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 3451688921601 3452688921501
Vendors's code: 6889215
Product code: 6889216
Barcode:
Code 39:
ISBN:
€203.25
Price
€203.25
€250.00
Price
€250.00
Ask about the product
ABS pump BMW TRW 3451688921601 3452688921501
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(Poland)
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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Will ABS pump 3451688921601 fit your BMW?
Used ABS pump with control unit, number 3451688921601, inspected before sale. Matched by the numbers on the block and sticker.
How to identify ABS pump 3451688921601 for your BMW
The hydraulic block and control unit of this ABS pump form a single module that works with the wheel speed sensors in BMW cars. You will find number 3451688921601 on the label, and the full set of numbers is given in the description below. 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 and markings on the ABS pump
The numbers as written on the labels and as a single string, the way catalogues list them:
- 3451 6889216 01 (catalogue format: 3451688921601), BMW number of the ABS pump (hydraulic part),
- 3452 6889215 01 (catalogue format: 3452688921501), BMW control unit number.
Check the numbers on your pump and compare them with those above. If any of them differs, contact us before ordering.
What can point to an ABS pump failure
- 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 activates for no reason during normal braking.
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
| Where do I find number 3451688921601 on my pump? |
|---|
| The numbers are stamped or printed on the aluminium hydraulic block, and the control unit has a separate sticker. Take a close-up photo of both places in good light. |
| Do the brakes need bleeding after replacing the module? |
| If the brake lines are disconnected during fitting, the system must be bled. The fault codes in the control unit usually need to be cleared as well. |
| Who makes this module? |
| The module is made by TRW. The manufacturer's name does not change the numbers you should use to match the part. |
| What condition is this pump in? |
| It is a used original part, inspected before sale. You will find the warranty period in the product features table. |
Not sure about the match? Send us a photo of the numbers on your ABS pump and we will check whether this module will fit.
