The automatic transmission control unit (often designated as TCU or TCM) is a crucial electronic component responsible for smooth and trouble-free gear shifting. Its failure, most often caused by overheating, short circuits, or water damage, results in jerking, an inability to shift gears, or the vehicle entering limp mode. Purchasing a new module at an authorized dealership is a massive expense, which is why replacing it with a fully functional, used original is the most reasonable solution.
ABS pump BMW TRW 3451689545401
Vendors's code:
Product code: A04C-5775D
Barcode:
Code 39:
ISBN:
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Price 30 euros applies shipments to 5 kg on worldwide. Above this weight, please contact us by email to check price
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When is ABS pump 3451689545401 the right choice for your BMW?
Used original ABS module with number 3451689545401 for BMW. Confirm compatibility with the number from your original pump.
BMW ABS pump 3451689545401: hydraulic module with control unit
ABS pump 3451689545401 for BMW is a used original module that regulates brake pressure when a wheel starts to lock up. It is matched by the numbers on its labels, not by the car model alone. The listing does not state the car model or year, so we do not give them here and match the part by its numbers.
Numbers to compare
The numbers as written on the labels and as a single string, the way catalogues list them:
- 3451 6895454 01 (catalogue format: 3451689545401), BMW number of the ABS pump (hydraulic part).
Check the numbers on your pump and compare them with those above. If any of them differs, contact us before ordering.
Symptoms of a faulty ABS pump or control unit
- the brake pedal pulses or feels uneven for no obvious reason,
- valve or pump motor faults are stored in the control unit memory,
- the pump motor switches on at unusual moments or runs louder than usual,
- the ABS warning light comes on together with the stability control warning light.
ABS faults should not be ignored, because without anti-lock protection the car brakes less well on wet or slippery roads. Diagnosis and fitting are best left to a garage with a suitable scanner.
Questions and answers
| Are the pump and the control unit sold separately? |
|---|
| In this listing they are a single module: a hydraulic block with the pump and valves, with the control unit attached to it. |
| Does a lit ABS warning light always mean a faulty pump? |
| No. Read the fault codes first, because the cause may be a wheel sensor, its wiring or too low a supply voltage. |
| Can I send a photo for a compatibility check? |
| Yes. Contact us and send a photo of the numbers on your original pump, and we will help you check whether this module will fit. |
| Is this a new part? |
| No. We sell used original modules, each one inspected before sale. You will find the warranty period in the product features table. |
Want to check before you buy? Send a photo of the block and sticker on your ABS pump and we will check that the numbers match.