- Description
- Fitment
- Refund Policy
The Goldenwrench Blackline Performance BMW M Car G-Chassis Washer Fluid Cap is a full-replacement billet upgrade designed to address one of the more overlooked details in the M vehicle engine bay. Built as a complete swap for the factory plastic reservoir cap, this unit pairs no-spill seal technology with precision CNC construction — correcting a known OEM seepage issue while delivering a clean, finished appearance consistent with the Blackline Performance product line.
Each cap is machined from T6 aluminum and finished in a race-inspired anodized red, with all branding and logos permanently machined using 3D milling — no adhesive graphics, no decals. The finish is integral to the surface, ensuring it holds up to heat cycling, repeated cleaning, and long-term engine bay exposure. The result is a functional improvement and a visual upgrade in one component.
Installation is entirely tool-free. The billet cap replaces the factory unit directly, threading into the existing reservoir mount and seating cleanly with the integrated seal. The process takes only minutes. Each kit includes the billet washer fluid cap and an Installation Instruction Card.
Product Details
- Full replacement billet washer fluid cap — OEM unit removed entirely
- CNC-machined from T6 aluminum
- Integrated no-spill seal technology to prevent reservoir leakage
- Race-inspired anodized red finish
- 3D-milled branding — no decals or surface treatments
- Tool-free installation, direct OEM fitment
- Kit includes billet cap and Installation Instruction Card
Vehicle Applications
Notes
- This is a full cap replacement, not a cover. Factory cap is removed during installation.
- Designed specifically for BMW G-chassis M vehicles listed above. Does NOT fit G01 X3 F97 X3M / G02 X4 F98 X4M or G05 X5 F95 X5M / G06 X6 F96 X6M
Returns
Our policy lasts 14 days. If 14 days have gone by since your purchase, unfortunately we can’t offer you a refund or exchange. All items are subject to 15% restocking fee from the manufacturer.
To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.
Additional non-returnable items:
Gift cards
Downloadable software products
To complete your return, we require a receipt or proof of purchase.
Please do not send your purchase back to the manufacturer.
There are certain situations where only partial refunds are granted (if applicable)
You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of shipping to you will be deducted from your refund. If your original order qualified for free shipping, the actual cost of shipping the item to you will still be deducted from your refund.
If you would like to start a return please click here
Refunds (if applicable)
Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.
If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within a certain amount of days.
You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of shipping to you will be deducted from your refund. If your original order qualified for free shipping, the actual cost of shipping the item to you will still be deducted from your refund.
Late or missing refunds (if applicable)
If you haven’t received a refund yet, first check your bank account again. Then contact your credit card company, it may take some time before your refund is officially posted. Next contact your bank. There is often some processing time before a refund is posted. If you’ve done all of this and you still have not received your refund yet, please contact us at info@amtuning.ca.
Sale items (if applicable)
Only regular priced items may be refunded, unfortunately sale items cannot be refunded.
Exchanges (if applicable)
To start an exchange, click here
Non-refundable items
The following items are non-refundable and non-returnable once purchased: oils, fuel or oil additives, filters, tuning cables, OBDeleven products, Braum seats, spark plugs, coil packs, and similar consumable, wheel spacers, wheels bolts, license plate brackets, electronic tuning components and any other product subject to discretion of AM Tuning Canada.
Other products from brands such as MHD, Bootmod3, Ecutek, Braum racing, Novitec are also non-refundable and non-returnable.
All sales of these items are final and are subject to the policies and discretion of AM Tuning. By completing a purchase, the customer acknowledges and agrees to these terms.
