When a single worn part costs $154.99 and a replacement device costs many times that, the answer is usually a part swap — but not always. This guide gives the decision criteria, using the parts listed for DRL Turn Signal Module For BMW M3 M4 F80 F82 F83 F36 LCI 18- (12 variants) as the working example.
DRL Turn Signal Module For BMW M3 M4 F80 F82 F83 F36 LCI 18-: Compatibility
The compatibility string on the listing names DRL Turn Signal Module For BMW M3 M4 F80 F82 F83 F36 LCI 18- verbatim. Closely named models in the same family are the main source of wrong orders, so read the model printed on your device (usually on a sticker or in the device's app/settings page) and match it character for character — "Pro", "Plus", "Ultra", "XL" and revision suffixes all matter.
Variants and Pricing
12 variants are listed, $154.99–$1250.99. Smaller packs suit a single device on a normal replacement cycle; larger packs suit multi-device households or topping up.
| Variant | Price (USD) |
|---|---|
| Full Set 3pcs Left | 655.99 |
| Full Set 4pcs | 478.99 |
| Full Set 6pcs | 1250.99 |
| Ballast 63117492028 | 435.99 |
| Ballast 63118494844 | 435.99 |
| Turn Signal Right | 165.99 |
| Turn Signal Left | 165.99 |
| DRL Right | 154.99 |
| DRL Left | 154.99 |
| Turn Signal 2pcs | 291.99 |
| DRL Set 2pcs | 226.99 |
| Full Set 3pcs Right | 655.99 |
Prices are as listed at the time of writing; the product page is authoritative.
Who This Is For — and Who Should Skip It
Skip part replacement when multiple subsystems fail together or when the failed part's price approaches half of a new unit — the remaining wear on other components tips the math toward replacement.
Before You Order
- Match the model on your device to the listing's compatibility string, character for character.
- Pick the variant that matches how many devices you run.
- Orders over $55.99 ship free worldwide; 30-day returns and a 12-month warranty apply.
- Fitment questions: support@techparts.store replies within one business day, Mon–Sat 9:00–18:00 GMT+8.
FAQ
Does one variant fit every listed model?
The compatibility string covers the models named on the listing. Variants differ in quantity or configuration, not in fit — check the variant table above for what each option includes.
What if my model is not in the compatibility string?
Then this listing is not a verified match. Check the product page for the full fitment list, or email support@techparts.store with your model before ordering.
Full variant list and current prices: DRL Turn Signal Module For BMW M3 M4 F80 F82 F83 F36 LCI 18-20 Adaptiv.