A faulty transmission control module (TCM) most often causes limp mode with the gearbox stuck in one gear, harsh jolts when you select D or R, erratic gear changes, flashing PRND letters and a gearbox or engine warning light. However, the same symptoms are often caused by a low gearbox oil level, a weak battery, a poor earth or a faulty sensor. To test a transmission control module, start by checking the battery and reading the fault codes with a diagnostic tool that can talk to the gearbox control unit, then check the power supply, the connector, the oil and the live data. Below we explain the symptoms, the diagnostic steps and what the most common fault codes mean.
ABS pump BMW ATE 3451785036702 7845674
Vendors's code: 7850367
Product code: 7845674
Barcode:
Code 39:
ISBN:
£185.37
Price
£185.37
£228.01
Price
£228.01
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ABS pump BMW ATE 3451785036702 7845674
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Where to find number 3451785036702 on BMW ABS pumps
Used ABS pump with control unit, number 3451785036702, inspected before sale. Matched by the numbers on the block and sticker.
Is ABS pump 3451785036702 the right part for your BMW?
ABS module 3451785036702 is used and has been inspected before sale. It is intended for BMW cars, but whether it fits is decided by comparing the numbers with the original part in your car. The listing does not state the car model or year, so we do not give them here and match the part by its numbers.
Part number 3451785036702 and related numbers
You will find the numbers on the labels, while catalogues list them as a single string:
- 3451 7850367 02 (catalogue format: 3451785036702), BMW number of the ABS pump (hydraulic part),
- 7845674, BMW number in short form, without the group prefix.
Compare the numbers with the original pump in your car, and if any of them differs, write to us before buying.
What ABS problems can point to
- the ABS warning light comes on after the engine is started and stays on,
- the brake pedal pulses or feels uneven for no obvious reason,
- the pump motor switches on at unusual moments or runs louder than usual,
- the ABS activates for no reason during normal braking.
It is worth reading the fault codes and checking the sensor wiring before replacement. Fitting and bleeding the brake system are usually carried out by a garage with the right equipment.
Questions and answers
| Where do I find number 3451785036702 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. |
| 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. |
| 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. |
| What condition is this ABS module in? |
| It is an original recycled part in good condition, checked by us. Warranty details are 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.
