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.
Throttle Body BMW E46 E39 E60/E61 VDO 408238425001 13547502444
Vendors's code: 13547502444
Product code: 408238425001
Barcode:
Code 39:
ISBN:
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Does the VDO 408238425001 throttle body fit your car?
This is a used, working VDO throttle body with part numbers 408238425001 and 13547502444, for: BMW E46, E39, E60/E61, X3 E83, Z3 E36, Z4 E85 (engines: 2.5 L), 1999–2006. To confirm the fit, compare the number with the label on the throttle body in your car.
Throttle Body VDO 408238425001 13547502444 – BMW E46, E39, E60/E61, X3 E83
The VDO 408238425001 throttle body controls the air flow in the engine intake system. In electronic versions, the throttle plate position is controlled by the engine control unit. According to the product data, it fits: BMW E46, E39, E60/E61, X3 E83, Z3 E36, Z4 E85; engines: 2.5 L; production years: 1999–2006.
Part numbers to compare
- 408238425001 – also printed as 408.238/425/001
- 13547502444 – also printed as 13.54-7502444
The label on the throttle body fitted to your car should show the number 408238425001 or 13547502444. The model name alone (BMW E46, E39, E60/E61, X3 E83, Z3 E36, Z4 E85) is not enough – throttle bodies with other numbers were also fitted to these cars.
Common throttle body faults
When the throttle body in a BMW starts to fail, the most common signs are:
- carbon deposits – rough idle, engine stalling,
- worn throttle position sensor – jerking, fluctuating revs, fault code stored in the engine control unit,
- in electronic throttle bodies: failed motor or gear drive – limp mode, loss of power, engine warning light.
If cleaning does not help and diagnostics point to a throttle body or position sensor fault, replacement with a part carrying the same number is usually required. After fitting, many cars need an adaptation according to the vehicle manufacturer's procedure.
Questions and answers
| How do I check that the 408238425001 throttle body fits my car? |
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| Compare the number 408238425001 or 13547502444 with the label of the throttle body fitted to your car (BMW E46, E39, E60/E61, X3 E83, Z3 E36, Z4 E85). |
| Which engines does the 408238425001 throttle body fit? |
| According to the product data, it fits 2.5 L engines in: BMW E46, E39, E60/E61, X3 E83, Z3 E36, Z4 E85, 1999–2006. |
| Does the throttle body need to be adapted (relearned) after replacement? |
| In many cars, yes: after fitting, the engine control unit learns the end positions of the throttle. This is done with a diagnostic tool or by following the procedure described by the car manufacturer. |
| What condition is this throttle body in? |
| It is a used, working unit in good condition. The warranty is listed in the product specification table. |
Not sure if this throttle body fits your car? Send us the number from the label on your part and we will check compatibility before shipping.