Audison AP H ASD Bypass Plug & Play BMW Harness for MOST HK 674 OEM Amplifiers
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The Audison AP H ASD Bypass is a plug-and-play BMW wiring harness that bypasses the ASD (engine sound) module, routing ASD inputs and iDrive outputs directly into HiFi or Harman Kardon 674 OEM amplifier inputs. It is part of the Audison integration harness range.
Key specifications
- Vehicle compatibility: BMW with ASD module
- Supported OEM amplifiers: HiFi, Harman Kardon 674, MOST and digital HK
- Function: routes ASD inputs and iDrive outputs to OEM amplifier inputs
- MOST / digital HK amplifiers: disables the ASD module signal output entirely
- Installation: plug and play, no wiring cuts required
ASD Engine Noise Bypass Harness
A plug-and-play solution that removes unwanted engine noise from your BMW's audio system without cutting any wiring. This harness takes the ASD module inputs and iDrive outputs and routes them directly into the HiFi or HK (674) OEM amplifier inputs. For MOST and digital HK OEM amplifiers, it disables the ASD module signal output entirely.
Explore the full range in Audison BMW Plug & Play.
Specification
| Type | Wiring |
|---|---|
| Article Number | AP H ASD BYPASS |
| Country of Manufacture | China |
More specs
| |
What's Included
- Audison AP H ASD BYPASS
Audison
About the Audison AP H ASD BYPASS
From our tech experts at CEN
The Audison AP H ASD Bypass is a plug-and-play BMW wiring harness that removes unwanted engine sound from your audio system. It routes ASD module inputs and iDrive outputs directly into HiFi or Harman Kardon 674 OEM amplifier inputs. On MOST and digital HK systems, it disables the ASD module signal output entirely, with no wiring cuts required.
Who it suits
It suits BMW owners who want to eliminate artificial engine noise fed through the ASD module without modifying the factory wiring. It is compatible with BMW HiFi, Harman Kardon 674, MOST, and digital HK OEM amplifiers. Browse related BMW integration harnesses in the Audison collection.
Our tech experts advise
Before ordering, confirm your BMW has an ASD module and identify your OEM amplifier type: HiFi, HK 674, MOST, or digital HK. If your system uses a MOST fibre-optic connection, the Audison bit DMI may also be required. Installation is priced per vehicle; see our Nottingham fitting page for details.
Explore the full Audison range at CEN, with fast UK dispatch and expert advice from our Nottingham team. Shop all Audison
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Frequently Asked Questions
Q: What does the AP H ASD BYPASS do?
A: It removes the ASD engine noise from a BMW's audio system by taking the ASD module inputs and iDrive outputs and routing them directly into the HiFi or HK (674) OEM amplifier inputs. On MOST and digital HK OEM amplifiers it disables the ASD module signal output.
Q: Do I need to cut any wiring?
A: No. It is a plug and play harness, so no factory wiring needs to be cut.
