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Description
BMW Misfire N54 Engine MSD80 DME Repair & MOSFET Upgrade Kit - Fix Engine FaultsRepair and improvement kit for BMW Siemens DME MSD80 MSD81 injection computer: OEM IRF W644B transistors. This ECU is used in many BMW 2006 2013 vehicles with N54 or N54T 6 cylinder turbo engine. The DME MSD80 MSD81 computer is fitted to the following vehicles: BMW 135i 2007 2013 (E82) BMW 335i 2007 2008 (E90) BMW 335xi 2007 2008 (E91) BMW 335i 2007 2010 (E92) BMW 335i 2007 2010 (E93) BMW 535i and 535xi (E60) 2009 2010 BMW Z4 35i 2009 2016 (E89)
Repair and improvement kit for BMW Siemens DME MSD80 / MSD81 injection computer: OEM IRF W644B transistors.
This ECU is used in many BMW 2006-2013 vehicles with N54 or N54T 6 cylinder turbo engine.
The DME MSD80 / MSD81 computer is fitted to the following vehicles:
BMW 135i 2007-2013 (E82)
BMW 335i 2007-2008 (E90)
BMW 335xi 2007-2008 (E91)
BMW 335i 2007-2010 (E92)
BMW 335i 2007-2010 (E93)
BMW 535i and 535xi (E60) 2009-2010
BMW Z4 35i 2009-2016 (E89)
Typical fault symptoms:
Supply problem of one or more injectors
Intermittent starting problem
Engine runs on certain cylinders only
Vehicle does not start
Fault codes indicated by the diagnostic case:
30BA - DME Digital Motor Electronics, Internal Fault
30BB - DME Digital Motor Electronics, Internal Fault
29D0 - Cylinder 4 Misfire
29D1 - Cylinder 5 Misfire
29D2 - Cylinder 6 Misfire
29CD - Cylinder 1 Misfire
29CE - Cylinder 2 Misfire
29CF - Cylinder 3 Misfire
29CC - Multiple cylinder misfire
29D9 - Misfire with low fuel level
All of these symptoms most likely mean that the MOSFET transistors located in your vehicle's injection computer module are faulty.
Using our repair kit, you can permanently repair the Siemens MSD80 / MSD81 injection computer yourself at a lower cost.
The Siemens DME MSD80 / MSD81 BMW ECU repair kit includes:
OEM IRF W644B transistors
Please note that all 6 original W644B transistors, even if they are in good condition, must be replaced with new transistors.
Part Numbers: 7546141 7550014 7565859 7565860 7567229 7567232 7567491 7567492 7567542 7567543 7568370 7568371 7568842 7568843 7569978 7569979 7571468 7571469 7572063 7572064 7572067 7572068 7573796 7573797 7573863 7573864 7574534 7574535 7575875 7575876 7576719 7576720 7576721 7576722 7578020 7578021 7578441 7578442 7583332 7583333 7586938 7586939 7586940 7586954 7588620 7588621 7594305 7594306 7595235 7595236 7596017 7596018 7611396 7611397
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4.2 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 5
Endless Fun and Excitement: Outward Hound Squeaker Ballz Fetch Dog Toy Review
Color: Multi Squeaker Balls, Size: Medium, Style: 4-Pack
f you're searching for the ultimate entertainment solution for your furry friend, look no further than the Outward Hound Squeaker Ballz Fetch Dog Toy. As a proud dog owner, I can attest to the sheer joy and excitement that these toys bring to our canine companions. Here's why the Outward Hound Squeaker Ballz Fetch Dog Toy deserves all the praise:
Irresistible Squeaky Fun: The Outward Hound Squeaker Ballz are an absolute delight for dogs of all shapes and sizes. Each ball features an attention-grabbing squeaker that ignites your pup's natural instincts for play and exploration. The squeaky sound adds an extra layer of excitement to fetch games, encouraging hours of active and engaging playtime.
Durable Construction: Made from high-quality, durable materials, the Outward Hound Squeaker Ballz are built to withstand the rigors of enthusiastic play. Whether your dog loves to chase, fetch, or chew, these toys hold up remarkably well against rough handling and gnawing, ensuring long-lasting enjoyment and entertainment for your furry friend.
Versatile Play Options: With a convenient pack of four medium-sized balls, the Outward Hound Squeaker Ballz offer endless opportunities for interactive play and bonding with your dog. Whether you're playing indoors or outdoors, these versatile toys provide a fun and engaging outlet for your dog's energy, helping to promote physical activity and mental stimulation.
Bright and Colorful Design: The vibrant colors and eye-catching design of the Outward Hound Squeaker Ballz make them easy to spot and retrieve during outdoor play sessions. Their bright hues add an element of excitement to fetch games, keeping your dog entertained and focused on the task at hand.
Safe and Non-Toxic: As responsible pet owners, we prioritize the safety and well-being of our furry companions. The Outward Hound Squeaker Ballz are crafted from pet-safe materials that are free from harmful chemicals and toxins, providing peace of mind knowing that your dog is playing with a safe and non-toxic toy.
Affordable and Value-Packed: With four balls included in each pack, the Outward Hound Squeaker Ballz offer exceptional value for the price. You can keep multiple balls on hand for backup or share them with fellow dog owners, spreading the joy and excitement of playtime to canine friends everywhere.
In conclusion, the Outward Hound Squeaker Ballz Fetch Dog Toy is a must-have addition to any dog owner's collection of pet supplies. With their irresistible squeaky fun, durable construction, versatile play options, bright and colorful design, safety features, and unbeatable value, these toys bring endless joy and entertainment to dogs of all ages and breeds. Treat your furry friend to the ultimate playtime experience with Outward Hound Squeaker Ballz Fetch Dog Toy - you won't be disappointed!
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Reviewed in the United States on February 27, 2024
★★★★★ 5
Fun solid ball
Style: Recharges, Size: Medium, Style: Recharges, Size: Medium
Great squeaky balls! Glow doesn’t last for a long time, but they go far in the Chuck it. Solid ball, my dog doesn’t seem to destroy them.
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Reviewed in the United States on February 11, 2026
★★★★★ 5
Great ball!
Style: Recharges, Size: Medium
The dog loves chasing it! Walks around sqeeking it all the time. And bonus, I can see it in the middle of the floor when I get up in the middle of the night so I won't unknowing step on it.
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Reviewed in the United States on May 5, 2026
★★★★★ 5
Lil boy's favorite ball
Style: Recharges, Size: Medium
The squeak gets my little boy every time. The glow factor is under par. I mainly get it because he also enjoys the brighter colors. All of the others be trying to get his ball. Good product just wish it would glow better because our park times are right around sunset.
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Reviewed in the United States on January 20, 2026
★★★★★ 5
Chuck it!
Style: Recharges, Size: Medium
My Golden Doodle absolutely loves this ball. His new favorite!
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Reviewed in the United States on April 17, 2026