp
• 30d 258 hp
• 30dx 258 hp

Useful references

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