Product images and videos are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Air and Fuel› Air Cleaners, Filters, Intakes and Components
Dinan
AIR FILTER F90
SKU: D00G D401-0026
Beginner — under 30 min
Overview
Show original supplier description
Part #: D401-0026
Replacement air filter for Dinan High Flow Carbon Fiber Intake (D760-0049).
Features:
- Deep pleats in multi-layered cotton for increased flow and superior filtration.
- Steel wire mesh providing strength and dent resistance.
- Custom molded ends allowing for optimum filter surface area within the Dinan air box.
F90
Vehicle Symptoms
- reluctant acceleration when merging on highway
- noticing turbo lag below 3000 rpm
- engine feels restricted after cold start
- top end power drops off after 120 mph
- throttle response feels dull and unresponsive
Relevant Conversations
- Dinan M5 F90 ECU tune review
- M5 F90 tune vs JB4 which is better
- how to install Dinan ECU tune on M5
- M5 F90 check engine light after tune issues
- best ECU tune for BMW M5 2020
- Dinan D401-0026 tuning module
- M5 F90 performance chip install time
- BMW M5 tune before and after dyno results
- Dinan M5 F90 vs RaceChip comparison
- M5 F90 ECU tune throttle response improvement
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Available on iOS & Android
Specifications
| Brand | Dinan |
| Part Number | D00G D401-0026 |
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About MOTORMIA
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Returns & Fitment
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.
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