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Reconditioned & Used BMW 3 Series Automatic Transfer Box in Stock Now

BM Engine Works offers very cost effective solutions to get out of BMW 3 Series transfer box problems. We offer highest quality reconditioned and used automatic transfer boxes for your BMW 3 Series. Each and every automatic transfer box we source is tested for its performance and quality up to the manufacturer guidelines and OEM standards. We offer supply and fitting services as well, if you need your purchased part to be delivered at your place anywhere in the UK.
If drivers experience a whining or grinding noise, there is something unusual about to happen that can turn to a very hefty crash. It's also possible that the driver may feel shaking and set off the ABS brakes & lights. It means that your BMW 3 Series needs an urgent diagnosis for this issue or it might lead to a hefty damage.

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On Point Service, 10 Out of 10
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Daily Updates and Fixed Price
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Reliable Service, Quick Service, Quick Turnaround
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Brilliant. No Crazy Surprises
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It's all fixed, thank you
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Thankful for all the work that BM Engine Work has done

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Project Name

BMW 335d xDrive M Sport – N57D30B Engine Replacement

BMW 335d xDrive M Sport – N57D30B Engine Replacement Vehicle In 05-Jan-2026 Vehicle Out 09-Jan-2026

Initial Diagnosis

This BMW 335d xDrive M Sport arrived with serious engine concerns and was upgraded with a replacement N57D30B engine, restoring performance, power, and reliability.

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Project Name

2013 BMW 320i M Sport Auto Convertible – Engine Replacement

2013 BMW 320i M Sport Auto Convertible – Engine Replacement Vehicle In 09-Dec-2025 Vehicle Out 13-Dec-2025

Initial Diagnosis

This BMW 320i M Sport Convertible came in for engine replacement. A low-mileage engine was supplied and fitted, restoring smooth performance and everyday reliability.

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Project Name

BMW 335i 2009 DCT with N55 Precision Engine Rebuild

BMW 335i 2009 DCT with N55 Precision Engine Rebuild Vehicle In 04-Aug-2025 Vehicle Out 08-Aug-2025

Initial Diagnosis

Customers engine has suffered from damage to Con rod bearings and crankshaft damage due to low oil pressure.

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