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Old 08-02-2012, 03:43 AM
Stealth 335d Stealth 335d is offline
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Location: Florida
Join Date: Jul 2012
Posts: 4
Mein Auto: 335d
Anti Theft vs Alarm question

Hey all,

A noobie here with a question. Apparently my 2011 335d does not have an alarm system. Pressing the panic button on the remote does nothing. Please tell me the car does have some kind of anti theft protection even without an alarm? I do see a light lit up down near the gear selector (maybe near the P for park ?) which I hope signals that anti theft is active? Someone please relieve my stress. I'm not driving around with a "steal me" sign am I? Thanks in advance.
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Old 08-02-2012, 06:59 AM
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floydarogers floydarogers is offline
Pedant and Curmudgeon
Location: Renton, WA
Join Date: Oct 2010
Posts: 5,455
Mein Auto: 335d, 328d, Toyota T100
All BMWs for the last 12-15 years have had anti-theft. The key includes a rfid chip that is coded to the car's ignition; the car won't start without it.

Alarms are junk; all they do is annoy your neighbor.
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Old 08-02-2012, 08:42 AM
Stealth 335d Stealth 335d is offline
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Location: Florida
Join Date: Jul 2012
Posts: 4
Mein Auto: 335d
Thanks for the info floydarogers. I assumed the 335 had theft protection but was not positive. I can rest a little easier now. Thanks again.
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Old 08-03-2012, 09:51 AM
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Flyingman Flyingman is offline
hang up and drive!
Location: Miami
Join Date: Sep 2009
Posts: 2,749
Mein Auto: 335d
This is what I just had installed.

Or my personal favorite when I park at the airport! You can move this one to different cars you may have.

2016 Black 328D Sports Line/Premium, CPO (20k miles), Pirelli RFTs
2010 Black 335D Sport/Premium, Michelin PSS 235/265 (120k Club, now RET!)
2000 Silver Z3 3.0i (Ret)
1999 Silver R1200C (Ret)
1968 Black 1600 Coupe (Ret)

Last edited by Flyingman; 08-03-2012 at 09:54 AM.
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Old 08-07-2012, 03:03 PM
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BB_cuda BB_cuda is offline
Officially Welcomed to the 'Fest
Location: Clear Lake, Texas
Join Date: Nov 2011
Posts: 959
Mein Auto: 2011 335D Msport
If your car was built before a certain production date, the car is prewired and installing the sensors, motion detector and siren is not a big deal. Snipe did because his is a 2009. My car has a build date of Nov 2010 and it came with the alarm as part of convenience package. My car would not have been prewired had it not come factory equipped. During my vehicle search, I came across another unit that did not have the alarm. I kept searching until i found one that did. The first unit was built in May 2010. I want to say the cut off was a build date after March 2009 but this needs to be verified for those of you that have considered doing this. Without prewiring in the vehicle, installing the alarm kit means heavy disassembly to the point of not doing it IMHO.

I do tire rotations myself and the first time I did, the alarm was still on. After about three cranks on the scissor jack, it started screaming. Yes, the alarm is an annoyance but it has a tilt sensor, a motion sensor as well as sensors for doors or hood being opened. Yes, this alarm won't stop the car from being stolen but she will sure scream while be hauled away on a flatbed tow truck. I would bet the alarm would deter wheel theft at least.

solo alarm option cost was $500 versus ~$1000 for the convenience package (window shades, comfort assist key fob).
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Old 08-08-2012, 07:32 AM
Lance Alot Lance Alot is offline
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Location: San Francisco
Join Date: Sep 2007
Posts: 375
Mein Auto: 2012 BMW X5 35D

IMO, there is at least some extra deterrence against theft with the alarm.
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