BMW 135i Ignition Switch Parts
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The average cost of a BMW 135i ignition switch is between $33.99 and $33.99.
What Are Common Symptoms Of A Bad BMW 135i Ignition Switch?
If your BMW 135i ignition switch is on its way out, you might notice more than one odd behavior. The car might decide not to start on the first try, or it cranks a couple times then stays silent. Sometimes, nothing at all happens when you twist the key, almost like the car’s ignoring you. Dashboard lights may flicker or stay off unexpectedly, and odd things like power windows or the radio may suddenly stop responding. In some cases, the steering lock won’t disengage, even though you’ve got the right key. Ignoring these symptoms could leave you stranded, so pay attention if your BMW starts acting up in these ways.
How Do You Diagnose Problems With The BMW 135i Ignition Switch?
Start with the basics—make sure your battery is strong and the starter does its job. If those check out, pay close attention as you turn the key. No dash lights? No engine response? All fingers point to a possible ignition switch problem. Get a multimeter and try testing the switch for continuity in each position, looking for a break. Sometimes just wiggling the key while attempting to start the car gives you a clue. Still stuck? Don’t be afraid to bring in a technician, since modern ignition systems can get tricky fast.
Can You Replace A BMW 135i Ignition Switch Yourself?
Some people like to take matters into their own hands when it comes to a busted BMW 135i ignition switch. If you’re comfortable removing trim and have a set of tools handy, it’s doable—though it isn’t the easiest job. Disconnect the battery before touching anything. Keep in mind, some BMWs use an immobilizer system that may need programming after installation. That part can trip up even seasoned DIYers. If you’re uncertain, or if your car refuses to accept a new switch without dealer intervention, it’s often less stressful to let a pro handle it.
What Is The Average Cost To Replace A BMW 135i Ignition Switch?
The cost to replace a BMW 135i ignition switch can range quite a bit. You might pay $120 for the part alone, but if you go through a shop, total costs can climb to $500 or more after labor and programming fees. Dealer prices usually run highest, while local mechanics could save you a chunk of change. Remember to ask for a written quote before agreeing to anything, since reprogramming adds another layer of cost.
Will Replacing The Ignition Switch Fix All Starting Issues On A BMW 135i?
Swapping out the ignition switch might clear up some no-start headaches, but it won’t solve everything. There are plenty of things that can keep a BMW 135i from firing up—old batteries, worn starters, or even a bad immobilizer unit. If the problem hangs around after a new switch goes in, there’s more digging to do. Make sure to track down the right culprit before spending too much time or cash.
Looking For An Affordable BMW 135i Ignition Switch?
AutohausAZ helps you get your BMW 135i back on the road without emptying your wallet. We offer solid prices and quick shipping on genuine ignition switches. Need to return something or change your order? No hassle, no headaches. We know a reliable car—and an easy parts order—matters to you. That’s what we aim for every single time.

