Start with an injector rebuild with higher flow nozzles. Doesn't really require a ECU tune for it. But, then you can get an ECU tune for it.
Pros: higher flow nozzles
Reviews of BOSION parts For Business
Average Rating
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The manufacturer's average rating is calculated based on ratings of all its spare parts. It determines the place in the manufacturer ranking
4.5
Manufacturer Ranking
-
2
Spare Parts
1
Country
China
Spare Parts
Bosio PP520's from Kerma, with the requisite red 'I' front and back! ... should be standard equipment on this car.
Pros: should be standard equipment
Vehicle:
Volkswagen
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Owner reviews of BOSION products
The BOSION brand is registered in China. Official website is not specified yet.
In March 2026, PartReview recorded 2 reviews across 1 part by BOSION. Average rating — 4.5 out of 5.
BOSION is not yet in the PartReview manufacturers ranking due to insufficient reviews.
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- Fuel injector BOSION - 2 reviews. PR Score — not available yet, average rating — 4.5.
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