BMW E36 325i Performance Chip Installation AND EWS Delete HD

So I’ve heard a lot about using these cheap performance chips from sites so I’ve decided to try one out myself! Performance chip search: http://rover.ebay.com/rover/1/711-53200-19255-0/1?ff3=4&pub=5575408864&toolid=10001&campid=5338580648&customid=&mpre=https%3A%2F%2Frover.ebay.com%2Frover%2F0%2F0%2F0%3Fmpre%3Dhttps%253A%252F%252Fwww.ebay.com%252Fulk%252Fitm%252F263731292486 Other tools and parts: Code reader - https://amzn.to/2KGc7kB Header exhaust - https://amzn.to/2HbcL7l Best Torx/socket Driver Kit - https://amzn.to/2TNjcml