SmartTOP Comfort Roof Control for BMW 8 Series and Z4

Item Description

Enjoy the sunny side of life more efficiently with the unique SmartTOP module and upgrade your ride to become even more intelligent. Open and close your convertible top from a distance or operate the top while moving, all at the touch of a button.

 

One-Touch power convertible top
"One-Touch" convertible top operation allows your top to open or close automatically.

Invert switch logic
Direction of center console top switch can be changed to "pull to open" and "push to close".

Valet Mode
Lock the top in the closed position with a quick key sequence when needed.

Top convenience mode
Turning the ignition on or off does not interrupt convertible top operation.

Top Remote Control
Full automatic one-touch top operation from the original key fob.

Full RF Range
Top and window operation possible from the full distance (uncapped RF range of the factory key fob).

Keyless top control*
One-touch top operation via keyless door handle.
*Keyless entry option required.

Separate window control
Raise and lower the windows separately by remote without activating the top.

Window positions programmable
Raise or lower windows after opening top.

Close trunk from remote (8 Series)
Open and close the motorized trunk from the remote.

Individually programmable
Configure all functions of the module to meet your personal preferences via our signature blinker setup menu.

Passive / Invisible mode
Turn the whole module off with an easy key sequence. Ideal when letting someone else drive your car.

Reversible plug-in installation
Remove any time allowing sale or return of a leased vehicle in its original condition.

Plug-n-Play Wiring harness
Custom designed plug-in-between wiring harness for extremely simple and quick installation included.

USB Port for easy setup / updates
This module can be configured and updated using any Mac or PC.

Fits:

BMW Z4 Roadster (G29) Model Year 2018+
BMW 8 Series Convertible (G14) MY 2019+
BMW 4 Series Convertible (G23) MY 2021+
BMW M4 Convertible (G83) MY 2021+

About Us

We are Design911, the UKs specialist supplier of Porsche parts and accessories, based in Brentwood, Essex. With decades of experience supplying OEM and aftermarket parts for classic and modern Porsche models, we pride ourselves on our broad inventory, technical expertise, and commitment to customer satisfaction.
Whether youre restoring a classic 356 or upgrading a modern 991, our knowledgeable team is here to help you find the right part quickly and reliably

If you have any questions, wish to confirm fitment, or need help finding something, just get in touch.

Payment

We accept all major payment methods: credit & debit cards (Visa, Mastercard, Switch, Solo, Maestro, AmEx, etc.) as well as bank transfer.

For card payments, we use secure, encrypted online payment processing to protect your financial data.

If you choose bank transfer, youll be supplied with the relevant bank details on your invoice.

As soon as payment is cleared, we aim to dispatch your order promptly.

Shipping

At Design911 we process orders efficiently to get your parts to you as fast as possible  many orders are dispatched from stock within 24 hours. We offer delivery across the UK and international shipping to many countries worldwide.Once your order ships, well update you with tracking information so you can follow its progress.
If you have special shipping requirements for example urgent dispatch or overseas delivery just contact our sales team and well do our best to accommodate.

Terms

At Design911, we aim to provide a transparent and reliable purchasing experience for every customer. By placing an order with us, you agree to the terms and conditions outlined in each listing and in our general trading policies. We encourage customers to read item descriptions carefully and check compatibility before buying, especially for model-specific Porsche parts.

All products are supplied in accordance with the manufacturers specifications, warranty policies, and installation guidelines. Design911 cannot be held responsible for labour costs, workshop fees, or any consequential losses arising from the fitting, removal, or use of parts.

Some items may be special-order, custom-made, or VIN-specific. These items are non-returnable and non-refundable unless faulty. Availability and delivery times for special-order items may vary depending on the manufacturer.

If you have any questions about a parts fitment or suitability, please contact us before placing your order our team is always happy to help.

Returns

If you need to return an item, were here to help make the process straightforward.

Unwanted / Change-of-Mind Returns

  • Notify us within 14 days of receiving the item to request a return.

  • Once approved, items must be returned to us within 30 days.

  • All returns require a Return Authorisation (RA) number before sending anything back.

  • Items must be returned unused, in original packaging, and in saleable condition.

  • Return shipping costs are the responsibility of the customer unless otherwise agreed.

Faulty / Damaged / Incorrect Items

If your item arrives damaged, faulty, or not as described:

  • Contact us within 48 hours with photos and details.

  • We will arrange a replacement, refund, or warranty assessment depending on the issue.

  • Warranty claims follow the manufacturers terms, and some inspections may take additional time.

Returns from Outside the UK

  • Clearly mark the parcel as RETURNED GOODS.

  • Any customs charges resulting from incorrect declarations may be deducted from your refund.

For all return enquiries, contact our team and we will provide guidance and your RA number.

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