![]() ![]() The sloppy hydraulic OEM motor mounts and soft rubber trans mounts allow the engines in BMWs to move around a lot. Yes, that's what we have determined after 15+ years of futzing with dozens of our own and hundreds of customers' Bimmers. Why do these parts only last 50K miles? Its the motor mounts. It was always on a car we neglected to follow the 50K mile cooling system replacement rule. I've never done that, but we have run into several BMWs we have owned in the past that "sprung a leak". What can happen? Some plastic piece usually cracks, you spring a leak, and - if you are not paying attention - you run the car out of coolant, overheat the engine, warp the head, and ruin the engine. I refused to risk another event and running at a max 5000 rpm because we had the stock engine balancer and no oil system upgrades.ĬOOLING SYSTEM UPGRADES - Modern BMWs are known for fragile cooling systems that have to be replaced every 50,000 miles, "or else". Just too damned busy get to the required updates this car needed before we could race it again. It pained me to miss three NASA Texas weekends, including the May NOLA, June Hallett and another MSR-H event. Once again it went too long so I will cover the return of this car to NASA TTD competition (above) at the Fall 2016 NASA event at Texas World Speedway next time.Īfter the April 2016 NASA event we were super busy at the Vorshlag shop and our 330 build got kicked into the corner. This second half of the update shows what we did to the red '01 330Ci Coupe over the Summer of 2016, which was a lot of little things that added up to some big improvements in performance. Project Update for November 12th, 2016: My last update got a little bloated so I wanted to break it up into two parts. ![]()
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