Bosch 0445110598 Diesel Injector
1.5L Diesel · 0445110598
Remanufactured Bosch 0445110598 diesel injector for BMW B37 1.5-litre 3-cylinder diesel applications. Direct replacement for BMW 1 Series (F40), BMW 2 Series Active Tourer (F45) and Mini (F-series) with the B37D15A engine. Cross-references 0445110562, 0986435229, 13538511630, 13538511631. Not interchangeable with B47 2.0-litre or older N47 BMW diesel injectors. OEM-tested and calibrated with full flow and leak-back verification on CR318 PRO test bench. Includes 12-month unlimited-mileage warranty. Supplied as an exchange unit — return your old injector within 30 days.
1
Engine codes
6
OE / cross-refs
3
Vehicle fitments
12mo
Warranty
Common failure symptoms
On the 1.5L Diesel platform, a failing Bosch 0445110598 injector typically presents as: hard starting or extended cranking; rough or uneven idle; loss of power under load; excess smoke from the exhaust; cylinder misfire or contribution fault codes.
When two or more of these appear together, suspect the injector before peripheral systems — a comparative leak-off test and live-data cylinder-balance review will isolate the failed unit without tear-down.
When two or more symptoms appear together, suspect the injector before peripherals (EGR, glow plugs, turbo). A live-data leak-off test on each cylinder is the fastest route to the failed unit.
What Causes These Injectors To Fail
The documented failure modes on this platform are: injector back-leak beyond specification; nozzle wear degrading the spray pattern; combustion gas leaks past the injector seat washer.
Internal wear cannot be repaired in situ — once delivery drifts outside calibration, remanufacture or replacement is the reliable fix.
How Workshops Diagnose 0445110598 Faults
Run a comparative leak-off (back-leak) test across all injectors before condemning a single unit. Compare requested vs actual rail pressure in live data at idle and under load. Inspect injector connectors and wiring before replacing hardware.
Never condemn a common-rail injector on a fault code alone — codes identify the circuit or cylinder, while leak-off volumes and correction values identify the component.
How Every Unit Is Tested Before Despatch
Each remanufactured 0445110598 is fully stripped, ultrasonically cleaned and inspected; worn components are replaced with OE-grade parts. The rebuilt unit is then calibrated on a common-rail test bench against the manufacturer's specification sheet — delivery, back-leak and response are all verified before the injector is sealed and despatched with its calibration data on file.
Every unit carries a 12-month parts warranty and free UK delivery.
Vehicle Coverage At A Glance
The 0445110598 trusted family covers 3 verified vehicle fitments across 2 makes: BMW and Mini. Every fitment listed on this page is registry-verified — no scraped or assumed applications.
OE & Cross-References
0445110598 supersedes or cross-references 5 further OE numbers, including 0445110562, 0986435229, 13538511630, 13538511631 and 851163103. Always match the reference etched on your failed unit's body — cross-references within a family are verified equivalents, but etched numbers remain the source of truth.
Related fault codes & engine guides
Engine guides
Trusted compatibility
Engine codes
OE / cross-references (5)
Vehicle fitments
| Make | Model | Engine | Years |
|---|---|---|---|
| BMW | 1 Series (F40) | 116d 1.5d 116hp (B37D15A) | 2019–2024 |
| BMW | 2 Series Active Tourer (F45) | 216d 1.5d 116hp (B37D15A) | 2018–2023 |
| Mini | Cooper D (F-series) | Cooper D 1.5d 116hp (B37D15A) | 2018–2023 |
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Frequently asked
Related engine guides
Other Bosch and same-platform injector families worth checking.
All cross-references in this family
Every reference below resolves to a PDP linked to this trusted family. 0445110598, 0445110562, 0986435229, 13538511630, 13538511631, 851163103.
Bosch know-how from the Knowledge Centre
Identification, coding, fitting and the mistakes that cause comebacks.