1998 BMW Z3
Key Replacement - Save vs Dealer in Ventura County
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1998 BMW Z3
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BMW Z3 Key: Mobile vs Dealer Visit
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1998 BMW Z3 Transponder Key Replacement - Fast, Affordable & Professional
Over near High Street in Moorpark, a Z3 owner had the classic single-key story. Bought the car used years ago, got one key in the deal, never got around to a spare.
The key still turned the ignition, but the plastic bow had split lengthwise and was held together with electrical tape. He said it had been like that for months. Then one morning the car cranked and wouldn't start. No check engine light, just a long crank and nothing. He thought fuel pump.
I pulled the taped-up key apart on his driveway. The PCF7935 glass transponder was still in one piece, just barely seated in the cracked housing. When the bow flexed, the chip shifted far enough from the ring antenna that the EWS2 couldn't get a clean read. That's all it takes on these older fixed-code systems. A millimeter of movement and the immobilizer kills spark and fuel.
I read the chip data with my VVDI2, confirmed it matched the EWS2 module behind the glovebox, and cut two fresh HU58 blades by decoding his driver door. Transferred a cloned PCF7935 into each new key head, tested both against the ring antenna, and watched the car fire on the first crank each time.
He went from one broken key wrapped in tape to two solid copies. The whole thing took about 40 minutes. He kept the old key as a backup, tape and all.
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BMW Z3 Rapid Response, Done Right
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Reviews From Happy BMW Customers
Mobile service that comes to you
“A+ service at an even better price. Tim was a lifesaver. I lost my original and only key for my Audi and he was willing to come to my location at 8pm the same day. He worked fast, communicated clearly, and made sure everything worked before leaving.”
“I called over 40 locksmiths trying to get a key made for my Audi A6 and nobody could do it. Tim made it easy, fast, and affordable. He showed up with a smile and got the job done without any stress. Absolute wizard with keys.”
“My Chevy key snapped while I was running errands in North Oxnard. He removed the broken piece from the ignition, cut a new blade, programmed the transponder, and tested everything thoroughly. The whole job was smooth and professional. Best automotive locksmith I have used.”
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