European & Japanese Experts
Shop stories, service tips, and import repair insights from Nelson’s Automotive.
A cleaner home for recent repair stories, maintenance advice, and updates from the Pewaukee shop.

Latest from the shop
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Hyundai Santa Fe ABS brakes false activation at slow speeds
This Hyundai has what we call a cracked exciter ring. The ABS sensor shown at the lower right of the picture reads the square peaks and valleys of the exciter ring as the front drive axle turns and this is how the car determines how fast that particular wheel is traveling. The crack in the…
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Synthetic Oil For Pewaukee Autos
If you aren’t currently using synthetic motor oil in your Pewaukee vehicle, maybe now’s the time to consider it. Need more information? Well, synthetic motor oil is a substitute for petroleum based oil. Synthetic oil doesn’t gel or gum-up like petroleum based oil and it doesn’t vaporize as easily. It protects better in severe driving…
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Are There Blind Spots In Pewaukee WI?
Everyone in Pewaukee WI has blind spots – and no, I’m not talking about the fact that you really don’t sing like Jessica Simpson. I mean the areas of the road that you can’t see when you’re driving around Pewaukee. First let’s talk about our own blinds spots, and then we can talk about others……
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Mercedes GL450 Won’t Shift Sometimes.
The transmission in this GL, some ML’s and many other Mercedes vehicles have problems with one of the sensors failing intermittently and causing the transmission to not shift. This plate is located above the Valve Body inside the transmission and houses not just the main transmission speed sensors but also the shift solenoids and…
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Nelsons Automotive of Pewaukee: Why Replace Your Engine Air Filter?
Your browser does not support video Just as our bodies need clean air to function properly, your Sedan engine needs clean air to operate efficiently. Let’s go egghead for a minute. For every gallon of gas we burn driving on WI freeways, twenty pounds of carbon dioxide comes out the tailpipe. Question: how can a…
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Software Update fixes Ghost Misfire 2004 BMW X3
Fix of the week was a new customer that has a very nicely maintained E83 with a very intermittent misfire that would turn on the check engine light. Typically forums are a place with a ton of miss information that will lead you astray such as the overblown (in my opinion) Vanos Seal replacement.…
Service Focus
- European vehicles
- Japanese vehicles
- Diagnostics
- Maintenance
- Repair stories
Recent Posts
- Precision Repair for Your Audi R8: Addressing Oil Pump Drive Shaft O-Ring Leaks at Nelson’s Automotive of Pewaukee
- Nelson’s Automotive of Pewaukee Tackles Timing Chain Actuator Issue on a 2015 Mercedes GL450 with 4.7L Twin-Turbo V8
- Engine Replacement Spotlight: Nelson’s Automotive of Pewaukee Rescues a 2018 Porsche Macan from Catastrophic Engine Failure
- Professional Auto Maintenance at Nelsons Automotive of Pewaukee: Battery Testing
- Nelsons Automotive of Pewaukee Auto Service and Maintenance Videos: Signs of An Alignment Problem