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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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4.0 ★★★★★
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Product Reviews
★★★★★ 5
Perfect for sensory sensitive kids and for the pure beauty of it
Size: 2' x 6' (Natural), Color: Natural (Yellow Undertones), Size: 2' x 6' (Natural), Color: Natural (Yellow Undertones)
After speaking over the phone with the seller, I was confident in this purchase for my SPD son. They do not use harsh chemicals or dyes in the process. It is from New Zealand and the only use in Vietnam is for shipping. My son hasn't been diagnosed yet for Autism but he is in the process. He is super sensitive to all things sensory and Amazon feedback isn't the place to give specific details on his condition but I will write that when he fist touched it- which was willingly- he smiled and asked to sleep on it. When he laid down on it and I covered him- he was calm and smiling. In the pic I provided he is calm and holding his door (his obsession is doors and windows). He even set his door down to hold the fur. For other mommies and papas with spd/autistic kids you know that willingly touching a new fabric and setting down an obsessive item is huge and super encouraging!
I am so grateful to have such a quality item that is affordable for my special needs son. His older sister received one as well as is now pretending to be a sheep. Fun for everyone!
The ONLY negative is that the brand/info sticker on the pelt was a pain to get off and pulled some of the felt - not damaging it but blemishing the unity -but if the skin is down it will not be noticeable.
A super fun detail is that all of the fur is combed out but there were a few strands that were wavy and had a slight curl- I LOVED that.
There was no odor at all which is great! I expected an animal smell which is better than chlorine or dioxin which is what competitors use in their process.
There is no noticeable seam in the middle on the top where the two pelts are gathered.
I am soooo satisfied!
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Reviewed in the United States on February 13, 2016
★★★★★ 5
Exactly as described and what I needed.
Size: 2' x 6' (Natural), Color: Wolf Tipped
I have a bad back along with other medical problems. I bought this for padding in my wheelchair. Very thick, soft, flexible, everything I needed. No smell and very little shedding even initially. Arrived quickly and well packaged.
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Reviewed in the United States on January 24, 2026
★★★★★ 5
High quality sheepskin!!
Color: Natural (Yellow-white Ivory), Size: 2' x 3' (Natural), Color: Natural (Yellow-white Ivory), Size: 2' x 3' (Natural)
This sheepskin was purchased as a "chair cover" for my pets. It arrived with very nice packaging, along with detailed care instructions. The sheepskin was advertised as being"not white" online, and the company made very sure to state that the fur has an "off white/yellow" color. That was a little concerning for me, and I wasn't really sure whether it would have an off color, but it arrived exactly as described. There were no obvious discolorations, spots, or blemishes. In fact, it arrived as a soft "off white" color that is very beautiful and exquisite. The fur has a plush, even look, and there is no matting or fuzzy, "neglected teddy bear look" at all!
I actually purchased another brand to see if I could distinguish the difference between the two. This particular sheepskin is by far the better of the two purchases.
FYI: When the package was opened, there was no distinct odor. That's a huge plus!
I will admit that the size was slightly smaller than expected. It really doesn't matter much in the space I'm using it for though. My miniature Dachshund loves it!
If you're trying to find a high quality sheepskin, and you don't need to cover a very large space, this is definitely the one to buy!
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Reviewed in the United States on January 12, 2024
★★★★★ 5
The Quality of the sheepskin is awesome.
Color: Wolf Tip, Size: 2' x 3' (Natural)
This rug is a beautiful specimen of New Zealand sheep. The rug is very very soft, the rug is thick, and the brown tips are fabulous looking. All in all I'm very pleased with this purchase. The size is perfect as it measures 2' x 3'. I would buy again from this seller.
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Reviewed in the United States on July 23, 2025
★★★★★ 5
The softness and color
Color: Umber, Size: 2' x 3' (Natural)
Perfect decor for living room and bedroom
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Reviewed in the United States on February 21, 2026