Category Archives: Case Studies

BMW Case Study 28 – BMW 5 Series With Engine Oil Disappearing Issue

BMW CS 28 – BMW 5 Series With Engine Oil Disappearing Issue. This case study is about Mr.Chong, the sole owner of the BMW E60 – 5 Series. “…Revol Carz Garage is by far the best car garage that I have encounter for car repair. They have solved my engine oil disappearing issue with the […]

BMW Case Study 27: BMW E60 High Engine Oil Fixed In A Day

“…I have been a car owner for many years and have been to lots of car repair workshops. After visiting Revol Carz Garage for my car repair needs, they simply changed my typical view of a car workshop.Normally I would be faced by workshop owners or manager or even mechanic with an attitude and highly […]

BMW Case Study 26: BMW E90 High Engine Oil Consumption

“…I had been stressed by the high engine oil consumption for a long time. My previous workshop advised that engine top overhaul was the only solution to the issue.I called Gavin of Revol Carz Garage to seek his advice and quotation. He advised me to send in my car to confirm the issue first. I […]

BMW Case Study 25: 520i EKPM Fuel Pump Control Module issue

A BMW 520i showed up being towed to Revol Carz Garage for not able to start. We take holistic diagnosis of the issue and confirm it is the EKPM (Fuel Control Pump Module) failure.The valve cover gasket is being checked for leaks.Some leakage occurred on the valve cover gasket.The new set of valve cover gasket […]

BMW Case Study 24: BMW 7 Series Self-Levelling Air Suspension Replaced

BMW CS24 – BMW 7 Series Replacement of Self-Levelling Air Suspension. This feature ensures the vehicle offers a consistent height and maximum comfort ride.Air suspensions, however, are subjected to wear and tear over the years. Some car owners may experience tilting or uneven level when the car is parked. Some totally worn out air suspension […]

BMW Case Study 23: BMW 320i Gearbox issue. Resolved In A Day

The BMW had to be towed to our workshop as its automatic gears were failed to engage. The transmission fault code is displayed. Replacement of the auto transmission sensor includes replacing the auto transmission fluid and filter. Resolving the gearbox issue promptly within the same day is as exhilarating for us as for the customer.

BMW Case Study 22: BMW X5 Damaged Circuit Board Modules

A BMW X5 arrived at Revol Carz Garage. The vehicle is lifted for repair works followed by thorough safety inspection. The inexperienced technician from other workshop failed to place back the protective cover properly. The carelessness caused rain water to seep in and damaged vital electronic components. Rain water flooded the battery compartment causing severe […]

BMW Case Study 21: Faulty Air conditioning – cooling coil replaced

BMW CS 21: Faulty Air conditioning – cooling coil replaced. A BMW X3 came to our workshop with air conditioning problems. A faulty car air conditioner can be difficult to diagnose and repair. BMW CS 21: We lifted the BMW X3 to carry out a routine undercarriage safety inspection and preventive maintenance also. Minor leaks […]

BMW Case Study 20: BMW 730 Total Gearbox Overhaul In A Day

A BMW 730i arrives at Revol Carz Garage for a total gearbox overhaul. The car is lifted for 360 degree undercarriage safety inspection. The total gearbox is systematically dismantled from the car. Extensive cleaning works begins This is how the ultra-cleaned interior of the gearbox looks after careful cleaning. Here is another section of the […]

BMW Case Study 19: Mechatronics Overhaul of BMW 520i

A BMW 520i arrives at Revol Carz Garage with mechatronics failures. The car is lifted to access the mechatronics in the transmission box. As the car left not many months to go we are confident to replace the just the mechatronic instead together of the valve body. Mechatronics overhauling works in progress. Old and new […]

BMW Case Study 18: Transmission Fault Code- Mechatronic Replacement

Royton sent his BMW 740i to our workshop with a transmission fault code. Transmission fault code appearing on iDrive. Our BMW specialist team swiftly proceed to beings works of the Mechatronic replacement. This is the BMW and the old mechatronic if you have not seen it before. Can see the difference between the new and […]

BMW Case Study 17: BMW 640i Timing Gear Replacement

Mr. Alan’s BMW 640i is having a misfiring visited our workshop. After checking, our experience BMW specialist confirmed the timing gear screw is having issue and work begin swiftly. As expected the aluminum screw from the timing gear have broken and hence explain the misfiring due to irregular engine timing. The new version however have […]

BMW Case Study 16: BMW 520i auto transmission fluid replaced

Mr. Boo’s BMW 520i come to our workshop for car servicing and auto transmission fluid replacement. When reaches a higher mileage it is not a bad idea to replace the Engine Oil Cooler as a preventive measure. It is the mechatronic aka BMW gear control unit if you have not seen it before. The auto […]

BMW Case Study 15: White smoke on the rear issue, fixed!

Mr. Su visited us for car servicing and also mention seeing lots of white smoke appearing in the rear. We fixed it! With years of experience we narrow down and checked the oil separator which indeed is the culprit for the white smoke. The new oil separator replacement. Rear brake disc replacement is needed too. […]

BMW Case Study 14: Replaced Anti-roll Bar and Front Absorber

Jackson’s car came to our workshop with unusual sound coming in the front. We detected front absorber was losing pressure from the oil leakage. And after a careful inspection due to the prolong uneven drive the anti-roll bar also need to be replaced in order to ensure no more sound in the front. The new […]