![]() We use OEM BMW parts and state-of-the-art diagnostic equipment. From there we will provide an accurate BMW transmission service plan and estimate.Come to Owen Chester Enterprises Inc for state-of-the-art BMW repair and maintenance services near you, including these top BMW makes and modelsīoth, proper repair and regular maintenance are essential to getting the most out of your BMW driving experience. Contact Precision Transmission Center of Daytona Beach today to schedule your BMW transmission repair. The first step to a high-quality BMW transmission repair is the correct diagnosis. Don´t trust your high-quality BMW automobile to shops that can ruin it with incorrect diagnoses and inferior craftsmanship. We will get your vehicle back on the road with a new life expectancy equal to or greater than the original OEM specifications. It is very time-consuming and expensive to remove and replace BMW transmissions only to find the condition of the replacement is as bad, or worse than the original.Īt Precision Transmission Center of Daytona Beach worn and damaged parts are replaced with brand new BMW OEM components that are guaranteed to last and keep your vehicle genuine. Experts in BMW Transmission Repairįor these reasons, the Precision Transmission Center of Daytona Beach does not recommend installing used transmissions in a BMW because the closer to 100,000 miles they are, the more prone to failure they become. It is imperative that a high quality re-manufactured torque converter be installed with every transmission overhaul. For this reason, “rebuilt” transmissions often fail within a short period of time. Many torque converter companies do not have the correct equipment or training to address the lockup piston during the rebuilding process. The lockup piston is a vital part of the torque converter operation and requires special tooling and machining to recondition during the rebuilding process. While cruising at higher speeds, such a freeway driving, the lockup setting of the torque converter reduces cooler flow (the amount of transmission fluid circulating) because fewer internal components are actively operating which decreases fuel demand. The torque converter has a lockup (also known as a captive) piston inside designed to increase fuel efficiency. Even identical solenoids with the same part number can have different flow rates, which will affect the performance and interchangeability of parts in the transmission. The mechatronic unit is matched to all computer systems in the vehicle and is very sensitive with an ability to learn the flow rates of each solenoid. The Internal Transmission Mechatronic (TCM) unit is one of the major differences between the earlier and later ZF transmissions. ![]() The internal transmission control module along with solenoids is called the mechatronic unit and is connected to the valve body. Beginning in 2004 transmissions had up to 6 speeds with the transmission control module inside the transmission. Prior to 2004 the automatic transmissions had up to 5 speeds and the transmission control module was a stand-alone unit external to the transmission. The most recent models are 9 speed which gives a larger range of engine power and fuel efficiency. ![]() Most of the automatic transmissions in BMW are manufactured by ZF Industries. A dedicated computer system with proprietary software from the manufacturer is required to program and update the system. The system is very complex in the operation and programming procedures. The SMG works like a traditional manual transmission except the computer uses a hydraulic pump motor to operate the clutch and shifter. Unlike the DCT there is only one main input shaft that the gears ride on. The SMG is not a dual-clutch transmission. The Sequential Manual Gearbox (SMG) is similar to the DCT but there are major differences in the design and operation.
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