BMW F10 seat adjustment not working? Switch 9299229/9299230

“Seat no longer moves forward,” “backrest only moves sometimes” – we regularly receive fault descriptions like these. With a power seat adjustment, it is natural to suspect a faulty seat motor or an expensive control unit. In practice, it is worth looking first at the component that is actuated every time you adjust the seat: the switch. This guide shows you how to recognize a worn seat adjustment switch, how to narrow down the fault with simple means, and which genuine part you need for the left and the right side.

Genuine BMW seat adjustment switch, left (part number 9299229): new old stock, never installed.

Symptoms

Symptom	Likely cause
A single adjustment direction fails, the others work	Typical sign of wear in the switch
Seat only responds after pressing several times or firmly	Contact wear or dirt in the switch
Button wobbles, no longer clicks into place or sticks	Mechanical damage to the switch
Seat keeps moving on its own or does not stop cleanly	Switch sticks in one position – check immediately
Entire seat adjustment dead, no motor noise in any direction	More likely the power supply, fuse or actuation than the switch – how to cleanly separate the switch from the supply is shown in our guide to seat adjustment in the W210/W208
Motor audibly hums, but the seat does not move	Argues against the switch – more likely the mechanism or drive in the seat

None of these symptoms alone proves a switch defect. The combination is what matters: if only individual functions fail or work unreliably, the switch moves into focus.

Causes

The seat adjustment switch is purely a control element – it passes on the adjustment request but does not move the seat itself. Like any heavily used control, it is subject to wear: in vehicles driven by several people, the seat is adjusted often, and the switch contacts work accordingly. Add to that the installation position on the seat: dust, crumbs and the occasional spilled drink reach the switch more easily than components behind a trim panel. The result is usually sporadic dropouts of individual directions at first, before a function fails completely. Once the switch has been narrowed down as the cause, it is replaced as a complete component – repairing the contacts does not make sense for this part.

Testing it yourself

1. Note the fault pattern precisely – Which direction fails: forward/back, height, tilt, backrest? Only one side or both seats? Costs nothing and already narrows down the fault considerably.
2. Assess the feel – Operate each direction several times. A spongy pressure point, a missing click or a stuck button point to the switch.
3. Listen for motor noise – If you hear a hum when operating it but nothing moves, the problem is more likely in the seat itself. If it is completely silent, the switch and the supply come into question.
4. Compare sides – If the same direction works fine on the other seat, that argues against a higher-level supply problem. If in doubt, have the fault memory read out.
5. Read off the part number – Before ordering, compare the number on the removed switch with 9299229 (left) or 9299230 (right).

Solution

Once the switch has been narrowed down as the source of the fault, replacing it with the genuine part is the lasting solution. We supply both versions as genuine BMW new old stock from old inventory – never installed:

• Left: BMW 9299229 / 61319299229 – 69,00 € or 74,00 € depending on the listing
• Right: BMW 9299230 / 61319299230 – 69,00 € or 74,00 € depending on the listing

Left and right are not interchangeable – the part number of your old switch is what counts. With the genuine part, the connector, pin assignment and look at the seat all match. You will find more genuine parts outside our Mercedes focus in the category Other makes; how we systematically narrow down BMW electrical faults is also shown in our guide to the BMW parking brake switch.

Compatible vehicles

Model	Model series	Note
BMW 5 Series Gran Turismo / Sedan / Touring	F07, F10, F11	per product data
BMW 5 Series long-wheelbase version	F18	named in the product title – please have the fit confirmed by VIN
BMW X5	F15	per product data
BMW X6	F16	per product data

Depending on the seat equipment, different switches may be fitted. If in doubt, send us your VIN via the contact form – we'll check the fitment free of charge.

FAQ

How can I tell that the seat adjustment switch is defective and not the seat motor?

If only individual directions fail or only respond after pressing several times, that points to the switch. If, on the other hand, the motor audibly hums without the seat moving, the problem is more likely in the seat's mechanism or drive.

Which switch fits on the left and which on the right?

For the left side it is BMW 9299229 (61319299229), for the right BMW 9299230 (61319299230). The two sides are not interchangeable; the number on your old switch is what counts.

Which vehicles does the switch fit?

According to the product data, the BMW 5 Series F07, F10 and F11 as well as the X5 F15 and X6 F16; the product title additionally mentions F18. If in doubt, we check the fit free of charge using your VIN.

Are the switches new or used?

Both versions are genuine BMW new old stock from old inventory, never installed.

Why are there two prices for the same switch?

We carry two listings of the same genuine part per side, with different stock batches. Depending on the listing, the price is 69,00 € or 74,00 €; part number and condition are identical.

KFZTeile-Thot is a specialist business for tested and refurbished Mercedes parts with its own test benches and over 1,000 positive eBay reviews. Alongside our Mercedes focus, we carry tested classic and genuine parts from other makes – like these new BMW seat adjustment switches from old inventory. Have questions? Call us: +49 179 8991069 (Mon–Fri 8 am–6 pm) – or use our contact form.