Dry Carbon Fibre Rear Bumper Bar Replacement Diffuser for BMW G82 G83 M4 & G80 M3

On-car pictures are for demonstration purposes only and may not present the actual item, please get in touch with us if more information is required.

All body parts sold by Mars Performance are sold as unpainted unless otherwise specified.

All body parts sold by Mars Performance do not come with instructions, templates or hardware unless specified.

All body parts sold by Mars Performance are not intended for DIY and may come with surface defects which will require professional test-fitting, sanding/filling & priming/base coating before painting; we do not accept any return/refund for results due to inadequate prep work and under no circumstance after painting; some parts may come with inserts, trims or grilles painted/chromed but are sold as unpainted(if these finishes are not acceptable by the customer, they may wish to re-paint them if necessary).

All body parts sold by Mars Performance are made to fit as close to factory fitment as possible, but guard liners, air ducts, bottom trays, reinforcement/spacing/filler bar, fog light connections or any other relevant parts may not align due to change of physical style.

Customers should inspect their orders immediately upon delivery, missing/damaged parts/components must be reported within 24 hours* upon delivery, we are not liable for any claim on missing/damaged parts/components beyond this 24-hour window regardless of any postage insurance purchased.

We do not offer any warranty on car body parts and are not responsible for any associated costs regarding labour, or any other expenses incurred or associated with the purchase of part(s).

*Pictures of parts received may be requested for missing part claims; if the claim is against damages, pictures of damaged parts must be presented within 24 hours of the delivery, and delivery time is subject to the courier's tracking information.

'Ready to ship' items are generally dispatched within THREE business days (NOT including weekends or holidays)from cleared payment, not including PRE-SALE ITEMS that we list from time to time.

Request for orders to be dispatched immediately, or less than the advertised THREE business day handling time, will not be accepted.

In rare cases, orders, warranty replacements and special orders may be dispatched from our overseas supplier, we will however notify you of such cases, in these situations, please allow more time for delivery.

Times for delivery will vary by region/country, buyers (the addressees) are liable for all customs duty/tax and charges at the destination region/country.

Mars Performance will use the appropriate transport carrier, at their discretion for orders according to the size, weight and service availability at the time of dispatch.

All orders require a signature on receipt of delivery, we do not take requests for orders to be left at the premises such as 'leave at the door if no one is home' or 'left behind at the back of the house/premises' etc.

Mars Performance is not liable for redelivery fees as a result of:

a) Purchasers not being present at the time of an attempted delivery; or

b) Purchasers' failure to pick up an item from the carrier upon being notified of an unsuccessful delivery attempt by the carrier.

Website store customers will be able to track their orders online with the tracking information provided (via email or in the order history) once orders are dispatched; tracking numbers of eBay orders are uploaded to the relevant eBay orders upon dispatch, and eBay customers can check their order history for tracking their orders.

Where everything is made possible to ensure your delivery is dispatched promptly (currently THREE business days from cleared payment), we are however, not liable for transit delays, issues with couriers, natural disasters etc, that may occur and affect delivery times of your order (which will affect ETA delivery dates).

Mars Performance do not take responsibility for broken or lost items via transit. These incidents can occur but are rare, and we will do everything possible to assist you in the unfortunate event if it does.

When an order is paid via PayPal, the order will only sent to the verified address of the relevant PayPal account.

When an order is submitted and paid for, we can not accept any requests for change of address or product changes, such as colour, swapping for another model etc. In this case, upon the buyer's confirmation, we will refund the order and ask you to re-purchase with the correct address/product that you would like, providing that it is in stock at the time of listing.

Any Products returned for a refund or exchange must be returned within 7 days of purchase.

For any return, you must Email our Mars Performance staff and explain in detail, the reason for the return (attach any pictures if necessary/needed to show the issue/query, via service@marsperformance.com.au).

The next stage (if agreed by us to continue with a return) will be to obtain from us, a Return Merchandise Authority Number (RMA). We will then email your (RMA) number with our return address for the item(s) to be returned (in its original packaging and resaleable condition) with our return conditions.

You should also ensure that the contents are safely packed (as they were originally with original packaging) and/or add any extra packaging you deem necessary to prevent any damage to the product(s) once we receive it. We reserve the right to not refund your order and if necessary return your order to you at your cost for delivery, if we find that your order is returned to us damaged/or not in a (resale-able) condition or WITHOUT an RMA number. We may in some cases offer a partial refund that we deem appropriate depending on the condition of the returned item(s). We will contact you once your return arrives at our Warehouse and advise of any issues, or refund (if applicable).

All returned product(s) are to be posted back to Mars Performance by Australia Post (via regular parcel post with tracking) or depending on the product, a carrier that is suitable for the product you are returning. You MUST contact Mars Performance before any item(s) are returned/posted back to us, so that we may choose an appropriate carrier and service, where Mars Performance is responsible for paying for return postage costs.

For any items that are returned/posted back to Mars Performance without our consent and where the buyer has made their own choice of carrier service, Mars Performance will not be liable to pay the return postage. If the buyer also attempts to return/post any products back to us without any tracking and our consent, and the item is lost/missing during transit, we will not be responsible, and the buyer shall not receive a refund for any such return, regardless for the reason of return.

For any item(s) that are to be returned to us, we STRONGLY advise that they be insured for your protection and peace of mind if any issues should occur with your return. The return shipping cost will be at your expense, (except for orders that have been dispatched incorrectly by us), in these matters, we will bear the costs for the return postage.

We reserve the right to investigate, and test the Products (if at all possible) to establish the reason for the Products being defective. Defective Products will be replaced or refunded within 14 days of delivery of the returned Products. For Products that are deemed not defective or returned due to incorrect ordering by the buyer, if the returned parts are in 'brand new' condition, you will be charged a restocking fee equal to your original order shipping (our cost to post the item(s) to you) & handling cost, plus 15% of that cost. You must include with your exchange/return your Return (RMA) or we will not process your return, we will not issue a refund for orders returned in less than 'brand new' condition.

Products, defective or not, that have been installed, used or operated or have been altered/modified in any way, (including products such as wheels fitted with tyres and not tested for fitment, including products that require painting, which are painted by the buyer, but not tested for fitment purposes before painting, including auto lighting products with altered wires, housings, lenses, bulb holders or caps) subject to misuse are NOT eligible for a refund or exchange.

Regardless of whether a freight charge was paid with the initial order, orders returned by or arranged by the initial freight carrier which were not signed for, not collected in time or incorrect/unaccessible addresses(subject to the Postal Address File/PAF) were left by the buyer are not eligible for free re-deliveries, in this type of cases, the customer can choose to make another payment to cover the re-delivery cost for a re-delivery or receive a refund with the initial freight and associated costs deducted.

The warranty does not cover physical damages, neither structural nor surface, our warranty is generally for built-in features of new aftermarket auto lighting products; free bulbs, car body parts and wheels/rims are not covered by warranty in any way.

Missing/damaged parts/components must be reported within 24 hours* upon the delivery, we are not liable for any claim on missing/damaged parts/components beyond this 24-hour window regardless of any postage insurance purchased.

All new aftermarket auto lighting products are covered with a 12-month limited conditional warranty provided by the manufacturer and apply to all new aftermarket auto lighting products unless otherwise stated at the time in the listing description.

Our liability, under all circumstances, will never exceed the original purchase cost of the part(s). Parts supplied by Mars Performance are intended for installation by qualified and experienced installers. The warranty will be void due to improper installation.

The warranty covers the replacement or repair(by Mars Performance) of the part(s) only, and does not cover any associated costs regarding labour, any other expenses incurred, physical damages or environmental damages.

If a claimed part is repairable or required for assessment to analyse the problem, the faulty/defective part(s) may be required to be returned to Mars Performance, in this case, the buyer will be responsible for any costs associated(labour for removing the part etc...) before the return of claimed part.

If a replacement part is not available or not repairable(to a matching condition of usage or newer) a refund of the original purchase price will be issued.

Extra freight charges for sending replacement parts may apply when buyers move to an address different from the initial order's delivery address.

Extra freight charges for sending replacement parts may apply if the initial purchase is made at a physical store.

Customers outside Australia(and non-Australian-spec models): Customs import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be before bidding/buying from us.

Please note that all items sold by Mars Performance are predominantly for the Australian and New Zealand market only, however, some items are compatible with other countries.

For countries outside of Australia/New Zealand, we do not take responsibility for any of the products we sell that may not function or fit properly, it is the buyer's responsibility to make a careful and calculated decision before purchasing. Due to this, items sold by Mars Performance to buyers in other countries (other than Australia/New Zealand), may or may not be road-legal for their respective country of residence.

*Pictures of parts received may be requested for missing part claims; if the claim is against damages, pictures of damaged parts must be presented within 24 hours of the delivery, and delivery time is subject to the courier's tracking information.